Flora of North America species comparison

erect to ascending, strigulose.

prostrate to ascending and radiating, (0.5–)2–18(–24) cm underground, frequently exceeding aerial stem length, strigulose.

5–21 cm;

stipules 2.5–6 mm, papery at proximal nodes, subherbaceous at distal nodes;

leaflets (15–)19–27(or 29), blades oblong, oblong-oblanceolate, or linear-oblong to linear, 5–25 mm, apex truncate to retuse or apiculate, surfaces strigulose abaxially, glabrous adaxially.

1–5.5 cm;

stipules distinct throughout or shortly connate-sheathing at proximal nodes, 2–5 mm, subherbaceous;

leaflets closely spaced on rachis, blades obovate to elliptic or oblong, 1–12 mm, apex obtuse to retuse, surfaces gray-strigulose, sometimes glabrous adaxially.

10–20(–25)-flowered, flowers nodding;

axis (3–)5–27 cm in fruit;

bracts 1–3.5 mm;

bracteoles 0–2.

(1 or)2–10-flowered;

axis 0.3–1 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0.

erect, 8–20(–25) cm.

ascending, 0.5–4 cm.

0.7–4 mm, little, if any, clavate thickening in fruit.

1.2–3 mm.

13–15.5 mm;

calyx campanulate, 5.1–6.6 mm, strigulose-pilosulous, tube 3.8–4.9 mm, lobes subulate, 1–1.9 mm;

corolla white or cream, drying ochroleucous, immaculate;

banner recurved through 45–90°;

keel 10.2–11.8(–12.5) mm.

9–17 mm;

calyx 4.8–10.5 mm, strigulose, tube 3.5–7.6 mm, lobes subulate, 1.2–3 mm;

corolla white or ochroleucous, or banner and wings tinged lavender, keel tip pink or purplish;

keel 7.4–13.2 mm.

erect, greenish stramineous, straight, linear-oblong or narrowly oblong-ellipsoid, obtusely 3-sided, lateral face convex, dorsal face scarcely narrower, grooved or not, 14–24(–28) × 2.7–4.5 mm, ± bilocular, firm and scarcely fleshy becoming leathery, glabrous or strigulose;

septum 0.8–1.7 mm wide;

stipe (2.5–)3–6 mm.

pale green and red-cheeked, 15–38 × 8–23 mm, thin becoming papery, strigose;

gynophore 1–4.5 mm.

20–29.

= 22.