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Pakistan | Family List | Labiatae

Labiatae-Group-E

Corollas 5 mm long or more; indumentum of simple hairs or absent; leaf margins crenulate to lobed; calyx indistinctly bilabiate or not bilabiate.


Key to Group E

1 Upper lip of corolla very short or absent; nutlets with a prominent oblique or lateral attachment scar   (2)
+ Upper lip of corolla present; nutlets with a basal attachment scar   (3)
       
2 (1) Upper lip of corolla small, bilobed; lower lip 3-lobed   1 Ajuga
+ Upper lip of corolla absent; lower lip 5-lobed   2 Teucrium
       
3 (1) Fruiting calyx with a large broad membranous or scarious limb   (4)
+ Fruiting calyx not with a broad membranous or scarious limb   (5)
       
4 (3) Glabrous annual with crenate to dentate leaves; corolla white, included in calyx [cultivated]   26 Moluccella
+ Glandular pilose perennial with serrate leaves; corolla blue to violet, exserted from calyx [native]   14 Hymenocrater
       
5 (3) Posterior pair of stamens longer than anterior; calyx 15-veined   (6)
+ Posterior pair of stamen shorter than anterior; calyx 5-15 veined   (7)
       
6 (5) Base of calyx teeth with ± prominent swollen folds at sinuses   12 Dracocephalum
+ Base of calyx teeth without swollen folds   9 Nepeta
       
7 (5) Calyx teeth 8-10, equal or unequal   20 Leucas
+ Calyx teeth 5, subequal   (8)
       
8 (7) Stamens ± clearly exserted beyond corolla lobes; staminal filaments densely villous   (9)
+ Stamens not exserted beyond corolla lobes; staminal filaments glabrous, phase or villous   (10)
       
9 (8) Staminal filaments united; posterior pair of thecae unilocular; herb   31 Anisomeles
+ Staminal filaments free, with purple hairs; all thecae 2-locular; shrub   52 Pogostemon
       
10 (8) Thecae, when mature, unilocular   (11)
+ Thecae 2-locular   (13)
       
11 (10) Fruiting calyx transversely ribbed; inflorescence a spike; nutlets apically hairy [Karachi only]   58 Geniosporum
+ Fruiting calyx without transverse ribs; inflorescence not a spike; nutlets apically glabrous [all areas]   (12)
       
12 (11) Fruiting calyx 8-10 mm with 2-3 mm erect subulate teeth; stems with long white spreading eglandular hairs [naturalized in Kashmir]   56 Hyptis
+ Fruiting calyx less than 5 mm with ± obtuse teeth; stems with short hairs or glabrescent [native]   54 Isodon
       
13 (10) Shrubs (Kashmir)   (14)
+ Herbaceous perennials or annuals [all areas]   (15)
       
14 (13) Calyx densely bearded within; calyx lobes oblong - elliptic, apically rounded - acuminate; corolla c. 13 mm long   29 Roylea
+ Calyx glabrous within; calyx lobes triangular, acute; corolla c. 30 mm long   16 Chelonopsis
       
15 (13) Leaves pinnatipartite to pinnatisect; corolla 25-30 mm long   17 Eremostachys
+ Leaves not divided; corolla 20 mm or less   (16)
       
16 (15) Annuals   (17)
+ Perennials   (19)
       
17 (16) Stems with long spreading hispid hairs; bracts subulate-spinose   21 Galeopsis
+ Stems with pilose to vinous hairs; bract not subulate-spinose   (18)
       
18 (17) Cauline leaves amplexicaul; corolla pink - purple   22 Lamium
+ Cauline leaves sessile, not amplexicaul; corolla yellowish   8 Sideritis
       
19 (16) Thecae prominently villous or bearded   (20)
+ Thecae glabrous or with few pilose hairs   (22)
       
20 (19) Leaves reniform-rhomboid; corolla 30-40 mm long; high alpine scree species   23 Alajja
+ Leaves elliptic to broadly ovate; corolla 25 mm long or less; not high alpine scree species   (21)
       
21 (20) Corolla tube clearly exserted from calyx; teeth of calyx ciliate-setulose; corolla white   22 Lamium
+ Corolla tube included within calyx; teeth of calyx not ciliate-setulose; corolla pink to purplish   19 Stachyopsis
       
22 (19) Nutlets sharply triquetrous, apically truncate and pilose; bracts subulate   24 Leonurus
+ Nutlets not or scarcely triquetrous, not truncate; bracts subulate or not   (23)
       
23 (22) Inflorescence a terminal congested ± lanate spike   7 Marrubium
+ Inflorescence not of terminal congested lanate verticilasters   (24)
       
24 (23) Inflorescence of verticillasters borne in axils of upper leaves; flowers shortly pedicellate   30 Stachys
+ Inflorescence of shortly pedunculate cymes, lowermost in upper leaf arils; flowers clearly pedicellate   41 Calamintha

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