Flora of North America species comparison

erect or ascending, sparsely strigulose.

ascending or sprawling, sparsely 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.

(6–)8–20 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 10–20 mm, thinly herbaceous or foliaceous becoming papery;

leaflet blades ovate to oblong or broadly elliptic, 10–45(–60) mm, apex obtuse and apiculate, surfaces strigulose abaxially, glabrous adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

10–20-flowered;

axis (1–)1.5–3.5 cm in fruit;

bracts 2–6 mm;

bracteoles 0.

(2–)4–11 cm.

1.5–8 cm.

0.6–1.5 mm.

0.5–3 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.

11.5–13.5 mm;

calyx 5.2–6.5 mm, glabrate to sparsely strigulose, tube 3.5–4.2 mm, lobes subulate, 1.2–2.9 mm;

corolla keel 9.5–11 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.

brownish stramineous, (27–)30–37(–40) × 4–5 mm, fleshy becoming leathery, minutely strigulose;

stipe 2–3.5 mm.

12–16.

= 16.