Flora of North America species comparison

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Chylismia walkeri subsp. tortilis

Chylismia walkeri subsp. walkeri
Photo is of parent taxon

Walker's sun cup
Photo is of parent taxon
Leaves

primarily basal, forming conspicuous rosette, cauline reduced or absent;

blade usually pinnately lobed, rarely bipinnately, lateral lobes usually well developed.

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 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.

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 5–30 mm.

pedicel 5–15 mm.
2n

= 14.

= 14, 28.

Chylismia walkeri subsp. tortilis

Chylismia walkeri subsp. walkeri
Phenology Flowering Apr–Jun. Flowering Apr–Jun.
Habitat Colonial in rocky debris near cliffs, along ephemeral streams, on limestone. Loose slides of limestone and other sedimentaries, sandy washes.
Elevation 600–1900 m. (2000–6200 ft.) 900–1800 m. (3000–5900 ft.)
Distribution
from FNA
CA; NV; UT
[BONAP county map]
from FNA
AZ; CO; NM; 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.)

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. FNA vol. 10.
Parent taxa Onagraceae > subfam. Onagroideae > tribe Onagreae > Chylismia > sect. Chylismia > Chylismia walkeri Onagraceae > subfam. Onagroideae > tribe Onagreae > Chylismia > sect. Chylismia > Chylismia walkeri
Sibling taxa
C. walkeri subsp. walkeri
C. walkeri subsp. tortilis
Synonyms Oenothera scapoidea var. tortilis, Camissonia walkeri subsp. tortilis, C. walkeri var. tortilis, O. walkeri subsp. tortilis Camissonia bolanderin., C. dominguezescalanteorum, Oenothera multijuga var. orientalis
Name authority (Jepson) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 208. (2007) unknown
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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