Flora of North America species comparison

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Astragalus kentrophyta var. coloradoensis
Photo is of parent taxon

Canyonlands kentrophyta, Colorado spiny milkvetch
Habit Plants loosely mat- or clump-forming, low, to 12 cm.
Stems

and herbage strigulose, hairs malpighian.
Leaves

0.9–2.4 cm;

stipules 1–12 mm;

leaflets (3 or)5(or 7), blades 4–15 mm, surfaces pubescent.
Peduncles

0.2–0.6 cm.
Flowers

7.3–10 mm;

calyx 6–8.3 mm, tube 2.4–3.3 mm, lobes subulate, spinulose, 3.4–5 mm;

corolla pink-purple.
Legumes

subsymmetrically ellipsoid, lanceoloid- or oblong-ellipsoid, (5–)7–10 × 2.8–4 mm.
Seeds

4–8.
2n

= 24.

Astragalus kentrophyta var. coloradoensis
Phenology Flowering Apr–Jun.
Habitat Sandy wash bottoms, sandy pockets on sandstone rimrock, in mixed desert shrub communities.
Elevation 900–1700 m. (3000–5600 ft.)
Distribution
from FNA
AZ; UT
[BONAP county map]
Discussion

Variety coloradoensis is known from north-central Arizona and south-central Utah.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus > sect. Ervoidei > Astragalus kentrophyta
Sibling taxa
A. kentrophyta var. danaus, A. kentrophyta var. douglasii, A. kentrophyta var. elatus, A. kentrophyta var. jessiae, A. kentrophyta var. kentrophyta, A. kentrophyta var. neomexicanus, A. kentrophyta var. tegetarius, A. kentrophyta var. ungulatus
Name authority M. E. Jones: Contr. W. Bot. 10: 63. (1902)
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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