Flora of North America species comparison

erect or ascending, sparsely strigulose.

to 6 cm, internodes ± obscured by stipules, densely villosulous and hirsute.

2–15 cm;

stipules 1.5–5 mm, papery-scarious at proximal nodes, subherbaceous at distal nodes;

leaflet blades linear, linear-oblanceolate, or filiform, 5–30 mm, apex acute, subacute, or, often, mucronate, surfaces silvery-canescent, more densely so adaxially;

terminal leaflet sometimes decurrent distally, not jointed to rachis.

4–12 cm;

stipules 3.5–7 mm, submembranous becoming papery;

leaflets 11–17, blades elliptic to obovate, 2–14 mm, apex short-acuminate to acute, surfaces strigulose-villosulous, hairs ascending, dull.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

5–10-flowered, flowers ascending;

axis 0.5–2 cm in fruit;

bracts 3–6 mm;

bracteoles 0–2.

erect, 3–25 cm.

ascending, 2–5.5 cm.

0.7–4 mm.

2–3 mm.

14.5–26 mm;

calyx 7.9–13.7 mm, strigulose, tube 6.5–10 mm, lobes lanceolate-subulate, 1.5–4.3 mm;

corolla keel 12.8–18.5 mm.

18–22.5 mm;

calyx cylindric, 8.4–12 mm, villous, tube 6.2–7.5 mm, lobes subulate, 2–4 mm;

corolla whitish suffused with pale purple, keel tip purple;

banner recurved through 40°;

keel 12–13.3 mm, 4.5–9 mm shorter than banner.

firmly attached to receptacle, falling while still attached to pedicel, stramineous, straight or slightly incurved, obliquely ovoid or plumply oblong, 15–31 × 5–12 mm, fleshy becoming woody, glabrous;

septum (0–)1–2.5(–4) mm wide.

ascending (not humistrate), sessile or substipitate, incurved, ovoid-ellipsoid, obcompressed, 10–20 × 5–10 mm, unilocular, fleshy becoming stiffly leathery, densely hirsute, hairs lustrous, concealing surface, longest 2–2.5 mm.

14–16.