Flora of North America species comparison

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

several, reclining or ascending, proximal few nodes 0.5–5 cm underground, villous-hirsutulous.

(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.

2–8 cm;

stipules 3–7 mm, membranous;

leaflets 9–21, blades obovate to oblanceolate, 3–11 mm, apex obtuse or emarginate, surfaces loosely pilose abaxially, glabrous 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.

3–10-flowered, flowers ascending;

axis 0.5–2 cm in fruit, not much elongating;

bracts 2.5–4.5 mm;

bracteoles 2.

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

incurved-ascending, reclined in fruit, 1.5–5 cm.

2–7.5 mm.

1.5–3 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.

14–19 mm;

calyx campanulate-cylindric, 5.8–10 mm, villosulous, tube 4.7–7 mm, lobes subulate, 1.1–3 mm;

corolla reddish violet to pink-purple;

keel 10.2–11.5(–15) 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.

firmly attached to receptacle, falling while still attached to pedicel, ascending to declined (humistrate), stramineous, incurved through 0.3 spiral, crescentic, 3-sided compressed, deltoid in cross section, dorsal suture slightly grooved, 20–45 × 5–8 mm, bilocular, scarcely fleshy becoming leathery, faces prominently reticulate, sparsely villosulous, hairs to 1 mm;

septum 3.5–4.2 mm wide;

stipe 1–2.5 mm.

34–77.