Flora of North America species comparison

usually few or several, sometimes single, decumbent to ascending, when developed, with several, short internodes, to 2 cm, villous-tomentose.

usually erect, sometimes decumbent and ascending, green or purplish, fistulose when stout, 1–7+ cm underground, strigose.

(2–)5–32 cm;

stipules (3–)4–20 mm;

leaflets (9 or)11–35, blades elliptic, suborbiculate, ovate, obovate, rhombic-elliptic, rhombic-obovate, rhombic-ovate, oblong-elliptic, oblanceolate, or oval, (2–)3–30(–45) mm, apex acute, obtuse, retuse, or subacute, surfaces villous-tomentose, sometimes densely so.

(3–)5–25(–35) cm;

stipules 3–18 mm, membranous early becoming scarious;

leaflets (7–)13–35, blades lanceolate, lanceolate-oblong, or elliptic, (5–)6–45(–52) mm, apex obtuse, apiculate, or truncate-emarginate, surfaces strigose, sometimes glabrous adaxially.

(5–)7–45-flowered;

axis (0.5–)1–18 cm in fruit;

bracts 2.5–10(–12) mm;

bracteoles 0(–2).

20–100+-flowered, flowers spreading-declined;

axis 2.5–16 cm in fruit;

bracts 1.5–10 mm;

bracteoles 0–2.

ascending, (1.5–)2.5–24 cm.

erect or incurved-ascending, (2.5–)4–22 cm.

0.5–3 mm.

1.2–3.5(–4) mm.

11.8–25 mm;

calyx cylindric to deeply campanulate, 6.8–15.5 mm, villous-tomentose, tube (4.5–)5–13 mm, lobes lanceolate to subulate or subulate-setaceous, 1.6–5.5(–6.8) mm;

corolla pink-purple, pale purple, pinkish, cream, or yellowish suffused with dull lavender, or tipped and suffused or margined with dull purple;

keel 9–20.5 mm.

11.3–17(–17.5) mm;

calyx short-cylindric, (4.6–)5.5–10.5(–11) mm, strigose or pilosulous, tube 4–8.5 mm, lobes subulate or triangular, 1.2–4.4(–5) mm;

corolla ochroleucous, greenish white, or stramineous;

keel (9.5–)10.2–13.6 mm.

spreading or ascending, ± straight to incurved through 0.25+ spiral, oblong-ellipsoid, lanceoloid-ellipsoid, ovoid, or ovoid-ellipsoid, sometimes decidedly inflated (not bladdery), terete when narrow, obcompressed when broad, (6–)9–24 × (3–)4–13 mm, fleshy, stiffly papery, leathery, or subligneous, glabrous, puberulent, hispidulous, villosulous, villous-hirsute, villous-tomentulose, or villous-tomentose;

beaks sometimes unilocular.

brown then blackish, straight or incurved, cylindroid, terete, (9–)10–20 × 2.9–5.2 mm, somewhat fleshy becoming stiffly papery or leathery, usually strigose, strigulose, glabrate, or glabrous, rarely puberulent;

sessile or subsessile.

12–38[–41].

(16–)18–26(–28).

= 22.