Flora of North America species comparison

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

obsolete (0–6 cm), internodes to 0.5 cm, mostly concealed by stipules, loosely strigulose.

(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.

1.5–7 cm;

stipules distinct throughout, imbricate, broadly ovate, 2–7 mm, mostly broader than stem, submembranous becoming papery-scarious;

leaflets 9–17, blades elliptic to obovate or oblanceolate, 2–8 mm, apex obtuse, surfaces strigulose abaxially, strigulose or glabrescent adaxially.

(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.

3–8(–11)-flowered, flowers ascending;

axis 0.5–2.5 cm in fruit;

bracts 1.5–4 mm;

bracteoles 0.

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

ascending, 1–6.5 cm.

2–7.5 mm.

0.7–1.8 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.

(11.2–)13–15.5 mm;

calyx cylindro-campanulate, 5–7.4 mm, strigulose, tube 4–6.2 mm, lobes triangular-subulate, 1–1.5(–2) mm;

corolla bicolored, banner whitish or suffused or lined with lilac, wing and keel tips purple;

keel 10–12.5 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.

ascending (humistrate), green, usually red-mottled, becoming stramineous, incurved, obliquely ellipsoid, dorsiventrally to ± 3-sided compressed, 13–22 × 4–6 mm, unilocular, usually leathery, sparsely strigulose, hairs appressed, to 1 mm;

sessile, gynophore to 0.8 mm.

34–77.

22–31.