Flora of North America species comparison

prostrate to decumbent, finely cinereous, glabrous, or glabrate.

prostrate, mostly obconic crowns with thatch of stipules, or developed, to 4(–7) cm, internodes to 1 cm, villous-hirsute (white-felted), sometimes also tomentose.

2–8 cm;

stipules 2–6 mm, membranous or thinly herbaceous;

leaflets (7 or)9–19(or 21), blades obovate to oblong or oblanceolate to elliptic, 3–18 mm, apex truncate to retuse, obtuse, or mucronate, surfaces sparsely strigose abaxially, usually glabrous adaxially.

(3–)4–15 cm;

stipules mostly obscuring internodes, 3–8 mm, thinly herbaceous becoming papery-membranous;

leaflets (7–)11–19, blades obovate-cuneate, broadly elliptic, or suborbiculate, 4–14 mm, thick, apex usually obtuse or subtruncate, rarely subacute, surfaces villous-hirsute.

7–17-flowered, flowers ascending to spreading;

axis 0.5–4.5 cm in fruit;

bracts 1–3 mm;

bracteoles 2.

5–16-flowered, flowers loosely spreading-ascending;

axis (1–)2–7 cm in fruit;

bracts 2.5–5.5 mm;

bracteoles 2.

ascending or incurved, 1–4.5 cm.

ascending, (2.5–)5–13 cm.

0.3–2 mm.

0.8–3.1 mm.

9–15.5 mm;

calyx shortly cylindric, (3.3–)5–8 mm, strigose, tube 2.6–5 mm, lobes subulate, (0.6–)1–3 mm;

corolla usually purple, lilac, or whitish, rarely cream (concolorous), sometimes keel tips purple;

banner recurved through 45°;

keel 7.5–12 mm.

12–17.7 mm;

calyx short-cylindric to deeply campanulate, (5.5–)5.8–9.7 mm, villous-hirsute or villosulous, tube 5–7.3 mm, lobes broadly subulate, 0.8–2.7 mm;

corolla white, with dull lavender tinge, keel and wings tipped with dark purple;

banner recurved through 40°.

disjointing from receptacle when mature, ascending to declined, green, often red-mottled, becoming stramineous or purplish, curved through 0.25–0.5+ spiral, obliquely lanceoloid, dorsiventrally or 3-sided compressed, (20–)25–40 × (2.5–)3–8.5 mm, unilocular to semibilocular, fleshy becoming leathery or stiffly papery, strigose;

sessile.

ascending or incurved-ascending (humistrate), brownish stramineous, not mottled, incurved through 0.5+ spiral, obliquely lanceoloid-acuminate, ± dorsiventrally compressed, laterally compressed at both ends, obcompressed at middle, (15–)20–55 × 6–16 mm, unilocular, fleshy becoming leathery or subligneous, strigulose.

14–30.

26–49.