Flora of North America species comparison

reduced to thick crowns.

obscured by stipules and marcescent leaf bases.

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.

unifoliolate or palmately trifoliolate, 1–3.5 cm;

stipules sometimes ruptured in age, 7–12 mm, hyaline;

leaflet blades spatulate to elliptic, (3–)5–9 mm, apex acute to subacute, surfaces silvery-pilosulous.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

1- or 2-flowered, capitate;

axis obsolete or very short;

bracts sometimes tridentate, 3–6 mm;

bracteoles 2.

0.5–11 cm.

subobsolete.

1.4–5 mm.

subobsolete.

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.

12.3–17 mm;

calyx 8.3–10.5 mm, loosely villous, tube 5.9–6.5 mm, lobes linear to narrowly subulate, 2.4–4.2 mm;

corolla whitish to ochroleucous, petals glabrous abaxially;

banner differentiated into blade and claw, with shoulderlike projections at middle;

keel 11.1–12.8 mm.

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.

green, straight or slightly decurved, narrowly ellipsoid, 7–10 × 2.5–3 mm, fleshy becoming leathery, densely strigose-hirsutulous.

27–40(–46).

11–14.