Flora of North America species comparison

erect or ascending, sparsely strigulose.

ascending or prostrate, finely 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.

2.5–7 cm;

stipules 1.5–3 mm, herbaceous becoming papery at proximal nodes, herbaceous at distal nodes;

leaflets (7 or)9–21, blades oblong-obovate to linear-oblong or -elliptic, 2–10 mm, apex obtuse to subacute or retuse, surfaces strigulose abaxially, strigulose, glabrous, or glabrate adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

5–15-flowered;

axis 1–8 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0.

(2–)4–11 cm.

ascending, 1.5–8(–10) cm.

0.6–1.5 mm.

0.8–1.7 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.

6.5–10 mm;

calyx 3.4–4.8 mm, strigose, tube 2.2–2.8 mm, lobes lanceolate-subulate, 0.9–2.2 mm;

corolla yellowish, yellowish white and lightly tinged rose, or greenish ochroleucous, banner violet-veined;

banner recurved through 45–85°;

keel 4.6–6.4 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.

pendulous, brown or stramineous, lunate, lanceoloid-ellipsoid, 3-sided compressed, 12–25 × 2.6–4 mm, papery, strigulose-villosulous;

septum 1.3–2.4 mm wide;

stipe 2.5–5 mm.

12–16.

11–16.