Flora of North America species comparison

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Astragalus kentrophyta var. neomexicanus
Photo is of parent taxon

New Mexican kentrophyta, New Mexico spiny milkvetch
Habit Plants decumbent and mat- or cushion-forming, or erect and bushy-branched basally, 4–30(–40) cm.
Stems

and herbage strigulose, hairs malpighian.
Leaves

0.8–2.2 cm;

stipules uniform, connate to 1/2 their length, 1–1.5(–2.5) mm;

leaflets usually 5, blades 3–13 mm.
Peduncles

0.1–0.3 cm.
Flowers

4.8–5.2 mm;

calyx 2.4–3.3 mm, tube 1.8–2.1 mm, lobes subulate, spinulose, 0.7–1.5 mm;

corolla whitish.
Legumes

obliquely ovoid, 3–4 × 1.8–2.4 mm.
Seeds

2 or 3.
2n

= 24.

Astragalus kentrophyta var. neomexicanus
Phenology Flowering Jun–Sep.
Habitat Bluffs, badlands, dunes, mixed desert shrub and pinyon-juniper communities.
Elevation 1600–2200 m. (5200–7200 ft.)
Distribution
from FNA
NM
[BONAP county map]
Discussion

Variety neomexicanus is predominantly of the northwestern quarter of New Mexico, with outlying populations along the drainage of the Pecos River in De Baca and Chaves counties. Plants from the latter area have somewhat the habit of var. kentrophyta but the pungent leaflets and short calyx lobes of var. neomexicanus.

(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. coloradoensis, A. kentrophyta var. danaus, A. kentrophyta var. douglasii, A. kentrophyta var. elatus, A. kentrophyta var. jessiae, A. kentrophyta var. kentrophyta, A. kentrophyta var. tegetarius, A. kentrophyta var. ungulatus
Synonyms A. tegetarius var. neomexicanus
Name authority (Barneby) Barneby: Leafl. W. Bot. 6: 154. (1951)
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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