Flora of North America species comparison

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

rarely more than 15, erect, ascending, prostrate, or decumbent, glabrate, sparsely strigulose, villosulous, or pilose.

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.

1–6.5(–9.5) cm;

stipules (1–)1.5–6(–9) mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (5 or)7–19(–23), blades linear-elliptic and linear-oblong to obovate, 2–14(–17) mm, apex acute to emarginate, surfaces pubescent abaxially, glabrous or pubescent adaxially.

2–13-flowered, flowers ascending;

axis (0.5–)1–6.5 cm in fruit;

bracts 2.5–8 mm;

bracteoles 0–2.

(1 or)2–10(–27)-flowered, flowers ascending to declined;

axis 0–2(–)3 cm in fruit;

bracts 0.5–2.5 mm;

bracteoles 0 or 1.

ascending, (1–)2–15(–20) cm.

erect or incurved-ascending, (0.2–)0.5–9(–10) cm.

0.6–2.5 mm.

0.4–1.6 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.

3.7–13 mm;

calyx (1.7–)3–5.6(–5.7) mm, strigulose, hirsutulous, or pilose, tube (1–)1.3–3.1 mm, lobes linear-setaceous to narrowly lanceolate, (0.7–)1–3.2 mm;

corolla whitish, lilac, or pink-purple;

banner recurved through 40–45°;

keel 3.7–6.8(–9.3) mm, apex obtusely round to sharply deltate, beaklike or not.

glabrous.

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.

ascending, spreading, or declined, green or purple-tinged becoming stramineous or brownish then black, ± straight or incurved through 0.3–0.5 spiral, linear or linear-oblanceoloid, 3-sided compressed, dehiscent on plant, (7–)10–26 × (1.6–)2.1–3.5 mm, usually bilocular, rarely ± unilocular, thin becoming papery, glabrous, strigulose, or villosulous, hairs straight;

stipe (0–)0.5–0.9 mm.

42–70.

10–22.