Flora of North America species comparison

loosely strigulose or villosulous, hairs subappressed, spreading-incurved, or incurved-ascending, often sinuous, 0.3–0.7 mm.

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

low, prostrate to weakly ascending, slender, 2–12(–17) cm.

(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.

1–4 cm;

leaflets (5–)11–17, blades 2–10(–12) mm.

(3 or)4–16-flowered;

axis 0.5–7 cm in fruit;

bracts 1–3 mm;

bracteoles 0.

4–9(–11)-flowered;

axis 0.5–2(–2.5) cm in fruit.

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

0.5–2.5 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.

calyx 4.8–6 mm, tube 3.5–4.3 mm, lobes 1–1.7 mm;

corolla whitish or cream, sometimes lilac-tinged;

banner 9–12.8 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.

(15–)20–40(–55) × (8–)10–22(–26) mm, loosely and sparsely strigulose;

stipe 2.5–5.5(–6) mm.

(13–)15–30(–37).

21–27.