Flora of North America species comparison

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Chylismia claviformis subsp. yumae

Chylismia claviformis subsp. claviformis
Photo is of parent taxon

Yuma clavate fruit primrose
Photo is of parent taxon

browneyes
Habit Herbs strigillose, often densely so, sometimes also glandular puberulent distally. Herbs glabrous or strigillose proximally, sometimes also glandular puberulent, usually glabrous distally, rarely very sparsely strigillose or glandular puberulent.
Stems

5–40 cm.

6–55 cm.
Leaves

blade lateral lobes poorly or well developed, terminal lobe lanceolate, to 6.5 × 2 cm, margins irregularly sinuate-dentate.

blade lateral lobes usually well developed, terminal lobe narrowly ovate, to 6 × 3.5 cm, margins irregularly sinuate-dentate.
Flowers

opening at sunset;

buds usually without free tips, sometimes with apical free tips less than 1 mm;

floral tube orange-brown inside, 2.5–4 mm;

petals pale yellow, fading reddish or not changing color, 3–5 mm.

opening at sunset;

buds with apical free tips less than 1 mm;

floral tube orange-brown inside, 3–5.5 mm;

petals usually white, very rarely pale yellow, sometimes purple-dotted near base, often fading purple, 3.5–8 mm.
2n

= 14.

= 14.

Chylismia claviformis subsp. yumae

Chylismia claviformis subsp. claviformis
Phenology Flowering Feb–May. Flowering Mar–May.
Habitat Very arid dunes and sandy flats, with Ambrosia dumosa and Larrea tridentata. Alluvial slopes and flats, with Ambrosia dumosa and Larrea.
Elevation 0–300 m. (0–1000 ft.) 800–1700 m. (2600–5600 ft.)
Distribution
from FNA
AZ; CA; Mexico (Baja California, Sonora)
[BONAP county map]
from FNA
CA
[BONAP county map]
Discussion

Subspecies yumae is known from southeastern Imperial County, California, Yuma Desert, Arizona, and from El Gran Desierto to Puerto Peñasco in northwestern Sonora, and in northeastern Baja California. The subspecies is probably from hybridization between subspp. aurantiaca and peirsonii; it intergrades with subsp. aurantiaca and rarely hybridizes with Chylismia brevipes subsp. arizonica.

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

Subspecies claviformis is known from western Inyo, eastern Kern, northern Los Angeles, western San Bernardino, and northern Riverside counties, almost entirely in the Mojave Desert. It intergrades widely and gradually with subspp. aurantiaca and funerea, and hybridizes with Chylismia brevipes subsp. brevipes.

(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 claviformis 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. rubescens
C. claviformis subsp. aurantiaca, 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. rubescens, C. claviformis subsp. yumae
Synonyms Oenothera claviformis subsp. yumae, Camissonia claviformis subsp. yumae
Name authority (P. H. Raven) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 207. (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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