Flora of North America species comparison

erect or ascending, usually strigulose, rarely glabrous.

decumbent to ascending or erect, strigulose.

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.

3–10.5 cm;

stipules 4–9 mm;

leaflets 5–11, blades flat, rhombic-oval to obovate or elliptic, 6–35(–50) mm, apex mucronate, surfaces strigose or glabrous.

7–35-flowered, flowers ascending;

axis 3–30 cm in fruit;

bracts 1–3 mm;

bracteoles 0–2.

4–10-flowered, flowers ascending-spreading;

axis 0.5–2 cm in fruit;

bracts 2–6 mm;

bracteoles 0–2.

strict, 6–25 cm.

incurved, 3.5–7 cm.

0.8–3.5 mm.

2–5 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.

23–34 mm;

calyx 12–17.5 mm, strigulose, tube 11–14 mm, lobes subulate, 2–4 mm;

corolla ochroleucous (fading yellowish), or white (fading off-white);

banner recurved through 40°;

keel 22–23 mm, apex blunt.

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, pallid-stramineous or brownish, straight or slightly incurved, cylindroid, inflated, 20–48 × 9–15 mm, moderately fleshy-thickened, becoming stiffly papery to leathery, strigose;

unilocular;

subsessile or substipitate.

14–26.

55–59.