Flora of North America species comparison

erect, several branched distally, leaves dispersed along stems;

pseudoscapes 0;

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

erect, usually unbranched, sometimes branched basally, leaves dispersed along stem and arising nearly perpendicular to it;

pseudoscapes 0.5–2 cm;

cataphylls 0.5–15 mm, striate.

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.

palmately (3–)5-foliolate;

stipules persistent, broadly lanceolate proximally to linear-lanceolate distally, 10–20 × 2–8 mm, stramineous basally, eglandular, glabrate to sparsely pubescent, hairs semi-erect;

petiole not jointed basally, (2–)30–100(–150) mm;

petiolules 1.5–4 mm;

leaflet blades elliptic to oblanceolate, 2–4(–6) × 0.7–2.3 cm, base attenuate to cuneate, apex broadly acute to rounded or retuse, surfaces abaxially pubescent, adaxially glabrate except on midvein.

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.

persistent (not disjointing at base of peduncle in fruit), elliptic to oblong;

rachis 1.6–7 cm, elongating slightly in fruit, nodes (6–)8–15, (2 or)3 flowers per node;

bracts persistent, oblanceolate to elliptic, 5–15 × (0.5–)4–9 mm, glabrate to sparsely pubescent, hairs semi-erect.

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

(0.5–)5–12(–15) cm, shorter than subtending petiole, pilose.

3.5–10 mm.

1–3 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.

12–20 mm;

calyx strongly gibbous-campanulate in fruit, 13–16 mm abaxially, 12–14 mm adaxially, eglandular, pubescent;

tube 5–6 mm;

lobes linear or linear-lanceolate to elliptic, abaxial 7.5–10 × 2–2.5 mm, adaxial 4–7 × 1–1.5 mm;

corolla violet to blue-purple, banner sometimes paler, oblanceolate, 17–18 × 6 mm with claw 7–8 mm, wings 15–16.5 × 3–3.5 mm with claw 6–6.5 mm, keel 12–12.5 × 3 mm with claw 6–6.5 mm;

filaments 11–14 mm;

anthers elliptic, 0.5 mm;

ovary pubescent apically, style glabrous apically.

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

oblong, 4–6 × 2.5–3.5 mm, eglandular, pubescent, beak 9–13(–16) mm, exserted beyond calyx.

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

brown, reniform, 4 × 3 mm, somewhat rugose.

= 22.