Flora of North America species comparison

reduced to thick crowns.

erect or ascending, pilosulous.

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.

both cauline and in sub-basal cluster, (5–)7–20 cm;

stipules connate-sheathing at proximal nodes, (3–)5–11 mm, fragile, submembranous early becoming papery-scarious;

leaflets 25–37, blades linear-elliptic, linear-oblong, oblanceolate, or ovate-oblong, 5–27 mm, apex obtuse, acute, or retuse, surfaces pilosulous, sometimes glabrous adaxially;

terminal leaflet often continuous with rachis.

2–8-flowered, flowers ascending;

axis 0.2–2.7 cm in fruit;

bracts 3.5–10 mm;

bracteoles 0–2.

(6–)10–30-flowered, flowers ascending to spreading;

axis (3–)5–18 cm in fruit;

bracts 2–9.5 mm;

bracteoles 2.

0.5–11 cm.

erect, 12–30 cm, together with racemes longer than stems.

1.4–5 mm.

1–3.7 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.

18–23 mm;

calyx short-cylindric, (10–)11–15 mm, strigulose-pilosulous, tube (5.7–)6–7.9 × 3.6–4.8 mm, lobes lanceolate or lanceolate-caudate, (2.6–)4.6–6.7(–7.5) mm;

corolla cream, immaculate;

banner recurved through 45°;

keel 13.4–15.6 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.

brownish stramineous, ± straight, broadly oblong-ovoid to narrowly oblong-ellipsoid, obcompressed, 11–22 × 4.5–7.2 mm, unilocular or sub-bilocular, fleshy becoming stiffly leathery or subligneous, usually villous-pilose or glabrescent, rarely glabrous;

septum to 1 mm wide;

sessile.

27–40(–46).