Flora of North America species comparison

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Chylismia claviformis subsp. rubescens
Photo is of parent taxon
Habit Herbs villous, at least proximally, also glandular puberulent.
Stems

5–40 cm.
Leaves

blade lateral lobes poorly developed, small or absent, terminal lobe lanceolate, to 4 × 2 cm, margins irregularly dentate.
Flowers

opening at sunset;

buds with conspicuous, subapical free tips;

floral tube orange-brown inside, 3.5–5 mm;

petals yellow, fading brick red, 3–5 mm.
2n

= 14.

Chylismia claviformis subsp. rubescens
Phenology Flowering Mar–Apr.
Habitat Sandy flats, with Ambrosia dumosa, Carnegiea gigantea, and Larrea.
Elevation 60–400 m. (200–1300 ft.)
Distribution
from FNA
AZ; Mexico (Sonora)
[BONAP county map]
Discussion

Subspecies rubescens is known from western Maricopa, eastern Pima, and southeastern Yuma counties, Arizona, and northwestern Sonora. It intergrades with subsp. peeblesii and hybridizes with Chylismia brevipes subsp. arizonica.

(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 claviformis
Sibling taxa
C. claviformis subsp. aurantiaca, C. claviformis subsp. claviformis, C. claviformis subsp. cruciformis, C. claviformis subsp. funerea, C. claviformis subsp. integrior, C. claviformis subsp. lancifolia, C. claviformis subsp. peeblesii, C. claviformis subsp. peirsonii, C. claviformis subsp. yumae
Synonyms Oenothera claviformis subsp. rubescens, Camissonia claviformis subsp. rubescens
Name authority (P. H. Raven) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 207. (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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