Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

ascending and radiating, to 6(–9) cm underground, strigulose.

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.

5–10 cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, (3–)5–11 mm, membranous; petiolate;

leaflets 19–27, blades elliptic or elliptic-obovate, 7–16 mm, apex shallowly emarginate, surfaces sparsely strigose abaxially, glabrous or glabrescent adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

10–16-flowered, flowers ascending to spreading;

axis 1–2 cm in fruit;

bracts 6–10 mm;

bracteoles 2.

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

ascending, 4.5–7.5 cm.

0.3–1.7 mm.

2–2.5 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.

17–19 mm;

calyx purplish, short-cylindric, 9–10.5 mm, sparsely pilosulous, tube 7–8.5 mm, lobes subulate, 2 mm;

corolla bright pink-purple;

keel 13–14 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.

pale green or reddish becoming stramineous suffused with brown-purple, straight, globose to plumply oblong-ellipsoid, terete or slightly dorsiventrally compressed, 14–26 × 12–16 mm, bilocular, somewhat fleshy, glabrous;

valves differentiated into double envelope separated by air space 1.5–2 mm wide.

4–12.

26–28.

= 24.