Flora of North America species comparison

erect or ascending, usually strigulose, rarely glabrous.

decumbent to incurved-ascending or erect, densely gray-villous, densely white-tomentose basally.

distally unifoliolate or reduced to phyllodia, 2–10 cm;

stipules connate-sheathing and papery-scarious at proximal nodes, distinct and herbaceous at distal nodes, 1.5–6.5 mm;

leaflets (0 or 1–)3–13, blades linear-filiform to oblong, 3–30 mm, margins involute, apex obtuse to acute, surfaces strigose abaxially, strigose or glabrous adaxially;

terminal leaflet of compound leaves sometimes decurrent distally, not jointed to rachis.

(2–)3–10 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, (1.5–)2–7 mm, scarious proximally, herbaceous distally;

leaflets (9–)13–21, blades elliptic-oblanceolate to oval-obovate, 3–10(–14) mm, apex acute to abruptly short-acuminate, apiculate, or obtuse, surfaces villosulous or villous abaxially, glabrate adaxially.

7–35-flowered, flowers ascending;

axis 3–30 cm in fruit;

bracts 1–3 mm;

bracteoles 0–2.

12–20(–26)-flowered, flowers ascending becoming declined;

axis 2.5–8 cm in fruit;

bracts 2–4 mm;

bracteoles 0.

strict, 6–25 cm.

erect or incurved-ascending, (2–)3–7 cm.

0.8–3.5 mm.

0.6–1.7 mm.

(13–)14–20 mm;

calyx 4.6–8 mm, strigose, tube 4.1–6.4 × (2.6–)3–3.9 mm, lobes subulate, 0.5–2 mm;

corolla pink-purple and wing tips white, or greenish yellow or whitish;

keel (9.5–)10.5–13.5 mm.

9–14.5 mm;

calyx campanulate, 6.2–8.2 mm, villous, tube 3.5–4.3 mm, lobes subulate or setaceous, 2.4–4.3 mm;

corolla whitish or ochroleucous, tinged or veins purple;

banner recurved through 45°;

keel 6.6–9 mm, apex bluntly deltate.

erect, green sometimes purple-mottled becoming stramineous, straight or slightly incurved, oblong, slightly compressed laterally, bicarinate, 13–25 × 3.7–9 mm, stiffly leathery to somewhat woody, glabrous or strigose;

sessile.

spreading to declined, stramineous, gently incurved or falcate, obliquely oblong, linear-oblong, or narrowly lanceoloid, 3-sided compressed, (10–)12–18 × 3–4.5 mm, thin becoming papery, villous or villous-villosulous.

14–26.

(10–)12–16.

= 24.