Flora of North America species comparison

erect, much branched distally, leaves dispersed along stems;

pseudoscapes 0;

cataphylls 4–12 mm, papery, glabrous.

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.

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.

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

1.5–3 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.

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

brown, reniform, 5–6 × 3–4 mm, shiny.