Flora of North America species comparison

erect or ascending, sparsely strigulose.

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.

2–15(–17) cm;

stipules 3–11 mm, firm becoming papery;

leaflets (3 or)5–19, blades elliptic to oblong, 3–35 mm, apex acute, surfaces strigose, hairs gray or silvery.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

(1–)3–8-flowered, flowers ascending;

axis 0.2–2 cm in fruit;

bracts 4–8 mm;

bracteoles 0.

erect, 3–25 cm.

erect or incurved, 1–13(–14) cm.

0.7–4 mm.

1.2–3 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–)22–27 mm;

calyx cylindric, 10.5–16(–17) mm, pilose-villous, tube (7–)8–12(–13) mm, lobes subulate to narrowly lanceolate, 1.5–5.7 mm;

corolla usually ochroleucous, faintly to strongly suffused with purple, rarely pink-purple;

banner recurved through 40°;

keel 18–22 mm.

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 (humistrate), brown, incurved, obliquely lanceoloid-ovoid, obcompressed, 15–40 × 5–10(–12) mm, unilocular, fleshy becoming leathery or subligneous, villous-hirsute, surface visible through long, shining hairs.

26–36.