Chylismia brevipes subsp. pallidula

(Munz) W. L. Wagner & Hoch

Syst. Bot. Monogr. 83: 206. 2007.

Basionym: Oenothera brevipes var. pallidula Munz Amer. J. Bot. 15: 229. 1928
Synonyms: Camissonia brevipes subsp. pallidula (Munz) P. H. Raven O. brevipes subsp. pallidula (Munz) P. H. Raven O. pallidula (Munz) Munz
Treatment appears in FNA Volume 10.
Revision as of 10:33, 9 May 2022 by imported>Volume Importer
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Herbs slender, usually branched distally, usually strigillose, sometimes also villous proximally. 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. Capsules 20–42 mm; pedicel 2–10 mm. 2n = 14.


Phenology: Flowering Mar–May.
Habitat: Dry flats, desert pavement, with Ambrosia dumosa and Larrea.
Elevation: 70–1100 m.

Distribution

Ariz., Calif., Nev., Utah.

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.

Selected References

None.

Lower Taxa

None.
Warren L. Wagner +
(Munz) W. L. Wagner & Hoch +
Oenothera brevipes var. pallidula +
Ariz. +, Calif. +, Nev. +  and Utah. +
70–1100 m. +
Dry flats, desert pavement, with Ambrosia dumosa and Larrea. +
Flowering Mar–May. +
Syst. Bot. Monogr. +
Camissonia brevipes subsp. pallidula +, O. brevipes subsp. pallidula +  and O. pallidula +
Chylismia brevipes subsp. pallidula +
Chylismia brevipes +
subspecies +