Flora of North America species comparison

decumbent to ascending, strigulose.

several to many.

(2.5–)4–10 cm;

stipules 1.5–2.5 mm, papery at proximal nodes, herbaceous or with herbaceous tips at distal nodes;

leaflets (5 or)7–13, blades broadly oblong-elliptic to lanceolate-oblong or linear-elliptic, 2–10(–15) mm, apex obtuse to truncate, shallowly retuse, or subacute, surfaces strigulose abaxially, sparsely strigulose or glabrous adaxially.

odd-pinnate, usually petiolate, rarely short-petiolate or subsessile;

leaflets (5 or)7–41.

(3–)6–14-flowered, flowers ascending;

axis (1–)2–8 cm in fruit;

bracts 0.8–2.5 mm;

bracteoles 0–2.

loosely flowered, sometimes initially densely flowered, flowers usually ascending, spreading, or nodding, rarely declined; length of peduncle and raceme combined usually exceeding stem length, sometimes shorter.

straight, sometimes incurved-ascending, 3–15 cm.

0.5–2.2 mm.

7–10.5 mm;

calyx short-cylindric, (3.1–)3.6–5.5 mm, strigulose, tube (2.3–)2.8–4 mm, lobes triangular to subulate, 0.4–1.6 mm;

corolla ochroleucous or whitish suffused with lilac;

banner recurved through 45°;

keel (6.3–)7–10 mm, apex triangular and beaklike.

whitish, greenish white, cream, ochroleucous, pink, or purple with pale wing apices, banner 40–90°, keel apex usually round or narrowly triangular, sometimes sharply deltate or beaklike.

tubes short-cylindric or campanulate.

persistent on receptacle until well after maturity, falling while still attached to pedicel, erect, stramineous, straight, linear-oblong, obtusely 3-sided compressed, 10–25 × 2.4–3.3 mm, ± bilocular, thinly fleshy becoming leathery, strigulose;

septum 1–1.4 mm wide;

sessile or subsessile.

persistent, sessile or stipitate, usually erect or incurved-ascending, rarely deflexed, ovoid, oblong-ovoid to ellipsoid, or linear-oblong or -oblanceoloid, obcompressed or dorsiventrally or 3-sided compressed or subterete, unilocular or ± bilocular.

14–23.

14–36.

basifixed or malpighian.

distinct.