Flora of North America species comparison

reduced to thick crowns.

erect or ascending, current season stems 3–10 cm underground, strigulose or villosulous.

1.5–14(–15) cm;

stipules (2.5–)4–11 mm, submembranous becoming scarious or papery;

leaflets 1–13(or 15), blades obovate to elliptic, oblanceolate, or orbiculate, 3–20 mm, apex acute to obtuse or retuse, surfaces villous-tomentulose.

3–8 cm;

stipules 1–3 mm, scarious at proximal nodes, herbaceous at distal nodes;

leaflet blades obovate-cuneate, 4–12 mm, apex obtuse, retuse, or obcordate, surfaces strigulose or villosulous abaxially, strigose to glabrescent adaxially.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

9–15-flowered;

axis 3–8 cm in fruit;

bracts 1 mm;

bracteoles 0.

0.5–11 cm.

erect or divaricate-ascending, 1–6.5 cm.

1.4–5 mm.

1–1.5 mm.

14–32 mm;

calyx cylindric or campanulate, 7–20 mm, villous, tube 5–16 mm, lobes subulate to lanceolate, 1–4 mm;

corolla pink-purple;

banner recurved through 40°;

keel 12–26 mm.

14–17 mm;

calyx 5–6.5 mm, strigose, tube 5–6 mm, marcescent, lobes triangular, 0.5–0.9 mm;

corolla keel 12–13 mm.

ascending (humistrate), brown-stramineous, incurved, obliquely ovoid, obcompressed, (13–)18–28(–36) × 7–13(–17) mm, unilocular, fleshy becoming leathery, sparsely hirtellous to densely villous-tomentose, usually concealing surfaces.

pale green sometimes mottled becoming stramineous, coiled through 1.5–2 spirals into a closed ring, 3.5–4 mm wide, scarcely fleshy becoming stiffly papery, sparsely villous;

stipe 10–15 mm.

27–40(–46).