Flora of North America species comparison

erect or ascending, sparsely strigulose.

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

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–)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.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

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

axis 2.5–8 cm in fruit;

bracts 2–4 mm;

bracteoles 0.

erect, 3–25 cm.

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

0.7–4 mm.

0.6–1.7 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.

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.

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.

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.

(10–)12–16.

= 24.