Flora of North America species comparison

prostrate, gray-pilosulous.

erect to ascending, strigulose.

0.8–2.6 cm;

stipules distinct, 1–2.5 mm;

leaflets 7 or 9, blades folded, obovate-cuneate, 2–6 mm, apex emarginate, surfaces pilosulous.

4–10(–13) cm;

stipules connate-sheathing and papery-membranous at proximal nodes, connate or distinct and herbaceous at distal nodes, 0.5–4.5 mm;

leaflets 13–21, blades linear to linear-filiform, (5–)7–15(–17) mm, apex acute to obtuse, surfaces strigulose or adaxially glabrous;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

(3 or)4–7(or 8)-flowered, flowers declined;

axis 0.3–1 cm in fruit;

bracts 0.5–1.2 mm;

bracteoles 0.

becoming loosely (3–)4–14(–18)-flowered;

axis 1–8.5 cm in fruit;

bracts 0.8–1.5 mm;

bracteoles 0.

0.3–0.7 cm, often paired at a node.

erect or incurved-ascending, 5–15(–22) cm.

0.8–1.8 mm.

ascending, 1.2–3.5 mm.

4.8–5.3 mm;

calyx obconic-campanulate, 3.6–4.2 mm, white-pilosulous, tube 1.3–1.8 mm, lobes slenderly subulate, 1.3–1.8 mm;

corolla whitish, banner tinged or veins faint lilac;

banner recurved through 90°;

keel 3.3–3.6 mm, apex obtuse.

12.5–15.5 mm;

calyx campanulate, obliquely cuneate, 4–6.7 mm, silky-villous, hairs white, sometimes also black, tube 3.2–5.8 mm, lobes triangular, 0.5–1 mm;

corolla white, creamy white, or purplish, banner recurved through 40°;

keel 8–11 mm, apex bluntly deltate or triangular, often slightly beaklike.

spreading-declined, lunately ellipsoid-obovoid, laterally compressed, somewhat depressed but not grooved dorsally, lateral faces with shallow longitudinal groove, 4.5–5 × 2–2.5 mm, unilocular, sparsely pilosulous.

pale green, sometimes also red-mottled, becoming stramineous, straight or slightly curved, obliquely obovoid, semi-obovoid, or semi-ellipsoid, bladdery-inflated, 20–48 × 5–16(–22) mm, papery-membranous, translucent, apex differentiated into broad, low-deltoid beak, glabrous;

stipe (5–)8–12 mm.

2 or 3.

10–20.