Flora of North America species comparison

ascending, erect, decumbent, or prostrate, sometimes diffuse, 2–6 cm underground, strigulose.

reduced to crowns.

(1–)1.5–10(–11) cm;

stipules connate-sheathing and papery at proximal nodes, connate or distinct and subherbaceous at distal nodes, 1–5 mm;

leaflets (5–)9–21, blades oblong-oblanceolate, elliptic, narrowly obovate, or linear-elliptic, 2–21 mm, apex obtuse to acute, surfaces usually strigulose, sometimes glabrescent or glabrous adaxially.

1.5–13 cm;

stipules 3.5–10 mm, firmly papery;

leaflets (1 or)3 or 5, blades elliptic to lanceolate, 5–35(–47) mm, apex acute to obtuse, surfaces strigose.

(3 or)4–16-flowered;

axis 0.5–7 cm in fruit;

bracts 1–3 mm;

bracteoles 0.

1–6-flowered, flowers erect-ascending;

axis 0.2–1.4 cm in fruit;

bracts 1.6–4 mm;

bracteoles 0.

incurved-ascending or erect, 1–9.5(–12) cm.

ascending, 0.5–7 cm.

0.5–2.5 mm.

1.2–4 mm.

(8.3–)9–17.2 mm;

calyx campanulate, 4.5–9.3 mm, strigulose, hairs white, sometimes also black, tube 3.5–5.9 mm, lobes triangular, 0.5–3.6 mm;

corolla ochroleucous, pinkish white, lilac, or pink-purple, wing tips often paler than banner;

banner recurved through 50–80°;

keel 7.3–13.8, apex narrowly triangular, acute or subacute, often slightly beaked.

(18.5–)20–28 mm;

calyx cylindric, 12–16 mm, strigose-pilose, tube 9.5–13.5 mm, lobes subulate, 1.5–4 mm;

corolla pink-purple;

banner recurved through 40°;

keel (18–)19–22.7 mm.

green, usually red- or purple-mottled, becoming stramineous, balloon-shaped, bladdery-inflated, 15–60(–75) × (8–)10–25(–35) mm, apex broad, round, beak obsolete, papery-membranous, translucent, glabrous or strigulose;

stipe 2–9 mm.

ascending to spreading (humistrate), green or purplish, incurved, obliquely ovoid, dorsiventrally compressed, 15–36 × 8–17 mm, unilocular, thickly succulent becoming alveolate-spongy, spongy-thickened cellular tissue 1.5–2 mm thick, hirsutulous to villous-hirsute, hairs spreading, 0.6–2 mm.

(13–)15–30(–37).

33–53.