Chylismia scapoidea |
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naked-stem beeblossom, Paiute suncup |
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Habit | Herbs annual, strigillose, villous, or glandular puberulent. | ||||||||||||
Stems | usually unbranched, sometimes branched from base, 3–45 cm. |
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Leaves | primarily in basal rosette, cauline poorly developed or absent, 1–18 × 0.5–3.5 cm; petiole 0.5–6.5 cm; blade pinnately lobed or lateral lobes greatly reduced or absent, sometimes mixed on same plant, terminal lobe narrowly ovate to ovate or elliptic, 1–6.5 × 0.5–3.3 cm, margins irregularly dentate to subentire, oil cells on abaxial surface inconspicuous or conspicuous, pale yellowish brown or dark brown. |
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Racemes | nodding, elongating in fruit. |
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Flowers | opening at sunrise; buds with or without subapical free tips less than 1 mm; floral tube 1–4 mm, sparsely villous or glabrous inside; sepals 1.2–5 mm; petals bright yellow, often with red dots near base, fading pale yellow or yellowish orange, 1.5–5.5(–8) mm; stamens unequal, filaments of antisepalous stamens 1.2–6 mm, those of antipetalous ones 0.5–4 mm, anthers 1–2.5 mm, ciliate or glabrous; style 3–11 mm, stigma surrounded by anthers at anthesis. |
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Capsules | ascending, clavate, 8–50 mm; pedicel 4–20 mm. |
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Seeds | 1–2 mm. |
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Chylismia scapoidea |
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Distribution | w United States
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Discussion | Subspecies 4 (4 in the flora). P. H. Raven (1962, 1969) determined this species to be self-compatible and primarily autogamous. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 10. | ||||||||||||
Parent taxa | Onagraceae > subfam. Onagroideae > tribe Onagreae > Chylismia > sect. Chylismia | ||||||||||||
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Subordinate taxa | |||||||||||||
Synonyms | Oenothera scapoidea, Camissonia scapoidea, O. brevipes var. scapoidea | ||||||||||||
Name authority | (Torrey & A. Gray) Nuttall ex Raimann in H. G. A. Engler and K. Prantl: Nat. Pflanzenfam. 96[III,7]: 217. (1893) | ||||||||||||
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