Chylismia brevipes subsp. arizonica |
Chylismia brevipes subsp. brevipes |
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Arizona sun cup |
golden suncup |
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Habit | Herbs slender, often branched distally, villous, sometimes also strigillose, at least distally. | Herbs stout, somewhat succulent, usually unbranched distally, usually densely villous, usually also strigillose. |
Flowers | buds individually reflexed, without free tips or with apical free tips less than 1 mm; floral tube orange-brown inside, 3–5 mm; petals often with red dots at base, often fading reddish, 3–8 mm; anthers 2.5–5 mm. |
buds not individually reflexed, with subapical free tips 1–2 mm; floral tube yellow inside, 4–8 mm; petals usually without red dots at base, fading yellow to orange, 6–18 mm; anthers 4–6 mm. |
Capsules | 18–60 mm; pedicel 2.5–5 mm. |
20–92 mm; pedicel 5–20 mm. |
2n | = 14. |
= 14. |
Chylismia brevipes subsp. arizonica |
Chylismia brevipes subsp. brevipes |
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Phenology | Flowering Feb–Apr. | Flowering Feb–May. |
Habitat | Rocky slopes, flats. | Hillsides, alluvial fans, sandy slopes. |
Elevation | 70–300 m. (200–1000 ft.) | -70–2100 m. (-200–6900 ft.) |
Distribution |
AZ; CA |
AZ; CA; NV; UT |
Discussion | Subspecies arizonica is known from Yuma County, Arizona, and eastern Imperial County, California. It hybridizes with Chylismia claviformis subspp. peeblesii, rubescens, and yumae. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Subspecies brevipes occurs in the Sonoran and Mojave deserts from southern Esmeralda County, Nevada, and southwestern Washington County, Utah, south to northern Yuma County, Arizona, and northern Imperial County, California. It intergrades with subsp. pallidula and hybridizes with Chylismia claviformis subspp. claviformis and integrior, as well as C. multijuga and C. munzii. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 10. | FNA vol. 10. |
Parent taxa | ||
Sibling taxa | ||
Synonyms | Oenothera brevipes subsp. arizonica, Camissonia brevipes subsp. arizonica | Oenothera divaricata |
Name authority | (P. H. Raven) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 205. (2007) | unknown |
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