Flora of North America species comparison

erect or ascending, densely silky-strigulose.

obscured by stipules and marcescent leaf bases.

(5–)7–17(–20) cm;

stipules connate-sheathing at proximal nodes, distinct at distal nodes, 2–14 mm, scarious;

leaflets (17–)21–35, blades linear, linear-oblong, -elliptic, -lanceolate, or -oblanceolate, (3–)6–26 mm, apex obtuse and apiculate or emarginate, surfaces strigulose, sometimes glabrous adaxially.

palmately trifoliolate, 1–13 cm;

stipules sometimes ruptured in age, 6–18 mm, hyaline;

leaflet blades spatulate to elliptic, (3–)7–27(–37) mm, apex acute to obtuse, surfaces silvery-strigose.

15–45-flowered, flowers nodding;

axis (5–)7–17 cm in fruit;

bracts 1.5–4 mm;

bracteoles 0–2.

1–3-flowered, capitate;

axis very short in fruit;

bracts tridentate, 4.5–7.6 mm;

bracteoles 0(or 1).

erect, 6–24 cm.

obsolete.

1.2–5 mm.

0–1.6 mm.

12.6–17.6 mm;

calyx (6.5–)8–11.4 mm, densely silky-strigulose, hairs white, tube 5–7.2 mm, lobes lanceolate-subulate, (1.5–)2–4.2 mm;

corolla ochroleucous, immaculate;

banner gently and slightly recurved;

keel 11.5–14.7 mm.

16–29 mm;

calyx 9.3–18(–20) mm, loosely villous, tube (6.5–)10–14(–16) mm, lobes linear or narrowly subulate, 1.6–4 mm;

corolla usually whitish to ochroleucous, rarely purple, petals usually glabrous, banner rarely puberulent adaxially;

banner not differentiated into blade and claw;

keel 10.4–21.8 mm.

spreading to pendulous, stramineous, obliquely ovoid-ellipsoid or semi-ovoid, bladdery-inflated, somewhat compressed laterally, (20–)25–43 × 13–18 mm, thin becoming papery-membranous, translucent, lustrous, sparsely strigulose;

stipe filiform, 14–40 mm, pubescent.

straight, ovoid-ellipsoid, 6–10 × 2.5–5 mm, fleshy becoming leathery, densely strigose-hirsutulous.

(16–)18–30.

10–17.

= 22.