Flora of North America species comparison

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

prostrate to erect, (0.5–)2–20+ cm underground, strigose, glabrate, or glabrous.

(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.

1.5–7 cm;

stipules 2–4 mm, herbaceous becoming papery;

leaflets (5 or)7–13, blades lanceolate to elliptic or oblong, 2–9 mm, margins involute and long-ciliate, apex obtuse, surfaces strigose abaxially, glabrous adaxially.

(3 or)4–16-flowered;

axis 0.5–7 cm in fruit;

bracts 1–3 mm;

bracteoles 0.

2–10-flowered, flowers spreading to declined;

axis 0.2–0.5 cm in fruit;

bracts 1–3 mm;

bracteoles 0.

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

erect and ascending, reclined in fruit, 2–5 cm.

0.5–2.5 mm.

0.8–1.5 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.

6.2–7.5 mm;

calyx 2.8–3.6 mm, strigose, tube 2–2.5 mm, lobes subulate, 0.7–1.6 mm;

corolla ochroleucous or pink-purple, then wing tips same color;

keel 3.9–4.8 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.

pale green, red-mottled, becoming stramineous, ovoid, 9–18(–22) × 7–13(–15) mm, papery-membranous, opaque, strigose.

(13–)15–30(–37).

10–12.