Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

prostrate, gray-pilosulous.

mostly reduced to phyllodia, few with leaflets, 0.8–10 cm;

stipules connate-sheathing throughout, 2–7 mm, papery-scarious;

leaflets 0(or 3–5), blades (phyllodia) oblanceolate to linear, 4–30 mm, apex acute, mucronate, or spinulose, surfaces strigose;

terminal leaflet often confluent with rachis.

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.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

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

axis 0.3–1 cm in fruit;

bracts 0.5–1.2 mm;

bracteoles 0.

erect or ascending, outer ones often prostrate in fruit, 0.4–9 cm.

0.3–0.7 cm, often paired at a node.

0.3–1.7 mm.

0.8–1.8 mm.

5.7–9.5 mm;

calyx 2.6–5 mm, strigose, tube 1.9–3.4 mm, lobes subulate, 0.5–2.5 mm;

corolla pink purplish to ochroleucous or whitish;

banner recurved through 45°;

keel 4–6 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.

erect, pale green tinged purple, with red-mottle, becoming brown or stramineous, straight or slightly curved, lanceoloid to lanceoloid-oblong, 2-sided, laterally compressed, 4–13 × 1.5–3.3 mm, papery, usually strigose, rarely glabrous;

sessile.

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.

4–12.

2 or 3.

= 24.