Flora of North America species comparison

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Chylismia walkeri subsp. tortilis
Photo is of parent taxon

Walker's sun cup
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.

Chylismia walkeri subsp. tortilis
Phenology Flowering Apr–Jun.
Habitat Colonial in rocky debris near cliffs, along ephemeral streams, on limestone.
Elevation 600–1900 m. (2000–6200 ft.)
Distribution
from FNA
CA; NV; UT
[BONAP county map]
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.

(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. walkeri
Synonyms Oenothera scapoidea var. tortilis, Camissonia walkeri subsp. tortilis, C. walkeri var. tortilis, O. walkeri subsp. tortilis
Name authority (Jepson) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 208. (2007)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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