Flora of North America species comparison

ascending to ± erect, usually strigulose, sometimes glabrescent.

spreading to ascending, erect when young, canescent-tomentulose, distinctly woody when over-wintering.

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.

2–8 cm;

stipules 2–5 mm, papery at proximal nodes;

leaflets 11–25, blades oblong-obovate, -elliptic, or -oblanceolate, (1.5–)3–12 mm, apex obtuse or retuse, surfaces villosulous.

4–15-flowered, flowers ascending-erect;

axis 0.5–2.5 cm in fruit;

bracts 2–3 mm;

bracteoles 0.

densely (15–)20–30-flowered;

axis 2–4 cm in fruit;

bracts 1.5–3 mm;

bracteoles 0–2.

1–10 cm.

ascending, sometimes humistrate in fruit, 6–12 cm.

1 mm.

0.5–2 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.

10.6–12.7 mm;

calyx campanulate, 5.7–6.4 mm, villosulous, tube 3.8–4.5 mm, lobes broadly subulate, 1.4–2.4 mm;

corolla pale yellow, concolorous;

keel 9–10 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.

brown-stramineous, lunate, obliquely narrow-ellipsoid, 3-sided compressed, 14–20 × 3–5 mm, thinly fleshy becoming stiffly papery, glabrous;

septum 1–1.3 mm wide;

stipe 4.5–9.5 mm.

16–20.

= 16.