Flora of North America species comparison

erect, several branched distally, leaves dispersed along stems;

pseudoscapes 0;

cataphylls often deciduous, sometime persistent, 5–12 mm.

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

pseudoscapes rarely branched, 0–14 cm;

cataphylls 0–13 mm.

palmately 3(or 4)-foliolate, or unifoliolate when subtending inflorescences;

stipules tardily deciduous or persistent, linear-lanceolate to elliptic or rhombic, 3–10(–12) × 0.5–1.5 mm, glabrous or sparsely strigose;

petiole not swollen or jointed basally, terete to slightly canaliculate, 3–11 mm;

petiolules 0.5–3 mm;

leaflet blades linear or narrowly to broadly elliptic, 2–6 × 0.3–0.6 cm, base attenuate, apex acuminate to apiculate, surfaces black-glandular, abaxially pubescent, adaxially 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.

persistent, elongate, lax;

rachis 1.2–9.5 cm, nodes 3–7, (1–)3 flowers per node, internodes to 22 mm;

bracts persistent, lanceolate to orbiculate, 1.5–3.5 × 1–1.5 mm, apex often apiculate, glandular and glabrous or abaxially pubescent.

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.

0.8–10.5 cm, much longer than subtending petiole, appressed-pubescent.

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

3.5–10 mm.

2–3 mm.

8–11 mm;

calyx slightly enlarging in fruit becoming broadly and shallowly campanulate but not gibbous, 4.5–6 mm abaxially, 4–5.5 mm adaxially, glandular, appressed-pubescent, sometimes sparsely so;

tube 2.5–4 mm;

lobes triangular, abaxial 2–4 × 1.5–2.5 mm, adaxial 1.5–3.5 × 1–2 mm;

corolla usually blue-violet to violet-purple, sometimes white, banner usually lighter in throat, oblanceolate to narrowly elliptic, 8–11.5 × 5–7 mm with claw 2–2.5 mm, wings 8–11.5 × 2–3 mm with claw 2–4 mm, keel 6–7 × 2–2.5 mm with claw 3–3.5 mm;

filaments 6–6.5 mm;

anthers elliptic, 0.5 mm;

ovary glabrous, sometimes minutely pubescent apically, style glabrous or minutely pubescent basally.

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.

broadly ellipsoid to globose, 8–10.5 × 8.5–10.5 mm, glandular, glabrous, beak 3–3.5 mm, exserted beyond calyx.

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

olive green to light brown, globose-reniform, 4–6 × 3–4 mm.

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