Flora of North America species comparison

erect or ascending, sparsely strigulose.

prostrate, when developed, to 8 cm, internodes often obscured by stipules, strigulose.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

1–12 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 1.5–7 mm, submembranous becoming papery-scarious;

leaflets (3–)7–17, blades elliptic to oblanceolate or obovate, 2–13 mm, apex acute to obtuse, surfaces strigose abaxially, strigose or glabrate adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

3–16(–18)-flowered, flowers ascending to declined;

axis 0.4–13 cm in fruit;

bracts (1–)1.5–5 mm;

bracteoles 0–2.

(2–)4–11 cm.

erect and ascending, 0.5–13 cm.

0.6–1.5 mm.

0.5–1.4(–2) mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

6–9 mm;

calyx campanulate, 3.5–6 mm, strigose-pilose, tube 2.5–4.2 mm, lobes subulate, 0.8–2.6 mm;

corolla pink-purple or bicolored;

keel 5.9–12.5 mm.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

declined to deflexed, green, usually red-mottled or -spotted, becoming stramineous, ± straight or lunately to very strongly incurved through 0.75(–1) spiral, obliquely ovoid to lanceoloid-ellipsoid, dorsiventrally compressed, 6–19 × 3–6 mm, unilocular, papery-membranous, hirsute, hairs lustrous;

sessile, gynophore 0–1.2 mm.

12–16.

16–28.