Flora of North America species comparison

usually ascending, rarely decumbent, 0–2 cm underground, strigulose to pilose-villosulous.

decumbent or weakly ascending, strigulose-villosulous.

2.5–12 cm;

stipules 1.5–6 mm, papery at proximal nodes, herbaceous or submembranous at distal nodes;

leaflets (5 or)7–17, blades lanceolate to oblong, (3–)5–30(–32) mm, apex obtuse or emarginate, surfaces usually strigulose, sometimes villous-pilosulous, cinereous, glabrate, or glabrous abaxially, glabrous, glabrescent, or sparsely strigose adaxially.

4–9 cm;

stipules distinct, 2–4 mm, submembranous;

leaflets (11–)15–19(–23), blades oval, elliptic-obovate, or broadly oblanceolate, (4–)5–18 mm, apex obtuse or shallowly retuse, surfaces pubescent abaxially, glabrescent adaxially.

(3–)5–25(–33)-flowered;

axis 1–18(–20) cm in fruit, elongating little after flowering, arising distal to middle of stem;

bracts 1–3.5 mm;

bracteoles usually 0.

loosely 5–9-flowered, flowers ascending becoming declined;

axis 1.5–5.5 cm in fruit;

bracts 1.5–2.5 mm;

bracteoles 0–2.

incurved-ascending or erect, 3.5–21(–23) cm, usually surpassing subtending leaf, together with racemes usually shorter than stems.

incurved-ascending, (3–)4–6.5 cm.

0.5–3 mm.

2–4 mm.

(6–)7.2–11.5 mm;

calyx 4–6.8 mm, strigulose, tube 3.2–4.5 mm, lobes subulate, 0.7–2.3 mm;

corolla usually purple, pink-purple, pink, lilac, lavender, or whitish, sometimes whitish with maculate keel;

wing apex obtuse;

keel 5.4–7.9 mm, shorter than wings.

9.5–11 mm;

calyx campanulate, 6.7–7.8 mm, loosely strigulose, tube 3.7–3.9 mm, lobes slenderly subulate, 2.8–4 mm;

corolla greenish white, often tinged or veined dull lilac;

banner abruptly recurved through 90°;

keel 7.8–8.9 mm, apex triangular, subacute, often obscurely beaklike.

pendulous, green or purplish, straight or slightly decurved, ellipsoid, obtusely 3-sided, faces slightly convex, flattened or depressed but not sulcate abaxially, 13–25 × 3.5–5.5 mm, subunilocular or semibilocular, papery-membranous, sparsely strigulose, hairs black or black and white;

valves inflexed as hyaline septum 0.2–2 mm wide;

stipe (0.5–)1.5–6.5 mm.

loosely spreading, declined, or ascending, pale green and purple-cheeked becoming stramineous, straight, subsymmetrically ellipsoid or ovoid-ellipsoid, bladdery-inflated, somewhat obcompressed, 25–40 × 13–17 mm, thin, translucent, lustrous, glabrous or strigulose.

6–11.

(27–)30–39.