Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

erect or ascending, 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.

5–15(–17) cm;

stipules connate-sheathing and bidentate at proximal nodes, distinct at distal nodes, 2.5–6 mm, scarious;

leaflet blades linear- or linear-oblong, 3–35 mm, apex acute or obtuse and mucronate, surfaces glabrous abaxially, glabrous or glabrate adaxially;

terminal leaflet sometimes 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.

35–60-flowered;

axis 4–8(–14) cm in fruit;

bracts 3–8 mm;

bracteoles 0–2.

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

erect, 9–17(–22) cm.

0.3–1.7 mm.

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.

14–17 mm;

calyx contracted apically, 10–11 mm, hirsute, hairs long, straight, tube to 14 mm, enclosing fruit, lobes subulate, 2–3 mm;

corolla keel 11.2–13 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.

deciduous within accrescent calyx, straight or slightly incurved, 6–7.5 × 3.5–4 mm, thinly fleshy becoming leathery, glabrous;

gynophore 1 mm.

4–12.

= 24.

= 24.