Flora of North America species comparison

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

prostrate to ascending, internodes well developed, sparsely strigulose-villosulous.

(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.

4–6 cm;

stipules connate and scarious, 1.5–4 mm;

leaflets (9 or)11–23, blades oblong-oblanceolate, -elliptic, or narrowly obovate, 1–6 mm, apex obtuse, surfaces strigulose-villosulous abaxially, glabrous adaxially.

(3 or)4–16-flowered;

axis 0.5–7 cm in fruit;

bracts 1–3 mm;

bracteoles 0.

5–12-flowered;

axis 1.5–4 cm in fruit;

bracts 0.6–1.5 mm;

bracteoles 0.

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

ascending, 0.5–2.5 cm.

0.5–2.5 mm.

0.8–1.3 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.

4.5–5.5 mm;

calyx 2.8–4 mm, strigulose, tube 1.5–2 mm, lobes subulate, 1–1.8 mm;

corolla whitish, immaculate;

banner recurved through 90°;

keel 3.3–3.9 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.

pendulous, stramineous, lunate, oblong-ellipsoid, 3-sided compressed, 6–10.5 × 2–3 mm, thin becoming papery-membranous, finely strigulose;

septum 1 mm wide;

stipe 0.5–2.5 mm.

(13–)15–30(–37).

6–11.