Flora of North America species comparison

obscured by stipules.

diffuse or ascending, (0–)1–4 cm underground, gray-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.

sparse, 2.5–9 cm;

stipules distinct throughout, 1.5–4.5 mm, papery-membranous at proximal nodes, herbaceous at distal nodes;

leaflets 9–15, blades linear-lanceolate or -oblanceolate, 5–20(–27) mm, apex rounded to retuse, surfaces strigose;

terminal leaflet usually longer than adjacent pair.

1–3-flowered, flowers ascending;

axis to 0.3 cm in fruit;

bracts 1.5–3.5 mm;

bracteoles 0 or 1.

3–12-flowered, flowers ascending-spreading;

axis 1–6 cm in fruit;

bracts 1–1.5 mm;

bracteoles 0–2.

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

incurved-ascending, 3–9 cm.

1.5–3 mm.

1–3 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.

11.5–12 mm;

calyx campanulate, 5.5–6.8 mm, strigose, tube 3.5–4.5 mm, lobes subulate or triangular, 2–2.7 mm;

corolla ochroleucous, often tinged or lined with purple;

banner recurved through 90°;

keel 9.2–10.4 mm, apex slightly beaked.

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.

spreading or declined, stramineous or brownish with purple spots, straight, broadly and subsymmetrically ellipsoid, ovoid, or obovoid-ellipsoid, terete or somewhat dorsiventrally compressed, bladdery-inflated, 25–40 × 12–20 mm, papery, strigose;

stipe 0.7–1.5 mm.

38–54.

26–33.