Flora of North America species comparison

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.

usually 1, rarely 2, erect, unbranched proximally to much branched distally, leaves dispersed along distal branches;

pseudoscapes 0;

cataphylls 6–11 mm (when present), 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.

palmately 1 or 3-foliolate;

stipules absent;

petiole not swollen or jointed basally, slightly canaliculate, (0 or)2–6(–10) mm, usually shorter than petiolule, rarely to 1 mm longer, strigose;

petiolules often adnate to leaf spur, 5–9 mm;

leaflet blades broadly elliptic to obovate or oblanceolate to orbiculate, 3–5 × 2–3.2 cm, base attenuate, apex acute to rounded, surfaces abaxially densely canescent, adaxially glabrous or glabrate.

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.

persistent, loose, much of rachis exposed, ovoid-ellipsoid or shortly elongate;

rachis loose, 1.5–5.5 cm, elongating in fruit, nodes (2 or)3–6, 3 flowers per node;

bracts persistent or tardily deciduous, lanceolate to broadly elliptic, 7–12 × 4–5 mm, appressed-pubescent to canescent.

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

2.7–8.2 cm, longer than subtending petiole, canescent.

1–3 mm.

4–5 mm.

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.

11–16 mm;

calyx broadly campanulate in fruit, 8–12 mm abaxially, 7–9 mm adaxially, glandular, strigulose to canescent;

tube 3–5 mm;

lobes triangular or narrowly elliptic, abaxial 4.5–6 × 2.5 mm, adaxial 2–3.5 × 1.5–2 mm;

corolla blue to blue-purple, sometimes fading yellowish green, banner oblanceolate, 11–15 × 6–8 mm with claw 3–5 mm, wings 10–13 × 2.5–3 mm with claw 4–5 mm, keel 7.5–9 × 2–2.5 mm with claw 4–5 mm;

filaments 9–9.5 mm;

anthers broadly elliptic, 0.5 mm;

ovary glabrous or pubescent, style pubescent on proximal 1/2.

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

ellipsoid, 5–6 × 4–5 mm, densely glandular, pubescent, beak 4–6 mm, equal to or slightly shorter than calyx.

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

gray-green to red-brown, reniform, 4–5 × 3–4 mm.

= 22.