Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

erect or ascending, densely silvery white-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.

(2.5–)5–15(–16.5) cm;

stipules 1.5–5 mm, papery;

leaflet blades linear or linear-oblong, (3–)5–25(–34) mm, apex truncate-emarginate or subacute, surfaces sparsely strigulose abaxially, densely silvery white-strigulose adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

(4 or)5–20(–28)-flowered;

axis (2–)3–13 cm in fruit;

bracts 0.7–2.5 mm;

bracteoles 2.

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

erect, (5–)7–20 cm.

0.3–1.7 mm.

0.9–3 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.

15–22 mm;

calyx 5.5–9.5 mm, strigose, tube 3.6–5 mm, lobes subulate, (1.5–)1.8–4.3 mm;

corolla keel 10.7–15.3 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 or stramineous, strongly laterally compressed, 12–28 × 4–7.5 mm, fleshy becoming leathery or subligneous, glabrous;

septum 3.5–6 mm wide; stipitate (stipe 4–8 mm).

4–12.

= 24.