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Photo is of parent taxon

Arizona sun cup

Photo is of parent taxon

golden suncup

Habit Herbs slender, often branched distally, villous, sometimes also strigillose, at least distally. Herbs stout, somewhat succulent, usually unbranched distally, usually densely villous, usually also strigillose.
Flowers

buds individually reflexed, without free tips or with apical free tips less than 1 mm;

floral tube orange-brown inside, 3–5 mm;

petals often with red dots at base, often fading reddish, 3–8 mm;

anthers 2.5–5 mm.

buds not individually reflexed, with subapical free tips 1–2 mm;

floral tube yellow inside, 4–8 mm;

petals usually without red dots at base, fading yellow to orange, 6–18 mm;

anthers 4–6 mm.

Capsules

18–60 mm;

pedicel 2.5–5 mm.

20–92 mm;

pedicel 5–20 mm.

2n

= 14.

= 14.

Chylismia brevipes subsp. arizonica

Chylismia brevipes subsp. brevipes

Phenology Flowering Feb–Apr. Flowering Feb–May.
Habitat Rocky slopes, flats. Hillsides, alluvial fans, sandy slopes.
Elevation 70–300 m. (200–1000 ft.) -70–2100 m. (-200–6900 ft.)
Distribution
from FNA
AZ; CA
[BONAP county map]
from FNA
AZ; CA; NV; UT
[BONAP county map]
Discussion

Subspecies arizonica is known from Yuma County, Arizona, and eastern Imperial County, California. It hybridizes with Chylismia claviformis subspp. peeblesii, rubescens, and yumae.

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

Subspecies brevipes occurs in the Sonoran and Mojave deserts from southern Esmeralda County, Nevada, and southwestern Washington County, Utah, south to northern Yuma County, Arizona, and northern Imperial County, California. It intergrades with subsp. pallidula and hybridizes with Chylismia claviformis subspp. claviformis and integrior, as well as C. multijuga and C. munzii.

(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 brevipes Onagraceae > subfam. Onagroideae > tribe Onagreae > Chylismia > sect. Chylismia > Chylismia brevipes
Sibling taxa
C. brevipes subsp. brevipes, C. brevipes subsp. pallidula
C. brevipes subsp. arizonica, C. brevipes subsp. pallidula
Synonyms Oenothera brevipes subsp. arizonica, Camissonia brevipes subsp. arizonica Oenothera divaricata
Name authority (P. H. Raven) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 205. (2007) unknown
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