Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect or ascending, strigulose and often minutely tomentulose.

(3–)4–12 cm;

stipules connate and scarious-papery at proximal nodes, distinct and herbaceous at distal nodes, 1.5–5 mm;

leaflets (17–)21–29, blades flat or loosely folded, oblong-oblanceolate or elliptic, 3–13 mm, apex obtuse to subacute, surfaces sparsely strigulose abaxially, glabrate or glabrous adaxially.

(4–)5–16 cm;

stipules connate-sheathing at proximal nodes, connate or distinct at distal nodes, 2–12 mm, papery-membranous; petiolate or subsessile;

leaflets 25–39, blades linear-oblong to narrowly obovate, (2–)5–25 mm, apex obtuse or truncate-emarginate, surfaces strigulose abaxially, glabrous adaxially.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

15–35-flowered, flowers spreading becoming declined;

axis 2–11 cm in fruit;

bracts 1.4–3.7 mm;

bracteoles 0 or 1.

(2–)4–11 cm.

erect, (5.5–)7–25 cm.

0.6–1.5 mm.

1–6 mm.

5.8–8 mm;

calyx marcescent, 3.4–4.3 mm, strigulose, hairs black and/or white, tube 2.1–2.7 mm, lobes subulate, 1–2 mm;

corolla whitish or, sometimes, greenish ochroleucous, immaculate;

banner abruptly incurved through 90°;

keel 4.2–5.6 mm.

13–16 mm;

calyx campanulate, 6–8.6 mm, densely strigulose, tube (3.7–)4–5 mm, lobes subulate or lanceolate, (1.5–)1.8–3.6 mm;

corolla creamy white (concolorous), or keel tip faintly lilac;

keel 10.7–12.7 mm.

stramineous, straight or slightly incurved or decurved, linear-oblong or linear-oblanceolate, 3-sided compressed, 15–30 × (2.5–)3–4 mm, bilocular, papery, glabrous;

valves inflexed as complete septum 1.4–1.9 mm wide;

stipe 1.5–2.5 mm.

ascending, loosely spreading, or declined, stramineous, not bicarinate, obliquely obovoid or semi-obovoid-ellipsoid, bladdery-inflated, 23–36 × 12–18(–20) mm, thin becoming papery-membranous, translucent, lustrous, sparsely strigulose;

gynophore 2.3–5.5(–6) mm.

12–16.

(26–)28–37.