Flora of North America species comparison

obscured by stipules.

prostrate and radiating, 0–10 cm, internodes usually concealed by stipules, densely pannose-tomentose.

palmately trifoliolate, 0.7–3 cm;

stipules 6–10 mm, hyaline;

leaflet blades spatulate to obovate, 2.5–10 mm, apex subacute to obtuse, surfaces silvery-pilose.

1.5–12 cm;

stipules 3–10 mm, membranous;

leaflets 9–19, blades obovate or suborbiculate to ovate, 2–15 mm, apex usually obtuse to emarginate, sometimes acute, surfaces densely villous-tomentose.

1–3-flowered, subcapitate;

axis obsolete;

bracts sometimes tridentate, 3–6 mm;

bracteoles 0.

2–8-flowered, flowers ascending;

axis 0.4–2.6 cm in fruit;

bracts 4–9 mm;

bracteoles 0–2.

± obsolete.

ascending, decumbent in fruit, 1–14 cm.

± subobsolete.

2–4.3 mm.

12.5–17.5 mm;

calyx 7.3–10.7 mm, silvery-villous, tube 5.8–7.5 mm, lobes linear to narrowly subulate, 1.5–3.7 mm;

corolla whitish to ochroleucous, petals villous abaxially;

banner differentiated into blade and claw, with shoulderlike projections at middle;

keel 10–13 mm.

23–31 mm;

calyx cylindric, 12–14 mm, villous-tomentose, tube 8.5–13 mm, lobes lanceolate-subulate, 2–4.5 mm;

corolla usually pink-purple, rarely white;

banner recurved through 45°;

keel (16–)17–22 mm.

straight or slightly decurved, narrowly ellipsoid, 7–10 × 2.5–3.5 mm, fleshy becoming leathery, densely strigose-hirsutulous.

initially ascending (humistrate), color concealed by hairs, ± straight, lanceoloid-ellipsoid or narrowly ovoid-acuminate, obcompressed, 17–30 × 5.5–7.5 mm, unilocular, fleshy becoming stiffly papery or thinly leathery, shaggy-villous, hairs 4–8 mm, obscuring surface;

sessile and gynophore 1–2.5 mm.

8 or 9.

22–31.

= 22.