Flora of North America species comparison

erect or ascending, sparsely strigulose.

usually 3–10, decumbent to ascending, 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.

2–5(–6) cm;

stipules distinct, 1.5–4 mm, papery at proximal nodes, herbaceous or submembranous at distal nodes;

leaflets (5 or)7–13, blades oblong-obovate, -ovate, or obovate-cuneate, (2–)3–12 mm, apex obtuse, truncate, or retuse, surfaces glabrous.

(3–)5–25-flowered;

axis 2–20 cm in fruit;

bracts 1.5–4 mm;

bracteoles 2.

(3–)7–15-flowered, flowers ascending becoming spreading, later declined;

axis (0.4–)1–3.5(–4.5) cm in fruit;

bracts 0.8–1.8 mm;

bracteoles 0.

erect, 3–25 cm.

divaricate, 1–4(–5.5) cm.

0.7–4 mm.

0.6–1.8 mm (in fruit).

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.

6.7–9.1 mm;

calyx campanulate, 3.5–4.5 mm, strigulose, tube 2–2.6 mm, lobes lanceolate-subulate, 1.3–1.9 mm;

corolla whitish, banner with lavender veins;

banner incurved through 45°;

keel 4.1–5.7 mm, apex obtuse, sometimes obscurely beaklike.

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.

deflexed or declined, purplish green becoming stramineous then brownish, lunately incurved, usually obliquely linear-oblong, oblanceoloid, or semi-ellipsoid, rarely semi-ovoid, somewhat inflated, almost bladdery, usually ± 3-sided compressed, (10–)15–28 × 3–9 mm, unilocular or subunilocular, thin becoming papery-membranous, translucent, sparsely and minutely strigulose, hairs straight, appressed;

seed-bearing flange to 2.5 mm wide, septum 0.5–1 mm.

(6–)8–14.

= 28.