Flora of North America species comparison

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Chylismia brevipes subsp. pallidula

Chylismia brevipes subsp. arizonica
Photo is of parent taxon

pale sun cup
Photo is of parent taxon

Arizona sun cup
Habit Herbs slender, usually branched distally, usually strigillose, sometimes also villous proximally. Herbs slender, often branched distally, villous, sometimes also strigillose, at least distally.
Flowers

buds not individually reflexed, without free tips or with apical free tips less than 1 mm;

floral tube yellow inside, 4–5 mm;

petals often with red dots near base, fading yellow to orange, 7–12 mm;

anthers 4–6 mm.

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.
Capsules

20–42 mm;

pedicel 2–10 mm.

18–60 mm;

pedicel 2.5–5 mm.
2n

= 14.

= 14.

Chylismia brevipes subsp. pallidula

Chylismia brevipes subsp. arizonica
Phenology Flowering Mar–May. Flowering Feb–Apr.
Habitat Dry flats, desert pavement, with Ambrosia dumosa and Larrea. Rocky slopes, flats.
Elevation 70–1100 m. (200–3600 ft.) 70–300 m. (200–1000 ft.)
Distribution
from FNA
AZ; CA; NV; UT
[BONAP county map]
from FNA
AZ; CA
[BONAP county map]
Discussion

Subspecies pallidula occurs in the Sonoran and Mojave deserts from Washington County, Utah, to southeastern Inyo County, California, south to Riverside County, California, Mohave County, Arizona, and Clark County, Nevada. It hybridizes with Chylismia claviformis subspp. aurantiaca and peeblesii, as well as with C. multijuga.

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

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.)
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. arizonica, C. brevipes subsp. brevipes
C. brevipes subsp. brevipes, C. brevipes subsp. pallidula
Synonyms Oenothera brevipes var. pallidula, Camissonia brevipes subsp. pallidula, O. brevipes subsp. pallidula, O. pallidula Oenothera brevipes subsp. arizonica, Camissonia brevipes subsp. arizonica
Name authority (Munz) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 206. (2007) (P. H. Raven) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 205. (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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