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Photo is of parent taxon

naked stem evening primrose, short-fruit beeblossom

Photo is of parent taxon

Paiute suncup

Leaves

blade with lateral lobes few or absent, sometimes well developed, terminal lobe narrowly ovate to ovate or, sometimes, elliptic, 1–6.5 × 0.7–3.3 cm, margins irregularly dentate, oil cells on abaxial surface conspicuous, dark brown.

blade usually unlobed, rarely pinnately lobed with few, small lateral lobes, terminal lobe narrowly ovate to ovate or, sometimes, elliptic, 1–5.5 × 0.5–3 cm, margins subentire, oil cells on abaxial surface inconspicuous, usually pale yellowish brown, rarely darker.

Flowers

petals 1.8–4 mm.

petals 1.7–5 mm.

Capsules

8–20(–28) mm.

(10–)15–30 mm.

2n

= 14.

= 14, 28.

Chylismia scapoidea subsp. brachycarpa

Chylismia scapoidea subsp. scapoidea

Phenology Flowering May–Jun. Flowering Mar–May.
Habitat Sandy slopes and flats, with Artemisia, Grayia, or Juniperus. Sandy or clay flats.
Elevation 700–2000 m. (2300–6600 ft.) 1200–2000(–2500) m. (3900–6600(–8200) ft.)
Distribution
from FNA
ID; NV; OR; UT
[BONAP county map]
from FNA
AZ; CO; NM; NV; OR; UT; WY
[BONAP county map]
Discussion

Subspecies brachycarpa is known from southeastern Oregon, southwestern Idaho, northwestern Utah, and northeastern Nevada.

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

Subspecies scapoidea is known from western Wyoming, west to Lake County, Oregon, and Elko and White Pine counties, Nevada, south to Beaver County, Utah, northern Coconino, Navajo, and Apache counties, Arizona, Sandoval and San Juan counties, New Mexico, and western Colorado; also on the headwaters of the Arkansas River in eastern Colorado (Fremont and Pueblo counties). It is the only member of sect. Chylismia that occurs east of the Continental Divide.

(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 scapoidea Onagraceae > subfam. Onagroideae > tribe Onagreae > Chylismia > sect. Chylismia > Chylismia scapoidea
Sibling taxa
C. scapoidea subsp. macrocarpa, C. scapoidea subsp. scapoidea, C. scapoidea subsp. utahensis
C. scapoidea subsp. brachycarpa, C. scapoidea subsp. macrocarpa, C. scapoidea subsp. utahensis
Synonyms Oenothera scapoidea subsp. brachycarpa, Camissonia scapoidea subsp. brachycarpa C. scapoidea var. seorsaa., Oenothera scapoidea var. seorsa
Name authority (P. H. Raven) W. L. Wagner & Hoch: Syst. Bot. Monogr. 83: 208. (2007) unknown
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