Flora of North America species comparison

obscured by stipules.

erect or ascending, densely silvery white-strigulose.

1.5–7.5 cm;

stipules 3–6.5 mm, membranous, pallid, with green midrib;

leaflets 3 or 5, blades oblanceolate, elliptic, or narrowly obovate, 5–17 mm, apex acute to subobtuse, surfaces strigose.

(2.5–)5–15(–16.5) cm;

stipules 1.5–5 mm, papery;

leaflet blades linear or linear-oblong, (3–)5–25(–34) mm, apex truncate-emarginate or subacute, surfaces sparsely strigulose abaxially, densely silvery white-strigulose adaxially.

1–3-flowered, flowers ascending;

axis to 0.3 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0 or 1.

(4 or)5–20(–28)-flowered;

axis (2–)3–13 cm in fruit;

bracts 0.7–2.5 mm;

bracteoles 2.

ascending, prostrate in fruit, 0.5–3.5 cm, mostly shorter than leaves.

erect, (5–)7–20 cm.

1.5–3 mm.

0.9–3 mm.

24.5–32 mm;

calyx cylindric, 12–17 mm, strigulose, hairs white, sometimes also black, tube 10.2–13 mm, lobes subulate, 1.8–3.5 mm;

corolla pink-purple or purple;

banner recurved through 40°;

keel 21.5–24.5 mm.

15–22 mm;

calyx 5.5–9.5 mm, strigose, tube 3.6–5 mm, lobes subulate, (1.5–)1.8–4.3 mm;

corolla keel 10.7–15.3 mm.

ascending, stramineous, ± straight, obliquely lanceoloid-ellipsoid, dorsiventrally compressed, 20–35(–40) × 8–12 mm, unilocular, valves much less than 1 mm thick, thinly fleshy becoming leathery, strigulose, hairs appressed, 0.5–0.7 mm.

brownish or stramineous, strongly laterally compressed, 12–28 × 4–7.5 mm, fleshy becoming leathery or subligneous, glabrous;

septum 3.5–6 mm wide;

stipitate (stipe 4–8 mm).

38–54.