1 |
Capsules indehiscent, nutlike, 2–3 mm, 1 or 2 seeded [6h.7. sect. Phaeostoma subsect. Heterogaura] |
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41 Clarkia heterandra |
+ |
Capsules loculicidal, 10–70 mm, many-seeded. |
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(2) |
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2 (1) |
Stamens 4; floral tube slender, 13–35 mm; petals conspicuously 3-lobed [6a. sect. Eucharidium]. |
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(3) |
+ |
Stamens 8; floral tube obconic to campanulate or funnelform, 1–10(–15) mm; petals lobed or not. |
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(4) |
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3 (2) |
Petal length 2 times width, lobes ± equal or middle lobe wider |
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1 Clarkia concinna |
+ |
Petal length equal to width, middle lobe longer and much narrower |
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2 Clarkia breweri |
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4 (2) |
Inner anthers sterile; petals with 3 subequal lobes [6b. sect. Clarkia] |
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3 Clarkia pulchella |
+ |
Inner anthers fertile, anthers similar or inner much smaller, paler; petals not 3-lobed. |
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(5) |
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5 (4) |
Inflorescence axis recurved at tip in bud; buds pendent. |
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(6) |
+ |
Inflorescence axis straight or erect; buds erect or pendent. |
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(25) |
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6 (5) |
Petal claw broad with pair of lateral basal lobes; stamens subtended by ciliate scales [6d. sect. Myxocarpa]. |
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(7) |
+ |
Petals not clawed or claw not greater than 2 mm, without lateral lobes; stamens not subtended by scales. |
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(14) |
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7 (6) |
Stigma not or rarely exserted beyond anthers; petals 6–12(–14) mm. |
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(8) |
+ |
Stigma exserted beyond anthers (rarely so in C. virgata); petals (7–)12–20 mm. |
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(10) |
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8 (7) |
Petals not spotted; pollen yellow |
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12 Clarkia stellata |
+ |
Petals spotted or mottled or with darker flecks; pollen blue-gray. |
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(9) |
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9 (8) |
Inflorescence axis recurved only at tip in bud, straight 4+ nodes distal to open flowers |
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14 Clarkia virgata (in part) |
+ |
Inflorescence axis in bud recurved 1–3 nodes distal to open flowers |
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16 Clarkia rhomboidea |
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10 (7) |
Inflorescence axis recurved in bud, straight 1–3 nodes distal to open flowers; petal length 1.4–1.6 times width |
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11 Clarkia mildrediae |
+ |
Inflorescence axis recurved only at tip in bud, straight 4+ nodes distal to open flowers; petal length 1.5–3 times width. |
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(11) |
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11 (10) |
Flower buds fusiform, tip acute |
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10 Clarkia borealis |
+ |
Flower buds narrowly obovoid, tip obtuse. |
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(12) |
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12 (11) |
Petal length 1.5–2 times width |
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13 Clarkia mosquinii |
+ |
Petal length 1.9–3 times width. |
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(13) |
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13 (12) |
Leaf blades elliptic to ovate |
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14 Clarkia virgata (in part) |
+ |
Leaf blades linear to lanceolate |
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15 Clarkia australis |
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14 (6) |
Petals shallowly to deeply 2-lobed [6h.1. sect. Phaeostoma subsect. Lautiflorae] |
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27 Clarkia biloba |
+ |
Petals not 2-lobed, sometimes emarginate. |
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(15) |
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15 (14) |
Stamens subequal, anthers of similar size and color. |
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(16) |
+ |
Inner stamens shorter, inner anthers much smaller, paler. |
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(18) |
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16 (15) |
Ovary 4-grooved; capsules usually wider distally [6c.3. sect. Rhodanthos subsect. Jugales] |
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9 Clarkia gracilis |
+ |
Ovary conspicuously 8-grooved; capsules not wider distally [6c.2. sect. Rhodanthos subsect. Flexicaules]. |
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(17) |
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17 (16) |
Stigma not exserted beyond anthers; pedicel in fruit 0–3 mm |
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7 Clarkia lassenensis |
+ |
Stigma exserted beyond anthers; pedicel in fruit 5–15 mm |
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8 Clarkia arcuata |
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18 (15) |
Stigma not exserted beyond anthers; petals 5–12 mm. |
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(19) |
+ |
Stigma exserted beyond anthers; petals 10–35 mm. |
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(21) |
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19 (18) |
Petals white to pale cream, not flecked, fading pink [6h.3. sect. Phaeostoma subsect. Micranthae] |
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32 Clarkia epilobioides |
+ |
Petals pale to dark pink, usually darker flecked. |
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(20) |
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20 (19) |
Petals pink, usually darker flecked [6h.1. sect. Phaeostoma subsect. Lautiflorae] |
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30 Clarkia modesta |
+ |
Petals pale pink, shading nearly white near base, purple- flecked [6h.2. sect. Phaeostoma subsect. Prognatae] |
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31 Clarkia similis |
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21 (18) |
Corollas rotate; petals oblanceolate [6h.1. sect. Phaeostoma subsect. Lautiflorae] |
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28 Clarkia lingulata |
+ |
Corollas bowl-shaped; petals fan-shaped. |
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(22) |
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22 (22) |
Ovary 8-grooved [6h.1. sect. Phaeostoma subsect. Lautiflorae] |
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29 Clarkia dudleyana |
+ |
Ovary 4-grooved [6h.5. sect. Phaeostoma subsect. Sympherica]. |
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(23) |
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23 (22) |
Width of outer filaments about 2 times inner; floral tube 2–7 mm ring of hairs in floral tube below rim |
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35 Clarkia cylindrica |
+ |
Width of all filaments about equal or inner slightly thinner; floral tube 1.5–4 mm ring of hairs in floral tube at rim. |
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(24) |
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24 (24) |
Capsule beak 0–3 mm |
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34 Clarkia lewisii |
+ |
Capsule beak 7–15 mm |
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36 Clarkia rostrata |
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25 (5) |
Buds pendent; corollas rotate or bowl-shaped; inner stamens shorter, inner anthers smaller, paler. |
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(26) |
+ |
Buds erect; corollas bowl-shaped; stamens subequal, anthers of similar size and color. |
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(33) |
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26 (25) |
Petals 2-lobed, with a slender central tooth [6g. sect. Fibula] |
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26 Clarkia xantiana |
+ |
Petals not lobed. |
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(27) |
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27 (26) |
Corollas bowl-shaped; petals not clawed [6g. sect. Fibula]. |
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(28) |
+ |
Corollas rotate; petals clawed. |
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(29) |
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28 (27) |
Seeds brown |
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24 Clarkia bottae |
+ |
Seeds gray |
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25 Clarkia jolonensis |
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29 (27) |
Petal claw shorter than blade [6h.4. sect. Phaeostoma subsect. Connubium] |
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33 Clarkia delicata |
+ |
Petal claw equal to or longer than blade [6h.6. sect. Phaeostoma subsect. Phaeostoma]. |
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(30) |
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30 (29) |
Sepals and ovary puberulent, mixed with longer, straight spreading hairs to 3 mm |
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37 Clarkia unguiculata |
+ |
Sepals and ovary sparsely to densely puberulent, without longer, straight spreading hairs. |
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(31) |
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31 (30) |
Leaf blades not glaucous, bright green |
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39 Clarkia exilis |
+ |
Leaf blades glaucous, gray-green or reddish green. |
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(32) |
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32 (31) |
Sepals usually dark red-purple; stigma exserted beyond anthers |
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38 Clarkia springvillensis |
+ |
Sepals green, red-tinged or not; stigma exserted or not beyond anthers |
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40 Clarkia tembloriensis |
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33 (25) |
Sepals remaining connate along edges and reflexed together to 1 side. |
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(34) |
+ |
Sepals reflexed individually or in pairs [6e. sect. Godetia]. |
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(38) |
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34 (33) |
Ovary 8-grooved. |
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(35) |
+ |
Ovary 4-grooved [6c.1. sect. Rhodanthos subsect. Primigenia]. |
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(36) |
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35 (34) |
Petals 30–60 mm; ovary fusiform [6c.1. sect. Rhodanthos subsect. Primigenia] |
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4 Clarkia amoena (in part) |
+ |
Petals 5–15 mm; ovary cylindrical [6f. sect. Biortis] |
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23 Clarkia affinis |
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36 (34) |
Petals with distinct red spot or mark near middle |
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4 Clarkia amoena (in part) |
+ |
Petals red or reddish purple at base. |
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(37) |
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37 (36) |
Petals 10–30 mm; stigma exserted beyond anthers |
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5 Clarkia rubicunda |
+ |
Petals 5–13 mm; stigma not exserted beyond anthers |
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6 Clarkia franciscana |
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38 (33) |
Stigma not exserted beyond anthers; petals 5–15 mm. |
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(39) |
+ |
Stigma exserted beyond anthers; petals 10–30 mm. |
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(41) |
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39 (38) |
Stems erect; leaf blades usually linear to lanceolate, apex acute |
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22 Clarkia purpurea (in part) |
+ |
Stems prostrate to decumbent; leaf blades elliptic to oblanceolate, apex usually obtuse. |
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(40) |
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40 (39) |
Petals 5–11 mm, without spot |
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20 Clarkia davyi |
+ |
Petals 10–15 mm, with red spot above base |
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21 Clarkia prostrata |
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41 (38) |
Inflorescences dense; ovary at anthesis longer than adjacent internode. |
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(42) |
+ |
Inflorescences open; ovary at anthesis shorter than adjacent internode. |
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(43) |
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42 (41) |
Floral tube conspicuously veined; petals with large, wedge-shaped purplish red spot near apex |
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17 Clarkia imbricata |
+ |
Floral tube not conspicuously veined; petals with red spot near or proximal to middle |
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19 Clarkia speciosa (in part) |
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43 (41) |
Buds mucronate, sepal tips distinct in bud |
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18 Clarkia williamsonii |
+ |
Buds not mucronate, sepal tips connate to tip. |
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(44) |
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44 (43) |
Petals without red or red-purple spot |
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19 Clarkia speciosa (in part) |
+ |
Petals with conspicuous red or purple spot. |
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(45) |
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45 (44) |
Petal spot at or proximal to middle |
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19 Clarkia speciosa (in part) |
+ |
Petal spot distal to middle |
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22 Clarkia purpurea (in part) |