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.

absent, leaves clustered;

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

cataphylls 10–20 mm (when present).

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.

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, 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.

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.

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

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

2–5 mm.

1–2 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.

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.

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

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

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

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

= 22.