Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

decumbent or weakly ascending, strigulose-villosulous.

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.

4–9 cm;

stipules distinct, 2–4 mm, submembranous;

leaflets (11–)15–19(–23), blades oval, elliptic-obovate, or broadly oblanceolate, (4–)5–18 mm, apex obtuse or shallowly retuse, surfaces pubescent abaxially, glabrescent adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

loosely 5–9-flowered, flowers ascending becoming declined;

axis 1.5–5.5 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0–2.

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

incurved-ascending, (3–)4–6.5 cm.

0.3–1.7 mm.

2–4 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.

9.5–11 mm;

calyx campanulate, 6.7–7.8 mm, loosely strigulose, tube 3.7–3.9 mm, lobes slenderly subulate, 2.8–4 mm;

corolla greenish white, often tinged or veined dull lilac;

banner abruptly recurved through 90°;

keel 7.8–8.9 mm, apex triangular, subacute, often obscurely beaklike.

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.

loosely spreading, declined, or ascending, pale green and purple-cheeked becoming stramineous, straight, subsymmetrically ellipsoid or ovoid-ellipsoid, bladdery-inflated, somewhat obcompressed, 25–40 × 13–17 mm, thin, translucent, lustrous, glabrous or strigulose.

4–12.

(27–)30–39.

= 24.