Flora of North America species comparison

1+, decumbent to erect-ascending, much branched, leaves dispersed along stems;

pseudoscapes rarely branched, 0–14 cm;

cataphylls 0–13 mm.

erect, much branched distally, leaves dispersed along stems;

pseudoscapes 0;

cataphylls 4–12 mm, papery, glabrous.

palmately 3–5-foliolate;

stipules persistent, erect to reflexed, linear-lanceolate to lanceolate, 6–15 × 1–5 mm, glandular, pubescent;

petiole enlarged but not jointed basally, often canaliculate, 5–40 mm, sparsely strigose;

petiolules 1.5–3.5 mm;

leaflet blades oblanceolate to elliptic, oblong, or obovate, 2–4.8 × 0.5–2 cm, base cuneate, apex acute to obtuse or apiculate, surfaces abaxially pubescent, adaxially 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, ellipsoid to elongate;

rachis 1.5–8.5 cm, nodes (2–)6–17, 3 flowers per node, internodes to 13 mm;

bracts persistent, erect to reflexed, lanceolate, 4–17 × 1–6 mm, glandular, pubescent.

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.

0.6–15 cm, longer than subtending petiole, strigose.

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

2–3 mm.

1.5–3 mm.

12–22 mm;

calyx strongly gibbous-campanulate in fruit, 9–15 mm abaxially, 8–12 mm adaxially, glandular, pubescent;

tube 4–5.5 mm;

abaxial lobe lanceolate to elliptic, 8–19 × 2–3.5 mm, adaxial lobes lanceolate, 4–7 × 1–1.5 mm;

corolla blue, purple, or violet, banner broadly oblanceolate to obovate, 13–21 × 7–8 mm with claw 4–6 mm, wings 12–18.5 × 3–4 mm with claw 4–7.5 mm, keel 9–13 × 4–7 mm with claw 2.5–3 mm;

filaments 8–12 mm;

anthers elliptic, 0.5–0.6 mm;

ovary glabrous or pubescent and glandular on distal 1/4–1/3, style pubescent basally.

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.

ovoid to obovate, 6–8 × 4–4.5 mm, glandular, pubescent distally, beak 1.5–2 mm, shorter than calyx.

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

reddish brown, reniform to globose, 3.5–4 × 4.5–5 mm.

brown, reniform, 5–6 × 3–4 mm, shiny.