Astragalus kentrophyta var. neomexicanus
Astragalus kentrophyta var. tegetarius
New Mexican kentrophyta, New Mexico spiny milkvetch
mat milk vetch, mountain kentrophyta
and herbage strigulose, hairs malpighian.
and herbage densely to sparsely strigulose, villosulous, or villous, hairs basifixed.
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.
(0.2–)0.4–1.5(–2) cm;
stipules 2–7 mm;
leaflets (3 or)5–9, blades 1–9 mm, surfaces pubescent or adaxially glabrous or medially glabrescent.
0.1–0.3 cm.
0–1.5(–3) cm.
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.
(3.9–)4.5–8(–9.2) mm;
calyx (2–)2.4–5.7(–7) mm, tube 1.2–2.6(–2.8) mm, lobes subulate to setaceous, (0.5–)1.9–2.6(–4.2) mm;
corolla usually purple or purplish, sometimes white and keel tip pink or purplish.
obliquely ovoid, 3–4 × 1.8–2.4 mm.
ellipsoid or oblong-ellipsoid, (3–)4–8(–9) × (0.6–)2–2.5 mm.
2 or 3.
(3–)5–8.
= 24.
= 24.
Astragalus kentrophyta var. neomexicanus
Astragalus kentrophyta var. tegetarius
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.)
The moderately large, usually purplish flowers borne just above the mat of foliage set var. tegetarius apart and make it one of the showiest phases of the species.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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