Flora of North America species comparison

erect or ascending, sparsely strigulose.

ascending to ± erect, usually strigulose, sometimes glabrescent.

(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.

3–13 cm;

stipules connate throughout, 4–10 mm, scarious or subherbaceous;

leaflets 15–29, blades narrowly elliptic, (3–)5–12(–18) mm, apex rounded or slightly retuse, surfaces strigulose.

(5–)10–30-flowered;

axis (1.5–)3–19 cm in fruit;

bracts 1–2 mm;

bracteoles 2.

4–15-flowered, flowers ascending-erect;

axis 0.5–2.5 cm in fruit;

bracts 2–3 mm;

bracteoles 0.

(2–)4–11 cm.

1–10 cm.

0.6–1.5 mm.

1 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.

16–22 mm;

calyx cylindric, 7–10 mm, sparsely or densely strigulose, sometimes also pilosulous, tube 5–7.8 mm, lobes linear, 2.5–5.5 mm;

corolla blue-violet, pale blue, or pale lilac, often drying yellowish;

keel 12–15 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 to spreading or erect, straight or slightly incurved, narrowly oblong to narrowly ellipsoidal, 12–15 × 3 mm, widely keeled ventrally, sulcate dorsally, thin, densely hirsutulous with white hairs;

stipe 0.5 mm.

12–16.

= 16.