Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

sprawling-decumbent, 1–20 cm underground, sparsely to densely pilose.

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.

2.5–11.5(–15) cm;

stipules distinct throughout, 1.5–7 mm, scarious at proximal nodes, herbaceous at distal nodes; short-petiolate or subsessile;

leaflets (11–)15–29, blades usually broadly to narrowly elliptic or oblong, rarely oblong-obovate, (2–)4–13(–17) mm, apex usually obtuse or acute, rarely truncate-emarginate, surfaces sparsely pilose or glabrescent, sometimes glabrous adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

(3–)6–15-flowered, flowers ascending or spreading;

axis 0.7–2.5(–3.2) cm in fruit;

bracts (2–)3–7.5 mm;

bracteoles (0 or)2.

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

ascending, (1–)2–8(–9) cm.

0.3–1.7 mm.

1.4–2.8 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.

(14.3–)16.5–20(–21.5) mm;

calyx purplish, deeply campanulate, 7.8–12.2(–13.7) mm, pilose or shortly pilosulous, tube 5.4–7.8 mm, lobes subulate or lanceolate-subulate, (2–)2.6–4.7(–6.1) mm;

corolla pink-purple or lilac-purple, sometimes pale, wings and keel maculate;

keel (11.5–)12–15.5(–16) mm.

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.

long persisting then finally disjointing from receptacle, green, often purple-mottled, straight, obliquely ovoid-oblong or subglobose, ± obcompressed, 10–17(–20) × 10–13 mm, bilocular, fleshy becoming stiffly leathery, mesocarp 1.5–2 mm thick, not separated into 2 layers, strigulose or pilosulous.

4–12.

(28–)32–48(–52).

= 24.