Flora of North America species comparison

prostrate, spreading from root-crown, hirsutulous.

prostrate, 0–15(–25) cm, internodes to 2(–2.5) cm, strigulose, pilosulous, or villosulous.

1–4 cm;

stipules 1–2.2 mm, papery-membranous at proximal nodes, thinly herbaceous at distal nodes;

leaflets 7–13, blades oblong-obovate or ovate-lanceolate, 2–7 mm, apex retuse, surfaces hirsutulous, sometimes glabrous adaxially.

4–24 cm;

stipules sometimes obscurely connate at proximal nodes, 2–15 mm, submembranous becoming papery-scarious;

leaflets 11–27(–31), blades oblanceolate, obovate, obovate-cuneate, rhombic, rhombic-ovate, or rhombic-elliptic, rarely suborbiculate, 2–27 mm, apex usually obtuse or acute, rarely emarginate, surfaces usually pubescent, sometimes glabrescent or glabrous adaxially.

1–4-flowered, flowers declined;

axis 0–1.5(–2.3) cm in fruit;

bracts 0.6–1 mm;

bracteoles 0.

loosely (9 or)10–25(–35)-flowered, flowers ascending;

axis (1.5–)2–20 cm in fruit;

bracts 1.5–11 mm;

bracteoles usually 0(–2).

0.3–2.5(–3.8) cm.

incurved-ascending or erect, 4–40 cm.

0.8–1 mm.

0.6–3.4 mm.

4.2–5.4 mm;

calyx 3–4 mm, hirsutulous, tube 1.6–2.3 mm, lobes lanceolate-subulate, 1.3–2 mm;

corolla whitish, banner veins purple;

banner recurved through 40°;

keel 3.7–4.5 mm, apex bluntly deltate.

11.8–24 mm;

calyx cylindric to deeply campanulate, (5–)6.4–14 mm, loosely strigulose, pilosulous, or villous, tube (3.5–)4.5–10.2 mm, lobes subulate or triangular-subulate, 1.2–3.8 mm;

corolla usually pink-purple to dull lilac, rarely white or nearly so;

banner recurved through 45°;

keel 10.2–20.1 mm.

glabrous.

dehiscent on plant, declined, stramineous or brownish, gently incurved or incurved through 0.2–0.3 spiral, linear-oblong, 3-sided compressed, 13–18 × 2.8–4.1 mm, thin becoming papery, hirsutulous, hairs curved.

ascending, green or purplish becoming stramineous or brownish, lunately incurved or straight proximally and only beak incurved, obliquely ovoid-acuminate, lanceoloid-, oblong-, or ovoid-ellipsoid, strongly obcompressed, 13–34 × 5–10(–12) mm, ± unilocular, valves less than 1 mm thick, thinly to thickly fleshy becoming thinly leathery, stiffly leathery, or subligneous, usually densely to sparsely strigulose or pilosulous, rarely glabrous.

12–14.

24–36.

= 26.