Flora of North America species comparison

erect, much branched distally, leaves dispersed along stems;

pseudoscapes 0;

cataphylls 4–12 mm, papery, glabrous.

short-erect, unbranched or branched, with 2–5 internodes, sometimes with decumbent lateral stems to 22 cm, strigose to ascending-hairy, leaves appearing clustered basally or on tips of some lateral stems, or dispersed along more elongated stems;

pseudoscapes to 4.5 cm;

cataphylls to 15 mm.

palmately (1 or)3–5-foliolate, rarely with unifoliolate leaf subtending peduncles;

stipules persistent to tardily deciduous, linear-lanceolate, (2–)4–5 × 1 mm, glandular, strigose;

petiole rarely from swollen pulvinus, 1.5–17(–22) mm;

petiolules 1–2.5 mm;

leaflet blades elliptic to narrowly oblanceolate, (1–)1.4–3(–4.1) × 0.4–0.8(–1.5) cm, base rounded to attenuate, apex rounded to retuse, often apiculate, surfaces glandular, abaxially strigose, adaxially glabrous.

palmately 5(–8)-foliolate;

stipules persistent, lanceolate to slightly elliptic, 5–11 × 2.5–4.5 mm, pubescent;

petiole jointed basally, 50–80(–100) mm;

petiolules 0.5–2 mm;

leaflet blades obovate to oblanceolate or ± rhombic, 1.5–2.5(–4) × 1.2–2.5 cm, base cuneate or attenuate, apex broadly acute to rounded, surfaces bicolor, abaxially glandular, cinereous, adaxially bright green, glabrous or sparsely strigose only along base of veins.

persistent, long-ovoid to elongate;

rachis 1.5–6 cm, elongating through fruiting, nodes 3–12, 1–3 flowers per node, internodes 1–35 mm;

bracts persistent, trullate to lanceolate, 1.5–3(–5) × 0.5–2 mm, glandular, glabrate to strigose.

disjointing in age at peduncle base, subglobose to elongate;

rachis 1.4–4 cm, elongating in fruit, nodes 4–9, (1–)3(or 4) flowers per node, internodes relatively short or to 10 mm;

bracts persistent to tardily deciduous, ovate to broadly lanceolate, 13–18(–22) × 6–10 mm, apex caudate, pubescent.

2–9.5 cm, longer than subtending petiole, strigose.

1.4–5 cm, shorter than subtending petiole, pubescent with erect-ascending hairs.

1.5–3 mm.

2–4 mm.

5–6 mm;

calyx not or only slightly elongating in fruit and not changing shape or becoming gibbous, 2–4 mm, glandular, strigose to glabrate;

tube 1–1.5 mm;

lobes triangular, abaxial 1.5–2 × 1 mm, adaxial 0.5–1 × 0.5–1 mm;

corolla usually dark blue to purple, rarely white, banner usually paler, elliptic to obovate, 4.5–6 × 4.5–6 mm with claw 1–2 mm, wings 6 × 1.5–2.5 mm with claw 1.5–3 mm, keel 3.5–4.5 × 1.5–2 mm with claw 1.5–2 mm;

filaments 3.5–4 mm;

anthers elliptic, 0.3 mm;

ovary glabrous or pubescent apically, style glabrous.

14–19 mm;

calyx gibbous-campanulate in fruit, (10–)11–16(–18) mm abaxially, (9–)10–15(–16) mm adaxially, tube glandular, pubescent;

tube 5–6(–8) mm;

lobes linear-lanceolate to elliptic, abaxial 6.5–10 × 2–3 mm, adaxial 6–9 × 1–1.5 mm, glandular or eglandular;

corolla purple, banner sometimes paler, oblanceolate, 14–19 × 5–7 mm with claw 6–9 mm, wings 9–18 × 2–3 mm with claw 6–9 mm, keel (10–)12–16 × 2–3 mm with claw 7–9 mm;

filaments 11–16 mm;

anthers elliptic, 0.3 mm;

ovary pubescent or only apically, style pubescent basally.

deciduous with calyx and pedicel, ellipsoid, 7–8 × 3–4 mm, glandular, glabrous, beak broad, 1–2.5 mm, well exserted beyond calyx.

ovoid, 6–9 × 4–4.5 mm, eglandular, pubescent, beak 5–8 mm, ± equal to calyx.

brown, reniform, 5–6 × 3–4 mm, shiny.

brown, reniform, 4–5 × 3 mm, shiny.