Flora of North America species comparison

ascending or decumbent, sparsely villosulous.

erect or ascending, with 5–10 well-developed internodes, glabrous or glabrate.

2.5–8 cm;

stipules distinct, 2–4 mm, herbaceous;

leaflets 13–21, blades narrowly oblanceolate to oblong-oblanceolate, 4–13(–18) mm, thin, apex often retuse, sometimes obtuse, surfaces sparsely villosulous abaxially, sparsely villosulous or glabrescent adaxially.

(4.5–)7–17 cm;

stipules 0.5–2.5 mm, papery-membranous at proximal nodes, herbaceous and membranous-margined at distal nodes;

leaflet blades narrowly oblong, lanceolate-elliptic, narrowly oval, or sublinear, (3–)6–26 mm, apex retuse to obtuse, surfaces sparsely strigulose-pilosulous or, sometimes, glabrous adaxially or ciliate.

(1 or)2–7-flowered, flowers ascending becoming declined;

axis 0.5–3.5 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0–2.

(12–)15–40-flowered;

axis 5–15(–18) cm in fruit;

bracts 1–3 mm;

bracteoles 0.

incurved-ascending, 2–4.5 cm.

erect or incurved-ascending, 6–15 cm, together with racemes shorter than stems.

1–2.5 mm.

0.6–3 mm.

5.2–6 mm;

calyx campanulate or obconic-campanulate, 3.4–4.2 mm, villosulous, tube 1.7–2 mm, lobes narrowly lanceolate-subulate, 1.4–2.5 mm;

corolla pale lilac, or whitish and tips lilac;

banner recurved through 90°;

keel 3.6–4.3 mm, apex round or narrowly triangular and beaklike.

(13.5–)14.4–18.8 mm;

calyx (5.7–)6–8.3 mm, strigulose, tube (4.7–)5–6.3 mm, lobes triangular to subulate, 1–2.3 mm;

corolla banner recurved through 40°;

keel 12.5–15 mm.

spreading or declined, greenish, sometimes purplish, becoming stramineous, straight or slightly incurved, obliquely ovoid or ovoid-ellipsoid, bladdery-inflated, somewhat obcompressed, 10–22 × 5–14 mm, thin becoming papery-membranous, sparsely strigose-villosulous, hairs spreading, incumbent or curly.

brownish stramineous, strongly incurved, 23–31 × 4.5–6 mm, fleshy becoming stiffly leathery or subligneous, glabrous;

septum 0.8–1 mm wide.

18–22.