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Photo is of parent taxon
Leaves

primarily cauline, rarely forming basal rosette;

blade with only terminal lobe well developed, sometimes pinnately lobed, lateral lobes usually greatly reduced or absent.

Flowers

floral tube 0.5–1.3 mm;

sepals 1.5–2 mm;

petals 1–3 mm;

anthers 0.5–0.8 mm, glabrous;

style 1.5–4 mm.

Capsules

pedicel 5–15 mm.

2n

= 14, 28.

Chylismia walkeri subsp. walkeri

Phenology Flowering Apr–Jun.
Habitat Loose slides of limestone and other sedimentaries, sandy washes.
Elevation 900–1800 m. (3000–5900 ft.)
Distribution
from FNA
AZ; CO; NM; UT
[BONAP county map]
Discussion

Subspecies walkeri is nearly confined to the Colorado Plateau, known from Mesa County, Colorado, and Emery County, Utah, south to Montezuma County, Colorado, San Juan County, New Mexico, and central Coconino and northeastern Mohave counties, Arizona.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 10.
Parent taxa Onagraceae > subfam. Onagroideae > tribe Onagreae > Chylismia > sect. Chylismia > Chylismia walkeri
Sibling taxa
C. walkeri subsp. tortilis
Synonyms Camissonia bolanderin., C. dominguezescalanteorum, Oenothera multijuga var. orientalis
Name authority unknown
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