Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

erect or ascending, 0–2.5 cm underground, sparsely villosulous or glabrous proximally.

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–)4–12 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, (1.5–)2–6 mm, scarious;

leaflet blades narrowly oblong-elliptic, oblanceolate, linear-oblong, or oblong-obovate, (3–)5–20(–23) mm, apex acute to subobtuse or retuse, surfaces villosulous.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

6–12(–14)-flowered;

axis 2.5–10 cm in fruit;

bracts 1.3–4.5 mm;

bracteoles 0–2.

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

erect or narrowly ascending, (4.5–)6–15 cm.

0.3–1.7 mm.

1–3.5 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.

15.4–18.8 mm;

calyx 8.8–11.8 mm, strigulose, tube 6.3–7.5 mm, lobes lanceolate-subulate, 2.5–4.3 mm;

corolla white or lilac-tinged, drying ochroleucous;

keel (9.8–)10–12.4 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.

ascending to divaricately spreading or somewhat declined, set at angle to stipe, stramineous or brownish, straight or slightly incurved, inflated, scarcely bladdery, (10–)13–24(–32) × 6–12 mm, thinly fleshy, glabrous;

stipe (4–)5–12 mm.

4–12.

= 24.

= 22.