| 1 |
Annuals |
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(2) |
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Perennials |
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(9) |
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| 2 (1) |
Leaves bipinnatisect |
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48 Nepeta annua |
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Leaves undivided |
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(3) |
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| 3 (2) |
Inflorescence of clearly separated verticillasters or of lax pedunculate cymes |
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(4) |
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Inflorescence of terminal ovoid heads |
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(7) |
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| 4 (3) |
Verticiilasters borne in axis of leaves or bract-like upper leaves, ± sessile |
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(7) |
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Cymes pedunculate with clearly pedicellate flowers |
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(6) |
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| 5 |
Cauline leaves linear, upper spreading and recurved |
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45 Nepeta satureoides |
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Cauline leaves ovate to elliptic, upper spreading |
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46 Nepeta pungens |
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| 6 (4) |
Calyx c. 4.5 mm; nutlets clearly depressed-tuberculate; peduncles filiform |
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33 Nepeta graciliflora |
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Calyx 3.5-4 mm; nutlets inconspicuously depressed-tuberculate; peduncles not filiform |
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34 Nepeta hindostana |
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| 7 (4) |
Indumentum dense, of long white villous hairs; nutlets verrucose with a long U-V-shaped areole |
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47 Nepeta eriosphaera |
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Indumentum of short hairs; nutlets smooth, shiny, with a small basal areole |
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(8) |
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| 8 (7) |
Leaves linear-elliptic; stems with some papillose glandular hairs |
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44 Nepeta daenensis |
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Leaves ovate to rhombic; stems with only eglandular retrorse hairs |
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43 Nepeta bracteata |
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| 9 (1) |
All cauline leaves sessile, amplexicaul or not, or lowest stem leaves with a short, up to 3 mm petiole |
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(10) |
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At least the lower leaves clearly petiolate with a petiole more than 4 mm |
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(18) |
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| 10 (9) |
Plants with a dense all-over indumentum of long and short capitate glandular hairs |
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(11) |
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Plants not as above, glabrous, eglandular pilose or vinous, or with glandular papillae |
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(12) |
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| 11 (10) |
Leaves deeply serrate-incised |
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2 Nepeta glutinosa |
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Leaves crenate |
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3 Nepeta adenophyta |
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| 12 (10) |
Verticillasters crowded in ails of uppermost, often lilac-blue, leaves |
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14 Nepeta coerulescens |
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Verticillasters forming elongated spikes not as above |
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(13) |
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| 13 (12) |
Leaves pectinate-serrate, narrow or broad elliptic; indumentum of plant ± dense, villous, with or without glandular papillae |
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8 Nepeta elliptica |
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Leaves with entire or finely serrulate margins, linear to linear-elliptic; indumentum sparse or subabsent without glandular papillae |
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(14) |
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| 14 (13) |
Calyx 11-16 mm; corolla 20-25 mm; pedicel up to 12 mm |
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13 Nepeta connata |
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Calyx 10 mm or less; corolla 12-15 mm; pedicel absent to 2 mm |
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(15) |
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| 15 (14) |
Leaves up to 20 mm long; calyx 5-7 mm [Quetta] |
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5 Nepeta podostachys |
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Leaves 20-90 mm long; calyx 6-10 mm [NW Pakistan, Kashmir] |
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(16) |
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| 16 (15) |
Leaves linear 1.5-5 mm wide; root- stock tuberous or fusiform |
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17 Nepeta linearis |
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Leaves linear-lanceolate to linear-elliptic, up to 10 mm wide; rootstock not as above |
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(17) |
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| 17 (16) |
Spike longer and slender than that of N. nervosa, often interrupted near the base; leaves oblong-lanceolate, c. 25-50 x 12-20 mm |
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12 Nepeta campestris |
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Spike shorter than that of N. campestris, congested not interrupted near the base; leaves linear-lanceolate or linear-elliptic, up to 80 x 10
mm |
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11 Nepeta nervosa |
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| 18 (9) |
Calyx with entire upper and lower rounded lobes |
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42 Nepeta suavis |
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Calyx with distinct teeth |
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(19) |
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| 19 (18) |
Stems with an indumentum of distinct numerous stellate-dendroid hairs |
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(20) |
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Stems without or with few indistinct furcate or branched hairs (strong magnification needed) |
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(21) |
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| 20 (19) |
Inflorescence of several ± distant verticillasters borne in axils of leaves or leaf-like bracts; calyx with a dense stellate-dendroid indumentum |
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28 Nepeta leucolaena |
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Inflorescence of mostly solitary terminal ovoid heads; calyx with pilose or villous simple hairs |
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22 Nepeta kokanica |
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| 21 (19) |
Inflorescence of loose pedunculate cymes with clearly pedicellate flowers |
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(22) |
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Inflorescence of ± condensed pedunculate cymes, of distant verticillasters, ovoid heads or spikes |
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(25) |
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| 22 (21) |
Nutlets with a prominent U- or V-shaped areole extending c. 2/3 nutlet length |
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(23) |
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Areole of nutlet c. 1/3 or less the nutlet length |
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(24) |
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| 23 (22) |
Leaves c. 7-10 x 7-10 mm, serrulate; peduncles up to 20 mm [NW Pakistan: Chitral] |
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36 Nepeta brachyantha |
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Leaves up to 25 x 25 mm, crenate-dentate; peduncles up to c. 10 mm [W Pakistan) |
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35 Nepeta sp. Aff. hindostana |
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| 24 (22) |
Calyx c. 4.5 mm; nutlets clearly depressed-tuberculate; peduncles filiform |
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33 Nepeta graciliflora |
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Calyx 3.5-4 mm; nutlets inconspicuously depressed-tuberculate; peduncles not filiform |
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34 Nepeta hindostana |
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| 25 (21) |
Corolla 20-25 mm long |
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(26) |
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Corolla 6-17 mm long |
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(29) |
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| 26 (25) |
Larger leaves 4-11 cm long |
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(27) |
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Larger leaves 15-3 cm long |
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(28) |
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| 27 (26) |
Corolla yellowish, c. 25 mm long |
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18 Nepeta govaniana |
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Corolla mauve to deep violet-blue, 20-25 mm long |
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19 Nepeta erecta |
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| 28 (26) |
Indumentum on inflorescence vinous, with flat eglandular multicellular hairs; stems ± uniformly leafy |
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24 Nepeta glechomifolia |
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Indumentum on inflorescence sparse, of short eglandular or glandular hairs; leaves mostly on lower part of stem |
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38 Nepeta pinetorum |
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| 29 (25) |
Verticillasters ± clearly separated from each other or uppermost loosely con-gested |
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(30) |
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Verticillasters forming ± continuous spikes or ovoid heads, sometimes lowermost verticillasters distant |
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(37) |
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| 30 (29) |
Corolla c. 15 mm or more |
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(31) |
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Corolla less than 10 mm |
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(32) |
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| 31 (30) |
Stems erect-ascending, slender in region of inflorescence; bracts subulate, 2-4 mm |
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38 Nepeta pinetorum |
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Stems erect, ± sturdy throughout; bracts linear 1/2 as long as to as long as calyces |
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20 Nepeta clarkei |
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| 32 (30) |
Inflorescence paniculate |
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(33) |
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Inflorescence unbranched or lower verti-cillasters shortly pedunculate, not panicu-late |
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(34) |
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| 33 (32) |
Basal leaves suborbicular-ovate, white tomentose to lanate; cymes mostly on horizontally spreading peduncles |
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25 Nepeta floccosa |
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Basal and lower leaves triangular-ovate with a greyish indumentum; peduncles not horizontally spreading |
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27 Nepeta cataria |
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| 34 (32) |
Inflorescence of ± globose densely white-lanate-villose verticillasters; stems procumbent-ascending; nutlets with a U-V-shaped areole c. 3/4 length of nutlet |
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37 Nepeta lagopsis |
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Inflorescence not lanate-villose; stems erect; areole c. 1/3 length of nutlet |
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(35) |
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| 35 (34) |
Bracts c. 1/3 length of calyx; calyx often purplish |
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41 Nepeta rugosa |
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Bracts 1/3 to as long as calyx; calyx pale green or straw-coloured |
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(36) |
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| 36 (35) |
Leaves ovate-triangular, ± as long as broad; verticillasters up to c. 15 mm diameter in fruit |
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39 Nepeta praetervisa |
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Leaves oblong to oblong-ovate, longer than broad; verticillasters up to 10 mm in fruit |
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40 Nepeta juncea |
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| 37 (29) |
Rootstock with a distinct tuber 8-20 mm in diameter [leaves green, broad triangular-ovate, 5-20 x 5-15 mm; calyx teeth subequal] |
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4 Nepeta raphanorhiza |
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Rootstock not tuberous |
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(38) |
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| 38 (37) |
Scree plants with scale-like leaves on rootstock |
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(39) |
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Not scree plants; without scalelike leaves on rootstock |
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(40) |
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| 39 (38) |
Leaves cuneate, margins deeply incised with obtuse round lobes; at least some bracts as long as or longer than flowers |
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1 Nepeta longibracteata |
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Leaves cordate, margins crenulate; bracts ± equal to calyces |
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26 Nepeta kurramensis |
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| 40 (38) |
Leaves markedly discolorous or grayish white canescent |
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(41) |
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Leaves ± green on both surfaces |
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(46) |
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| 41 (40) |
Leaves densely adpressed canescent with at least some branched hairs (strong magnification needed) |
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22 Nepeta kokanica |
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Leaves discolorous; all hairs unbranched |
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(42) |
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| 42 (41) |
Nutlets smooth; outer bracts elliptic to obtrullate |
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(43) |
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Nutlets tuberculate; outer bracts ± linear |
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(44) |
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| 43 (42) |
Leaves c. 7-20 x 7-12 mm; corolla c. 12 mm |
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16 Nepeta discolor |
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Leaves up to 30 (-45) x 20 (-30) mm; corolla up to 17 mm |
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15 Nepeta eriostachys |
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| 44 (42) |
Calyx 6.5-8 mm; leaf apices ± acute |
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(45) |
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Calyx 9-10 mm; leaf apices obtuse |
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31 Nepeta schmidii |
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| 45 (44) |
Perennial herb, 30-50 cm, leaves broadly ovate to triangular-ovate, 15-35 x 10-30 mm; inflorescence of numerous sessile or shortly pedunculate, many-flowered congested cymes forming an elongated or short spike interrupted below |
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29 Nepeta griffithii |
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Dwarf suffruticose herb, c. 10 cm high, leaves c. 15 x 18 mm, cordate-reniform; verticillasters condensed into a ± loose head or spike |
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30 Nepeta amicorum |
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| 46 (40) |
Vertillasters crowded in axils of uppermost often lilac-blue leaves; lowermost leaves with a short petiole to 4 mm, all other leaves sessile |
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14 Nepeta coerulescens |
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Verticillasters not as above; lowermost leaves with petioles of 6 mm or more |
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(47) |
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| 47 (46) |
Inflorescence a terminal ovoid head |
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(48) |
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Inflorescence an elongated oblong-cylindrical spike |
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(50) |
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| 48 (47) |
Leaves serrate, acute |
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21 Nepeta paucifolia |
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leaves crenate, apically rounded or obtuse |
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(49) |
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| 49 (48) |
Plants not aromatic, suffruticose, clump-forming, stems 15-30 cm; leaves ± broadly ovate, flabelliform or trullate, indumentum of simple or branched hairs; inflorescence of terminal congested ovoid heads, or sometimes with a distinct lower verticillaster |
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22 Nepeta kokanica |
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Plants aromatic, stem erect, c. 30 cm; leaves triangular-ovate, indumentum of simple hairs; inflorescence of 2-3 con-densed or separated verticillasters |
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23 Nepeta grata |
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| 50 (47) |
Outer bracts at base of spikes ovate-lanceolate, often coloured |
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(51) |
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Outer bracts at base of spikes narrow lanceolate to linear |
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(52) |
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| 51 (50) |
Leaves ± broad-ovate, 12-20 x 10-15 mm, with a rather dense short indumentum of retrorse hairs |
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32 Nepeta distans |
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Leaves triangular-ovate to elliptic, 30-60 x 20-30 mm, usually glabrous to minutely pilose |
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10 Nepeta laevigata |
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| 52 (50) |
Leaf margin serrate to subpectinate |
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7 Nepeta subincisa |
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Leaf margin crenate to crenulate |
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(53) |
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| 53 (52) |
Leaves linear-elliptic to elliptic, rarely with some leaves ternately pinnatisect; clusters of young leaves present in leaf axils |
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9 Nepeta paulsenii |
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Leaves oblong-ovate to oblong-triangular, simple; usually without clusters of young leaves in leaf axils |
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(54) |
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| 54 (53) |
Leaves 10-20 x 8-15 mm, glabrous to pilose; inflorescence ± glabrous |
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5 Nepeta podostachys |
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Leaves 20-40 x 15-25 mm, villous; inflorescence ± white villous |
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6 Nepeta pubescens |
