Flora of North America species comparison

absent, leaves clustered;

pseudoscapes erect, 3–10 cm, usually 1, sometimes to 6, rarely branched proximally;

cataphylls 10–20 mm (when present).

palmately 5–7-foliolate;

stipules often fragmented on plant, partly connate, ovate, 11–24 × 11–16 mm, scarious, usually eglandular, sparsely pubescent;

petiole jointed basally, 40–150(–190) mm, shorter than peduncle, hirsute-villous;

petiolules 1–2.5 mm;

leaflet blades oblanceolate to elliptic, 1.5–4.5(–6) × 0.5–1.3(–1.8) cm, base cuneate, apex acuminate to obtuse, surfaces glandular, abaxially pubescent, adaxially sparsely so, usually along margins.

disjointing in age at peduncle base, long-ovoid;

rachis 2.5–9.5 cm, elongating through fruiting, nodes 4–11(–15), 3 flowers per node, internodes 1–5 mm, elongating to 25 mm in fruit;

bracts persistent, orbiculate to lanceolate, 7–14 × 2–7 mm, margins pubescent, apex sometimes caudate or emarginate, becoming papery and veined in age.

4–14 cm (8–19 cm in fruit), longer than subtending petiole, setose.

1–2 mm.

10–15(–22) mm;

calyx weakly gibbous-campanulate in fruit, 6–10 mm abaxially, 5–8 mm adaxially, glabrate and eglandular on gibbous portion, sparsely setose and glandular distally;

tube stramineous, 4.5–6 mm;

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

corolla dark blue to purple, banner oblanceolate to oval, 13–23 × 4–5 mm with claw 5–6 mm, wings 12–18 × 2–3 mm with claw 5–7 mm, keel 10–15 × 2–3 mm with claw 2–3 mm;

filaments 10–12 mm;

anthers obovate, 0.3 mm;

ovary pubescent apically, style pubescent basally.

globose to ovoid, 6–7 × 4–5 mm, eglandular, sparsely pubescent apically, beak triangular, 4–6 mm, exserted beyond calyx.

gray-brown to red-brown, obovoid-reniform, 5–6 × 3–4 mm.

= 22.