Flora of North America species comparison

decumbent to ascending, strigulose.

obscured by stipules and marcescent leaf bases.

(2.5–)4–10 cm;

stipules 1.5–2.5 mm, papery at proximal nodes, herbaceous or with herbaceous tips at distal nodes;

leaflets (5 or)7–13, blades broadly oblong-elliptic to lanceolate-oblong or linear-elliptic, 2–10(–15) mm, apex obtuse to truncate, shallowly retuse, or subacute, surfaces strigulose abaxially, sparsely strigulose or 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.

(3–)6–14-flowered, flowers ascending;

axis (1–)2–8 cm in fruit;

bracts 0.8–2.5 mm;

bracteoles 0–2.

1–3-flowered, capitate;

axis very short in fruit;

bracts tridentate, 4.5–7.6 mm;

bracteoles 0(or 1).

straight, sometimes incurved-ascending, 3–15 cm.

obsolete.

0.5–2.2 mm.

0–1.6 mm.

7–10.5 mm;

calyx short-cylindric, (3.1–)3.6–5.5 mm, strigulose, tube (2.3–)2.8–4 mm, lobes triangular to subulate, 0.4–1.6 mm;

corolla ochroleucous or whitish suffused with lilac;

banner recurved through 45°;

keel (6.3–)7–10 mm, apex triangular and beaklike.

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.

persistent on receptacle until well after maturity, falling while still attached to pedicel, erect, stramineous, straight, linear-oblong, obtusely 3-sided compressed, 10–25 × 2.4–3.3 mm, ± bilocular, thinly fleshy becoming leathery, strigulose;

septum 1–1.4 mm wide;

sessile or subsessile.

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

14–23.

10–17.