Flora of North America species comparison

obscured by marcescent leaf bases and stipules.

ascending, in clumps, sparsely 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–)4–12(–14) cm;

stipules (1–)1.5–4 mm, submembranous becoming papery;

leaflets (7–)11–17(or 19), blades lanceolate or oblong-elliptic, (3–)5–20(–25) mm, apex obtuse or retuse, surfaces strigulose, densely so adaxially.

densely 1–11-flowered;

axis 0.2–3.5 cm in fruit;

bracts 0.5–4 mm;

bracteoles 0.

10–25-flowered, flowers ascending (to spreading);

axis (2.5–)4–15(–17) cm in fruit;

bracts 1–1.7 mm;

bracteoles 0–2.

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

arising from stem distally, erect or incurved-ascending, (1.5–)3–10 cm, together with racemes much shorter than stems.

0.3–1.7 mm.

0.4–2 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.

7.1–10.2 mm;

calyx campanulate, 3.6–6.7 mm, strigulose, tube 2.7–4.1 mm, lobes subulate, 0.9–3 mm;

corolla pale to dark lilac;

banner recurved through 45–80°;

keel 6.8–9.4 mm, apex sharply triangular.

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.

erect or incurved-ascending, pale or purple-tinged becoming stramineous, straight or slightly incurved, narrowly oblanceoloid, 3-sided compressed, (20–)25–31 × 3.7–5 mm, thin becoming papery, glabrous;

gynophore stout, 0.7–1.5 mm.

4–12.

19–28.

= 24.