Flora of North America species comparison

strigulose;

from subterranean or superficial caudex.

single or few to several.

odd-pinnate or distalmost unifoliolate, 2–10 cm;

leaflets (1 or)3–11, blades usually linear, rarely linear-oblong, 4–14 mm, apex obtuse or acute, surfaces brighter green and, usually, less densely pubescent abaxially;

terminal leaflet confluent with rachis.

odd-pinnate, sessile or subsessile to petiolate;

leaflets (0–)3–21, or lateral leaflets fewer and terminal leaflet continuous with rachis.

(2–)5–20-flowered.

loosely flowered, flowers ascending, spreading, declined, or nodding.

10–30 cm.

whitish, ochroleucous, yellow, or pink-purple to dull lavender or purple, petals often strongly recurved, banner recurved through 30–130°, keel apex obtuse, acute, or triangular, sometimes beaklike.

tubes usually campanulate, rarely cylindric.

25–32 × (3–)3.5–5.2 mm;

stipe 4–9 mm.

persistent or eventually deciduous, continuous with receptacle, sessile, subsessile, or stipitate, usually declined or pendulous, rarely spreading, ascending, or erect, linear-oblong to linear-oblanceoloid, ellipsoid, ovoid-ellipsoid and bladdery, compressed laterally or dorsiventrally, or 3-sided or 4-sided, usually unilocular, rarely semibilocular.

8–42.

basifixed.

distinct or connate (±) proximally.