Flora of North America species comparison

usually prostrate or weakly ascending, sometimes erect, 0–20 cm, internodes often concealed by stipules, densely strigose-strigulose.

ascending to erect, villous.

2–13 cm;

stipules sometimes connate-sheathing at proximal nodes, 2–13 mm, submembranous becoming papery;

leaflets (1–)5–21, blades elliptic to obovate or oblanceolate, 3–20 mm, apex obtuse to acute, surfaces strigose.

(6–)9–17 cm;

stipules reflexed, connate-sheathing at proximal nodes, distinct at distal nodes, 10–22 mm, foliose becoming papery-membranous;

leaflets (7 or)9–15, blades broadly lanceolate- or ovate-oblong or elliptic, 15–60 mm, thin, pinnately veined, apex obtuse, surfaces sparsely villous abaxially, glabrous adaxially.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

10–25(–30)-flowered;

axis 2–5 cm in fruit;

bracts 4–9 mm;

bracteoles 0 or 2.

ascending, (1–)2–15(–20) cm.

erect, (3.5–)5–14(–19) cm, equaling or shorter than subtending leaf, sometimes exceeding proximal ones, together with racemes usually not longer than distalmost leaves.

0.6–2.5 mm.

3–9 mm.

10.3–27(–28) mm;

calyx usually purplish, cylindric, campanulate, or cylindro-campanulate, 6.3–14.2 mm, strigose, tube (3.4–)5.8–13.2 mm, lobes subulate, 1.1–3.7(–4.5) mm;

corolla usually pink-purple, rarely white;

banner recurved through 40°;

keel 8–23.6 mm.

8–13(–14.2) mm;

calyx campanulate, (4.5–)4.9–5.8 mm, glabrous, tube (4.3–)4.9–5.8 mm, lobes deltate (often reduced to shallow crenulations), 0.2–0.7 mm, ciliate;

corolla white or cream, keel 10.3–12.7 mm.

readily deciduous, ascending, green, sometimes mottled, usually incurved, crescentic, mostly dorsiventrally compressed, 15–40 × 5–12 mm, unilocular, distinctly beaked, fleshy becoming stiffly leathery or subligneous, walls much less than 1 mm thick, strigose.

stramineous, straight, obliquely ellipsoid, bladdery-inflated, 20–28 × 6.5–9.5 mm, papery, translucent, glabrous;

stipe 4.5–7 mm.

42–70.

6–9.

= 16.