Flora of North America species comparison

short-erect, rarely branched (when branched then branches subtended by cataphylls), leaves clustered;

pseudoscapes to 2.5 cm;

cataphylls 6–11 mm, glabrous.

palmately 3(–5)-foliolate;

stipules persistent, obovate to oval, 4–10 × 2.5–6 mm, glabrous or sparsely pubescent;

petiole not enlarged but jointed basally, slightly canaliculate, 13–70 mm;

petiolules 0.5–1 mm;

leaflet blades obovate, 0.9–2.5 × 0.7–2.2 cm, base cuneate or attenuate, apex rounded or emarginate, surfaces abaxially gray-green and evenly strigose, adaxially yellow-green and strongly white-strigose along veins.

disjointing in age at peduncle base, globose;

rachis 0.5–8.5 cm, elongating through fruiting, nodes (1 or)2–6, 3 flowers per node, internodes 1–3 mm;

bracts tardily deciduous or persistent, oblanceolate to elliptic, 4–8 × 3–4 mm, apex abruptly acuminate, short-pubescent.

2–4.5 cm, shorter than subtending petiole, pubescent.

2–5 mm.

8–12.5 mm;

calyx broadly gibbous-campanulate in fruit, 10–11.5 mm abaxially, 8–8.5 mm adaxially, eglandular or sparsely glandular, pubescent;

tube 3.3–4.5 mm;

lobes lanceolate or oblanceolate, abaxial 4–6.5 × 2–3.5 mm, adaxial 3–5 × 1–1.5 mm;

corolla ochroleucous, wings and keel suffused purple or purple, banner broadly orbiculate to obovate, (8.5–)10–14 × 5.5–7.5 mm with claw 2.5–3 mm, wings 9–11 × 2.5–3 mm with claw 3.5–4 mm, keel 8–8.5 × 2.5–3 mm with claw 3–4 mm;

filaments 7–8 mm;

anthers broadly elliptic, 0.4 mm;

ovary pubescent apically, style pubescent basally.

ellipsoid, 6–7 × 4–4.5 mm, eglandular, strigose, beak 3–4 mm, not exserted beyond calyx.

gray-green to brown, obovoid, 4.5–5 × 2.5–3 mm, shiny.