familyOnagraceae
subfamilyOnagraceae subfam. Onagroideae
genusChylismia
sectionChylismia sect. Chylismia
speciesChylismia claviformis
subspeciesChylismia claviformis subsp. peirsonii
Difference between revisions of "Chylismia claviformis subsp. peirsonii"
Syst. Bot. Monogr. 83: 207. 2007.
Basionym: Oenothera claviformis var. peirsonii Munz Amer. J. Bot. 15: 238. 1928
Synonyms: Camissonia claviformis subsp. peirsonii (Munz) P. H. Raven Chylismia peirsonii (Munz) D. A. Johansen O. claviformis subsp. peirsonii (Munz) P. H. Raven
Treatment appears in FNA Volume 10.
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|tribe=Onagraceae tribe Onagreae | |tribe=Onagraceae tribe Onagreae | ||
Latest revision as of 10:33, 9 May 2022
Herbs villous, at least proximally, rarely strigillose or glandular puberulent. Stems 5–60 cm. Leaves: blade lateral lobes usually well developed, terminal lobe narrowly ovate, to 9 × 3.5 cm, margins irregularly sinuate-dentate. Flowers opening at sunset; buds with conspicuous, subapical free tips; floral tube orange-brown inside, 2.5–4.5 mm; petals usually yellow, rarely white, not changing color in fading, 4.5–7 mm. 2n = 14.
Phenology: Flowering Feb–Apr.
Habitat: Sandy flats or washes, with Ambrosia dumosa, Fouquieria splendens, and Larrea.
Elevation: -70–400 m.
Distribution
Calif., Mexico (Baja California).
Discussion
Subspecies peirsonii is known from east of the Salton Sea and Imperial Valley in Imperial and San Diego counties, California, and in northeastern Baja California to the Gulf of California. It intergrades with subsp. aurantiaca.
Selected References
None.
Lower Taxa
None.