Flora of North America species comparison

erect, several branched distally, leaves dispersed along stems;

pseudoscapes 0;

cataphylls often deciduous, sometime persistent, 5–12 mm.

palmately 3(or 4)-foliolate, or unifoliolate when subtending inflorescences;

stipules tardily deciduous or persistent, linear-lanceolate to elliptic or rhombic, 3–10(–12) × 0.5–1.5 mm, glabrous or sparsely strigose;

petiole not swollen or jointed basally, terete to slightly canaliculate, 3–11 mm;

petiolules 0.5–3 mm;

leaflet blades linear or narrowly to broadly elliptic, 2–6 × 0.3–0.6 cm, base attenuate, apex acuminate to apiculate, surfaces black-glandular, abaxially pubescent, adaxially glabrous.

persistent, elongate, lax;

rachis 1.2–9.5 cm, nodes 3–7, (1–)3 flowers per node, internodes to 22 mm;

bracts persistent, lanceolate to orbiculate, 1.5–3.5 × 1–1.5 mm, apex often apiculate, glandular and glabrous or abaxially pubescent.

0.8–10.5 cm, much longer than subtending petiole, appressed-pubescent.

3.5–10 mm.

8–11 mm;

calyx slightly enlarging in fruit becoming broadly and shallowly campanulate but not gibbous, 4.5–6 mm abaxially, 4–5.5 mm adaxially, glandular, appressed-pubescent, sometimes sparsely so;

tube 2.5–4 mm;

lobes triangular, abaxial 2–4 × 1.5–2.5 mm, adaxial 1.5–3.5 × 1–2 mm;

corolla usually blue-violet to violet-purple, sometimes white, banner usually lighter in throat, oblanceolate to narrowly elliptic, 8–11.5 × 5–7 mm with claw 2–2.5 mm, wings 8–11.5 × 2–3 mm with claw 2–4 mm, keel 6–7 × 2–2.5 mm with claw 3–3.5 mm;

filaments 6–6.5 mm;

anthers elliptic, 0.5 mm;

ovary glabrous, sometimes minutely pubescent apically, style glabrous or minutely pubescent basally.

broadly ellipsoid to globose, 8–10.5 × 8.5–10.5 mm, glandular, glabrous, beak 3–3.5 mm, exserted beyond calyx.

olive green to light brown, globose-reniform, 4–6 × 3–4 mm.