Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

erect or ascending, strigulose, canescent, cinereous, or greenish cinereous.

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.

dimorphic, some unifoliolate distally and reduced to phyllodia, continuous with rachis, 2–10 cm;

stipules distinct throughout, 1–7 mm, papery at proximal nodes, herbaceous at distal nodes;

leaflets (1 or)3–19, blades linear, oblong, cuneate-oblong, or ovate, (3–)4–20 mm, apex acute, obtuse, truncate or retuse, surfaces strigose;

terminal leaflet decurrent distally, not jointed to rachis.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

(2–)5–30-flowered, flowers spreading-declined;

axis 3–20 cm in fruit;

bracts 0.5–3.2 mm;

bracteoles 0.

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

erect or incurved-ascending, (4–)6.5–30 cm.

0.3–1.7 mm.

0.8–2.5 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.

12–19 mm;

calyx purplish, cylindric, 4.5–8 mm, strigose, tube 4–6.7 mm, lobes broadly subulate, 0.6–2.3 mm;

corolla pink-purple;

banner recurved through 35–50°;

keel 9–13 mm, apex bluntly or sharply deltate.

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.

pendulous, green or reddish becoming stramineous, straight or gently decurved, oblong to oblanceoloid, strongly compressed, flattened laterally, 19–35 × (3–)3.5–6 mm, stiffly papery, glabrous;

stipe 4–11 mm.

4–12.

14–20.

= 24.