Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect, strigulose or glabrous, or glabrate proximally.

(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.

3.5–11 cm;

stipules 2–9 mm, scarious;

leaflet blades broadly obovate-cuneate or obovate-flabellate, 7–15(–18) mm, apex obtuse to retuse, surfaces glabrous.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

(7–)12–33-flowered;

axis 4–20(–28) cm in fruit;

bracts 1–3.4 mm;

bracteoles 0.

(2–)4–11 cm.

erect, 3.5–15 cm.

0.6–1.5 mm.

0.5–2 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.

8–11 mm;

calyx 4.7–5.5 mm, strigulose, tube 3–3.5 mm, lobes subulate, 1.7–2 mm;

corolla white, drying ochroleucous;

banner recurved through 60–80°;

keel 6.8–7.7 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.

incurved-ascending, green, sometimes purple-tinged or -mottled, becoming stramineous, sometimes suffused with purplish brown, incurved through 0.25 spiral, 8–15 × 3–5 mm, fleshy becoming leathery, glabrous;

stipe (2.5–)3–5 mm.

12–16.