Flora of North America species comparison

erect to ascending.

erect to ascending.

blades ± linear-lanceolate, obovate, or narrowly elliptic, margins subentire.

blades elliptic to ovate, length usually 2–5 times width, margins entire or serrate.

glabrous or sparsely and finely glandular;

proximal nodes 1-flowered, distals 3–5(–7)-flowered;

flowers not crowded proximally, sometimes crowded distally;

distalmost bracts linear, 5–6 mm.

densely glandular;

nodes (1–)3–6-flowered;

flowers not crowded;

distalmost bracts linear, 0–2 mm.

ascending to reflexed, longer than calyx, visible.

ascending to spreading, sometimes reflexed, pendent and/or sigmoid in fruit, usually longer than calyx, visible.

calyx lobes ± deltate, equal to capsule, apex sharply acute to acuminate;

corolla blue, banner whitish or blue-tipped, 4–8 mm, glabrous;

banner length 0.8–1 times wings, lobe base without folds;

banner lobes and wings blue, sometimes purplish, oblong, 1(–3) mm wide;

throat barely angled to tube, tube and throat white, narrowed to lips, pouch angular, ± hidden by calyx;

stamens: filaments glabrous, basal spur 0.

calyx lobes lanceolate to ovate, equal to capsule, apex subacute to rounded;

corolla blue-violet to purple, banner white, cream, or pale lilac, 6–9 mm, sparsely glandular;

banner length 0.7–0.8(–0.9) times wings, lobe base with folds bulging 0.5 mm away from throat opening at base of each lobe, wings equal to keel;

stamens: abaxial filaments glabrous, adaxials glabrous or hairy at base, basal spur 0.

(3 or)4, oblong, 2–2.5 mm, margins thickened, inrolled.

2, ovate to oblong, often curled toward attachment side, 2–2.5 mm, margins thickened, inrolled.

= 14, 28, 42.