Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

erect or ascending, diffuse, 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.

7–15 cm;

stipules 6–10 mm, herbaceous;

leaflet blades oblong-elliptic to lanceolate, 14–30 mm, apex obtuse to apiculate, surfaces sparsely strigulose abaxially, glabrous adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

7–15-flowered;

axis 2–5 cm in fruit;

bracts 2–4 mm;

bracteoles 2.

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

erect, 2–6 cm.

0.3–1.7 mm.

3–4 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.

13–15 mm;

calyx marcescent, 5–7 mm, glabrous, tube 3.5–5 mm, lobes broadly subulate, 1.5–2.5 mm;

keel 13–15 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.

brownish, slightly convex, 10–15 × 6–10 mm, subligneous becoming transversely rugose, glabrous;

stipe 6–8 mm.

4–12.

= 24.