familyOnagraceae
subfamilyOnagraceae subfam. Onagroideae
genusChylismia
sectionChylismia sect. Chylismia
speciesChylismia walkeri
subspeciesChylismia walkeri subsp. tortilis
Chylismia walkeri subsp. tortilis
Syst. Bot. Monogr. 83: 208. 2007.
Basionym: Oenothera scapoidea var. tortilis Jepson Man. Fl. Pl. Calif., 687. 1925
Synonyms: Camissonia walkeri subsp. tortilis (Jepson) P. H. Raven C. walkeri var. tortilis (Jepson) S. L. Welsh O. walkeri subsp. tortilis (Jepson) P. H. Raven
Treatment appears in FNA Volume 10.
Leaves primarily basal, forming conspicuous rosette, cauline reduced or absent; blade usually pinnately lobed, rarely bipinnately, lateral lobes usually well developed. Flowers: floral tube 1–1.5 mm; sepals 1.5–5 mm; petals 2.8–6 mm; anthers 1–2 mm, glabrous or sparsely ciliate; style 4–6 mm. Capsules: pedicel 5–30 mm. 2n = 14.
Phenology: Flowering Apr–Jun.
Habitat: Colonial in rocky debris near cliffs, along ephemeral streams, on limestone.
Elevation: 600–1900 m.
Distribution
Calif., Nev., Utah.
Discussion
Subspecies tortilis is known from Millard and Washington counties, Utah, west to southern Elko and Mineral counties, Nevada, southwest to Inyo and northeastern San Bernardino counties, California, eastward to Clark County, Nevada.
Selected References
None.
Lower Taxa
None.