Flora of North America species comparison

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Astragalus sect. Knightiani
Habit Herbs perennial, low, tuft-forming, shortly caulescent or subacaulescent; caudex superficial.
Stems

few to many.
Leaves

odd-pinnate, often shorter than distal racemes, petiolate;

leaflets 7–15.
Racemes

not especially dimorphic, proximal ones subradical, often 1-flowered, distal ones loosely 2–10(–14)-flowered, flowers ascending then declined.
Corollas

whitish or violet-tinged, banner recurved through 45–80°, keel apex incurved, obtuse.
Calyx

tubes campanulate.
Legumes

persistent or ultimately deciduous, gynophore present, 0.3–1 mm, pendulous, spreading, or humistrate, narrowly ellipsoid or obovoid-ellipsoid, straight, unilocular.
Seeds

8–18.
Hairs

malpighian, incipiently malpighian, or basifixed.
Stipules

connate or distinct at distal nodes.

Astragalus sect. Knightiani
Distribution
New Mexico
Discussion

Species 3 (3 in the flora).

Section Knightiani consists of New Mexico endemics that are distinguished by small but tangible differences.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 11.
Parent taxa Fabaceae > subfam. Faboideae > Astragalus
Subordinate taxa
Name authority S. L. Welsh: N. Amer. Sp. Astragalus, 154. (2007)
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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