Flora of North America species comparison

bright green (under vestiture).

ascending or decumbent, 1–9 cm underground, sparsely strigulose.

single or few from subterranean caudex, branches widely creeping, forming loose mats or colonial, decumbent, 7–30 cm, usually quite slender, 1–15 cm underground.

(2–)3.5–18 cm;

stipules distinct, 3–10 mm, submembranous, glabrous abaxially; petiolate or subsessile;

leaflets (11–)15–33, blades oblanceolate, oblong-oblanceolate, obovate, suborbiculate, or broadly oval to linear-elliptic, (2–)3–24 mm, apex obtuse, acute, subacute, or truncate-emarginate, sometimes apiculate, surfaces pubescent abaxially, glabrous or glabrescent adaxially.

(2.5–)5–12(–14) cm;

leaflets (15 or)17–29, blades narrowly elliptic to elliptic-obovate, (3–)5–18 mm, apex obtuse, obtuse and apiculate, or sometimes acute.

(5–)6–25(–35)-flowered, flowers ascending or slightly arched;

axis 1–7(–14) cm in fruit;

bracts 2.5–7.5 mm;

bracteoles 0–2.

6–14-flowered;

axis 1–4(–5) cm in fruit.

ascending to spreading, (1.5–)2–16 cm.

3–8(–11) cm.

2–7.5 mm.

2.8–4.5 mm.

(16–)16.5–25(–27) mm;

calyx usually broadly or deeply campanulate or cylindro-campanulate, rarely cylindric, (6.6–)7.7–14 mm, densely strigulose, pilosulous, ascending-pilose, or villosulous-tomentulose, tube (5.2–)5.6–9.7 mm, lobes subulate or triangular-subulate, (1.3–)1.7–4.2(–5.8) mm;

corolla pink-purple, red-purple, white, whitish (faintly lilac-tinged), lilac, ochroleucous, or suffused pinkish lilac;

keel (10.7–)12–20.7 mm.

calyx (7.5–)7.9–12.7 mm, strigulose, pilosulous, or ascending-pilose, hairs mixed black and white or all black, tube (5.3–)5.6–9.6 mm, lobes (2–)2.2–4 mm;

corolla lilac or pink-purple;

banner (18–)18.5–25(–27) × (6.5–)7–10(–11.2) mm.

green, often red-mottled or suffused with red on adaxial surface, becoming brown or blackish, straight, globose, subglobose, broadly and plumply oblong-ellipsoid, oblong-ovoid, or oblong-obovoid, ± obcompressed, 15–40 × 12–27 mm, fleshy becoming alveolate-spongy or pithy, wrinkled on drying, mesocarp at least 1.2 mm thick, glabrous.

globose or broadly and plumply oblong-ovoid or oblong-obovoid, 20–40 × 17–27 mm.

34–77.

34–50.

= 22.