Flora of North America species comparison

prostrate to ascending, strigulose.

erect or decumbent to ascending, ± strongly flexuose aboveground, (0–)2–6 cm underground, strigulose.

1.5–4.5 cm;

stipules 1.5–4.5 mm, papery-membranous at proximal nodes, herbaceous at distal nodes;

leaflet blades obovate, oblanceolate, or oblong-obovate, (2–)3–10 mm, apex obtuse to retuse, surfaces strigulose abaxially, glabrous adaxially.

30–100 cm;

stipules (1–)2–5 mm, membranous at proximal nodes, herbaceous at distal nodes;

leaflets (5–)9–15, blades elliptic-oblong, oblanceolate, or linear, 3–25 mm, apex usually obtuse or retuse, rarely subacute, surfaces strigulose.

6–15-flowered;

axis (1.5–)2.5–7 cm in fruit;

bracts 0.8–1.8 mm;

bracteoles 0–2.

(5–)8–20(–26)-flowered, flowers ascending becoming declined;

axis (1.5–)3–12(–17) cm in fruit, elongating;

bracts 2–3.5(–5) mm;

bracteoles 0–2.

divaricate and spreading-incurved, 2.5–7 cm.

erect or divaricate, 3–9(–12) cm.

0.8–2.5 mm.

1–2.3 mm.

8.6–10.8 mm;

calyx 3.7–5.8 mm, strigose, tube 2.4–3.7 mm, lobes subulate, 1.1–2.4 mm;

corolla keel 8.2–9.6 mm.

(12–)13.5–18 mm;

calyx pallid or purplish, cylindric or deeply campanulate, (5.8–)7.5–9 mm, strigulose, tube (4.6–)5.8–7.5 mm, lobes subulate or triangular-subulate, 1.2–1.8 mm;

corolla usually pink-purple and wing tips white, rarely white throughout;

keel 10.6–13.3 mm.

purplish, gently to strongly incurved to 0.5 spiral, 12–16 × 3.6–5 mm, incompletely bilocular, wider than high in cross section, fleshy becoming stiffly leathery, strigose, hairs ± 1 mm;

septum 0.6–1 mm wide;

stipe 2–5 mm.

promptly deciduous, deflexed, red- or brownish-mottled becoming stramineous or brownish, usually ± sigmoid-arcuate, rarely straight, lanceoloid-ellipsoid or oblong-ellipsoid, obcompressed, 20–55 × (5–)6–10 mm, fleshy becoming stiffly leathery, strigulose.

32–42.