Flora of North America species comparison

erect or ascending, sparsely strigulose.

erect or ascending, strigulose.

(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–)5–12 cm;

stipules 0.8–2 mm;

leaflets 9–15, blades obovate, oblong-obovate, or oblong-elliptic, 2.5–7 mm, apex obtuse or emarginate, surfaces glabrous.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

2–5-flowered, flowers ascending;

axis 2–4 cm in fruit;

bracts 1.1–2.2 mm;

bracteoles 0–2.

(2–)4–11 cm.

(3.5–)5–11 cm.

0.6–1.5 mm.

2.4–6 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.

12–14 mm;

calyx campanulate, 6.3–7.5 mm, strigulose, tube 4–4.5 mm, lobes lanceolate-subulate, 1.8–3 mm;

corolla reddish purple, drying bluish;

banner recurved through 45°;

keel 9.4–14.4 mm, apex sharply deltate.

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.

persistent and dehiscent by gaping beak, ascending, green, or suffused or speckled with purple, becoming brownish stramineous, lunate, linear-oblanceoloid, 3-sided compressed, 15–21 × 2.8–3.8 mm, ± bilocular, fleshy becoming thinly or stiffly leathery, sparsely strigulose;

septum 1–1.3 mm wide;

stipe 1–1.5 mm.

12–16.

16–19.