familyOnagraceae
subfamilyOnagraceae subfam. Onagroideae
genusChylismia
sectionChylismia sect. Chylismia
speciesChylismia brevipes
subspeciesChylismia brevipes subsp. arizonica
Chylismia brevipes subsp. arizonica
Syst. Bot. Monogr. 83: 205. 2007.
Basionym: Oenothera brevipes subsp. arizonica P. H. Raven Univ. Calif. Publ. Bot. 34: 84. 1962
Synonyms: Camissonia brevipes subsp. arizonica (P. H. Raven) P. H. Raven
Treatment appears in FNA Volume 10.
Herbs slender, often branched distally, villous, sometimes also strigillose, at least distally. 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. Capsules 18–60 mm; pedicel 2.5–5 mm. 2n = 14.
Phenology: Flowering Feb–Apr.
Habitat: Rocky slopes, flats.
Elevation: 70–300 m.
Discussion
Subspecies arizonica is known from Yuma County, Arizona, and eastern Imperial County, California. It hybridizes with Chylismia claviformis subspp. peeblesii, rubescens, and yumae.
Selected References
None.
Lower Taxa
None.