Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

erect or ascending, sparsely to densely 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.

(3–)4.5–18 cm;

stipules 3–11 mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflets 11–25, blades ovate, oblong, elliptic, or narrowly oblong to linear, 5–26 mm, apex obtuse to retuse, surfaces strigose abaxially, usually glabrous adaxially, sometimes glabrate.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

(7–)10–26(–30)-flowered, flowers ascending to declined;

axis 4–10(–15) cm in fruit;

bracts 1.5–4 mm;

bracteoles 0–2.

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

erect, (1.5–)2.5–17(–35) cm.

0.3–1.7 mm.

spreading in fruit, 0.7–3.5 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.

12–20 mm;

calyx short-cylindric, 5.4–9.5 mm, strigose, tube 4.4–8 mm, lobes triangular to subulate, 0.7–2.6 mm;

corolla ochroleucous, tinged pink, purplish, pink-purple, or red-violet, keel maculate or immaculate;

banner recurved through 45°;

keel 9.4–14.4 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.

usually erect, rarely deflexed, green or suffused or speckled with purple becoming brownish stramineous, oblong to ellipsoid, 3-sided compressed, grooved dorsally, keeled ventrally, 12–27(–30) × 3.5–8(–9) mm, base cuneate, ± bilocular, fleshy becoming thinly or stiffly leathery, glabrous;

septum 0.5–1.2 mm wide;

stipe 6–15(–17) mm.

4–12.

17–32.

= 24.

= 22, 24.