Flora of North America species comparison

usually 3–10, decumbent to ascending, strigulose.

erect or ascending, usually strigulose, rarely glabrous.

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.

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–)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.

7–35-flowered, flowers ascending;

axis 3–30 cm in fruit;

bracts 1–3 mm;

bracteoles 0–2.

divaricate, 1–4(–5.5) cm.

strict, 6–25 cm.

0.6–1.8 mm (in fruit).

0.8–3.5 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.

(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.

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.

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.

(6–)8–14.

14–26.

= 28.