Flora of North America species comparison

erect or ascending, sparsely strigulose.

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

(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.

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.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

5–12-flowered;

axis 1.5–4 cm in fruit;

bracts 0.6–1.5 mm;

bracteoles 0.

(2–)4–11 cm.

ascending, 0.5–2.5 cm.

0.6–1.5 mm.

0.8–1.3 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.

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.

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, 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.

12–16.

6–11.