Flora of North America species comparison

± obsolete, internodes obscured by stipules.

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

2–9 cm;

stipules 2–5 mm;

leaflets (5–)9 or 11, blades oblanceolate to obovate, (4.5–)5–11 mm, apex obtuse, surfaces strigose.

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.

3–8-flowered, flowers spreading-ascending;

axis 3–15 cm in fruit;

bracts 2–5 mm.

(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.

1.3–6 cm.

erect or divaricate, 3–9(–12) cm.

1–2.5 mm.

1–2.3 mm.

19–27 mm;

calyx cylindric, 10–11.5 mm, strigulose, tube 8.5–10 mm, lobes 1–2 mm;

corolla pink-purple, fading or drying ochroleucous;

banner recurved through 45°.

(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.

ascending (humistrate), green or purplish (not mottled), turgidly lanceoloid-ovoid (much broader basally), 15–25(–27) × 7–15 mm, unilocular, distinctly beaked, fleshy becoming alveolate-spongy, walls 1+ mm thick, exocarp and endocarp separated by thick, pulpy mesocarp, strigulose.

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.

38.

32–42.