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.

usually prostrate, rarely decumbent, often branched from base, rarely distally, leaves dispersed uniformly along stems;

pseudoscapes to 10 cm (when present);

cataphylls to 15 mm.

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.

usually pinnately 3-foliolate, rarely reduced to phyllodes;

stipules persistent, lanceolate to linear-lanceolate, 3–6.5 × 1–2 mm, glabrate except along margin;

petiole swollen or not, not jointed, ribbed, not canaliculate, 9–90 mm, pubescent;

petiolules 1–1.5 mm;

leaflet blades lanceolate to rhombic or orbiculate (sometimes dimorphically so), 0.9–5 × 0.6–3 cm, base attenuate, apex broadly acute to rounded, surfaces abaxially glandular and pubescent to glabrate, adaxially pubescent or 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, subcapitate, globose to ovoid;

rachis 0.3–1 cm, nodes 1–6, 3 flowers per node, internodes to 5 mm;

bracts persistent, lanceolate to spatulate, 1–3 × 0.5–1.5 mm, pubescent abaxially.

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

0.8–8.5(–10) cm, longer than subtending petiole, appressed-spreading pubescent to glabrate.

2–3 mm.

1–2 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–)7.5–11 mm;

calyx gibbous-campanulate in fruit, 4.5–6.5 mm abaxially, 4.5–6 mm adaxially, eglandular, strigose;

tube 2.5–3.5 mm;

lobes lanceolate, abaxial 2.5–3 × 1–1.5 mm, adaxial 1.5–2 × 1–1.5 mm;

corolla usually brick red to salmon-pink, rarely white, banner oblanceolate or rhombic, emarginate, 7.5–10 × 4–5 mm with claw 2.5 mm, wings 7–10 × 2–2.5 mm with claw 2.5–3 mm, keel 5–7.5 × 2–2.5 mm with claw 2.5–3 mm;

filaments 6–7 mm;

anthers elliptic, 0.5 mm;

ovary glabrous, except pubescent apically, style hairy.

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

globose, 4.5–5 × 3–4 mm, eglandular, pubescent distally, abruptly narrowing to a beak 6–8 mm, exserted beyond calyx.

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

gray-green to brown, often mottled black, lenticular, 4 × 3–3.5 mm;

hilum surrounded by raised, white ridge.

= 22.