Flora of North America species comparison

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

prostrate to ascending or erect, 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.

distal leaves often unifoliolate, leaflets and rachis often expanded into flat, grasslike blade, 1.5–7 cm;

stipules connate-sheathing and papery-scarious at proximal nodes, distinct or basally connate and herbaceous at distal nodes, 1–3 mm;

petiole flattened or short and continuous with rachis;

leaflets 1–7, blades narrowly elliptic, linear, oblanceolate, or lanceolate, 4–47(–67) × 1–5 mm, apex acute or acuminate, surfaces usually strigose, sometimes glabrous adaxially;

terminal leaflet longer, sometimes decurrent distally, not jointed to rachis.

(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.

(1 or)2–8-flowered, flowers ascending;

axis 0.5–3 cm in fruit;

bracts 0.7–2.5 mm;

bracteoles 0.

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

incurved-ascending, 2–15 cm.

2–7.5 mm.

1.8–4 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.

8–13.5 mm;

calyx (3.5–)4.4–6.7 mm, strigose, tube 3.2–4.7 mm, lobes broadly subulate, 1–2 mm;

corolla greenish white, often tinged with purple;

banner recurved through 50–80°;

keel 7.8–11 mm, apex broadly triangular.

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 to declined, stramineous, straight or slightly decurved, narrowly oblong, strongly laterally compressed, bicarinate, 10–17 × 2.7–4 mm, papery, strigose;

stipe 0.5–1.3 mm.

34–77.

10–16.