Flora of North America species comparison

4–14 cm;

stipules stiff, papery, becoming reddish brown, 12–20 mm, free ends caudate-acuminate, pilose to glabrate abaxially, margins ciliate;

leaflets 11–21, blades ovate to lanceolate, elliptic, or oblong, 4–17 × 2–4 mm, apex acute or obtuse, surfaces pilose on midrib abaxially, pilose or glabrous adaxially.

1–5 cm;

stipules membranous, purplish brown or reddish brown, sparsely pilose but early glabrate, margins ciliate;

leaflets 7 or 9, blades elliptic to lanceolate, 4–6 × 1–2 mm, flat, margins revolute or folded, apex acute, surfaces sparsely hirsute.

6–10-flowered, subcapitate, slightly elongate in fruit.

1–3-flowered.

erect or ascending, 4–15 cm, spreading-villous;

bract lanceolate, shorter to longer than calyx, villous, margins ciliate.

0.5–5 cm, sometimes slightly exceeding leaves, sparsely pilose;

bract ovate to lanceolate, hispidulous.

yellowish, keel tip not maculate, 13–17 mm.

purplish, 12–15(–16) mm.

short-cylindric, villous, hairs intermixed black and white;

tube 5–6 mm, lobes 1.5–3.2 mm.

campanulate, villous-pilose, hairs white or black;

tube 4–6 mm, lobes 2–4 mm.

erect, sessile or subsessile, ovoid-ellipsoid, 15–21 × 5–7 mm, length less than or equal to 3 times width, partially bilocular, papery, sulcate adaxially, pilose, hairs black and white.

reclining on ground at maturity, stipitate, stipe 1.5–6 mm, inflated, 20–35 × 5–8(–15) mm (usually at least 3 times longer than wide), ± bilocular, short-pilose.

= 96.