Flora of North America species comparison

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Stenogonum flexum

bent two-whorl buckwheat
Stems

mostly erect, (0.5–)1–3 dm, sparsely glandular.
Leaves

basal;

petiole 1–4 cm;

blade mostly orbiculate, 0.5–2 cm, minutely strigose when young, glabrous at maturity.
Inflorescences

erect or slightly spreading, 0.5–2.5 dm, glandular at nodes and proximal internode;

bracts 0.5–2 mm, sometimes sparsely glandular.
Peduncles

flexed, filiform, 1–3 cm, glandular to middle.
Flowers

perianth yellow to reddish yellow, 1.5–3.5 mm;

tepals lanceolate;

filaments 1.5–2 mm;

anthers 0.2–0.3 mm.
Achenes

2–2.5 mm.
Involucral

bracts 2–3 × 2–4 mm, glabrous, sometimes sparsely glandular.
2n

= 40.

Stenogonum flexum
Phenology Flowering Apr–Sep.
Habitat Clay hills and flats, saltbush communities
Elevation 1300-2000 m (4300-6600 ft)
Distribution
from FNA
AZ; CO; NM; UT
[BONAP county map]
Discussion

Stenogonum flexum is found in eastern Utah from Uintah County south to Kane and San Juan counties, with additional populations over the state lines in Arizona, Colorado, and New Mexico.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 5, p. 432.
Parent taxa Polygonaceae > subfam. Eriogonoideae > Stenogonum
Sibling taxa
S. salsuginosum
Synonyms Eriogonum flexum
Name authority (M. E. Jones) Reveal & J. T. Howell: Brittonia 28: 249. (1976)
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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