Flora of North America species comparison

reduced to thick crowns.

decumbent to erect, sparsely strigulose.

1.5–14(–15) cm;

stipules (2.5–)4–11 mm, submembranous becoming scarious or papery;

leaflets 1–13(or 15), blades obovate to elliptic, oblanceolate, or orbiculate, 3–20 mm, apex acute to obtuse or retuse, surfaces villous-tomentulose.

3–10 cm;

stipules distinct, 1–3 mm, papery at proximal nodes, submembranous at distal nodes;

leaflets (11–)15–23, blades oblanceolate to elliptic or narrowly oblong to linear, 3–11 mm, apex obtuse to retuse or emarginate, surfaces glabrous or strigose on midrib abaxially and margins.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

loosely 5–15-flowered, flowers ascending to declined;

axis 1–5 cm in fruit;

bracts 1–2.2 mm;

bracteoles 0–2.

0.5–11 cm.

incurved-ascending, 1.5–5 cm.

1.4–5 mm.

1–3.4 mm.

14–32 mm;

calyx cylindric or campanulate, 7–20 mm, villous, tube 5–16 mm, lobes subulate to lanceolate, 1–4 mm;

corolla pink-purple;

banner recurved through 40°;

keel 12–26 mm.

5–8 mm;

calyx campanulate, 2.9–4.6 mm, strigose, hairs usually black, sometimes also white, tube 1.7–2.3 mm, lobes subulate, 1–2.4 mm;

corolla whitish or ochroleucous;

banner abruptly recurved through 100–110°;

keel 3.9–4.6 mm, apex bluntly deltate, often obscurely beaklike.

ascending (humistrate), brown-stramineous, incurved, obliquely ovoid, obcompressed, (13–)18–28(–36) × 7–13(–17) mm, unilocular, fleshy becoming leathery, sparsely hirtellous to densely villous-tomentose, usually concealing surfaces.

deciduous from receptacle, pendulous to spreading, green, sometimes purple-mottled, becoming stramineous, straight, subsymmetrically ovoid-ellipsoid, bladdery-inflated, slightly obcompressed, 15–28 × 9–17 mm, thin becoming papery-membranous, translucent, glabrous;

sessile or on a gynophore about as broad as long.

27–40(–46).

12–17.