Flora of North America species comparison

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Chylismia claviformis subsp. aurantiaca

Chylismia claviformis subsp. peeblesii
Photo is of parent taxon

pinnate leaf primrose
Photo is of parent taxon
Habit Herbs strigillose, especially proximally, sometimes glabrate distally. Herbs glandular puberulent and strigillose.
Stems

5–50 cm.

5–60 cm.
Leaves

blade sometimes purple-dotted, lateral lobes irregular, well developed, terminal lobe narrowly ovate, to 3 × 1.5 cm, margins irregularly sinuate-dentate.

blade lateral lobes irregular, well developed, terminal lobe narrowly ovate, to 7 × 3 cm, margins irregularly sinuate-dentate.
Flowers

opening at sunset;

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

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

petals white, rarely purple-dotted at base, often fading purple, rarely orange, 2.5–8 mm.

opening at sunset;

buds without free tips;

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

petals white, often fading purple, 3–7.5 mm.
2n

= 14.

= 14.

Chylismia claviformis subsp. aurantiaca

Chylismia claviformis subsp. peeblesii
Phenology Flowering (Dec–)Feb–Jun. Flowering (Dec–)Jan–Apr.
Habitat Sandy flats, washes, with Ambrosia dumosa, Fouquieria splendens, and Larrea. Flat, sandy plains, washes, with Ambrosia dumosa, Carnegiea gigantea, Larrea tridentata, and Prosopis.
Elevation -70–1100 m. (-200–3600 ft.) 100–700 m. (300–2300 ft.)
Distribution
from FNA
AZ; CA; NV; Mexico (Baja California)
[BONAP county map]
from FNA
AZ; NM; Mexico (Sonora)
[BONAP county map]
Discussion

Subspecies aurantiaca is known from Lincoln County, Nevada, south through southeastern California to northeasternmost Baja California, and in Arizona only in westernmost Mohave and Yuma counties. It intergrades extensively with subspp. peirsonii and yumae, and those with white petals (subspp. claviformis, funerea, integrior, and peeblesii); it sometimes hybridizes with Chylismia brevipes subspp. brevipes and pallidula, and with C. munzii.

The name Oenothera scapoidea var. aurantiaca S. Watson is superfluous because Watson included O. claviformis Torrey & Frémont as a synonym, which is the basionym of O. scapoidea var. claviformis (Torrey & Frémont) S. Watson. Likewise, Chylismia scapoidea (Torrey & A. Gray) Nuttall ex Raimann var. aurantiaca Davidson & Moxley is also an illegitimate name that pertains here.

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

Subspecies peeblesii is known throughout almost all the southwestern half of Arizona and locally in northwesternmost Sonora, and was recently collected in Grant and Hildago counties in New Mexico. It intergrades with subspp. aurantiaca and rubescens, and hybridizes with all subspecies of Chylismia 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. 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. yumae
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. peirsonii, C. claviformis subsp. rubescens, C. claviformis subsp. yumae
Synonyms Oenothera claviformis var. aurantiaca, Camissonia claviformis subsp. aurantiaca, C. claviformis var. aurantiaca, C. aurantiaca, O. claviformis subsp. aurantiaca Oenothera claviformis var. peeblesii, Camissonia claviformis subsp. peeblesii, O. claviformis subsp. peeblesii
Name authority (Munz) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 206. (2007) (Munz) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 206. (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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