Clarkia speciosa |
Clarkia amoena |
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red spotted clarkia, red spotted or redspot clarkia, redspot clarkia |
arewell-to-spring, farewell-to-spring, farewell-to-spring clarkia, godetia, yellow clarkia |
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Stems | erect or decumbent, to 60 cm, puberulent. |
erect to decumbent, 20–200 cm, puberulent. |
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Leaves | petiole 0–5 mm; blade linear to lanceolate, 1–6 cm. |
petiole to 10 mm; blade linear to lanceolate, 1–6 cm. |
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Inflorescences | open or dense racemes or panicles, axis straight; buds erect. |
open or dense spikes or racemes, axis straight; buds erect. |
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Flowers | floral tube 5–15 mm; sepals usually reflexed individually or in pairs, or rarely together to one side, tips not distinct in bud; corolla bowl-shaped, petals lavender to wine-red, often shading white or pale yellow toward base, unspotted or with bright red or purplish red spot near or proximal to middle, 10–25 mm; stamens 8, subequal; ovary 8-grooved; stigma exserted beyond anthers. |
floral tube 3–10 mm; sepals usually reflexed together to one side, or rarely in pairs or singly; corolla bowl-shaped, petals pale pink to lavender, usually with red spot or mark near middle, obovate to fan-shaped, 15–60 mm, not lobed, apex sometimes shallowly notched or erose; stamens 8, in 2 subequal sets; ovary cylindrical and 4-grooved or fusiform and 8-grooved, puberulent; stigma exserted or not beyond anthers. |
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Capsules | 15–20 mm. |
15–40 mm, sometimes broader distally; pedicel 0–13 mm. |
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Seeds | brown or gray, 0.7–1 mm, scaly, crest 0.1 mm. |
brown to grayish brown, 1–1.5 mm, scaly, crest 0.1 mm. |
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Clarkia speciosa |
Clarkia amoena |
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Distribution |
California
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w North America
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Discussion | Subspecies 4 (4 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Subspecies 5 (5 in the flora). Clarkia amoena is closely related to C. rubicunda, which differs morphologically mainly in the color pattern of the petals. Petals of C. amoena have a conspicuous red spot or group of small red spots or marks near the middle, whereas those of C. rubicunda have a red area at the base and are not spotted near the middle. The areas of distribution of the two species barely overlap in California just north of San Francisco Bay, and C. rubicunda could be considered a southern geographical race or subspecies of C. amoena were it not that their readily formed hybrids are sterile due to chromosomal rearrangement. Clarkia amoena is one of the parent species of the allotetraploid C. gracilis. Intermediates between subspecies are frequent. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 10. | FNA vol. 10. | ||||||||||||||||||||||||||||||||
Parent taxa | Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Godetia | Onagraceae > subfam. Onagroideae > tribe Onagreae > Clarkia > sect. Rhodanthos > subsect. Primigenia | ||||||||||||||||||||||||||||||||
Sibling taxa | ||||||||||||||||||||||||||||||||||
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Synonyms | Oenothera viminea var. parviflora, Godetia parviflora | Oenothera amoena, Godetia amoena | ||||||||||||||||||||||||||||||||
Name authority | H. Lewis & M. E. Lewis: Madroño 12: 34. (1953) | (Lehmann) A. Nelson & J. F. Macbride: Bot. Gaz. 65: 62. (1918) | ||||||||||||||||||||||||||||||||
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