Flora of North America species comparison

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

prostrate-ascending, hirsute.

(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.

5–15 cm;

stipules 3–6 mm, herbaceous;

leaflet blades oblong-obovate or -ovate, 4–17 mm, apex retuse, surfaces hirsute.

(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.

5–15-flowered;

axis scarcely elongating;

bracts 1.5–3 mm;

bracteoles 0.

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

1.5–4 cm.

2–7.5 mm.

0.6–1 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.

5–6.5 mm;

calyx 5–6.5 mm, densely white or white and black hairy, lobes filiform, 2–5 mm (longer than tube);

corolla keel 5–6.5 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.

blackish brown at maturity, coiled through 0.75–1.25 spiral into a ring, 6–8 mm diam., 2–3 mm wide, papery, grooved dorsally, sparsely hirsutulous.

34–77.

= 16.