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, unbranched, retrorsely hairy, leaves clustered;

pseudoscapes mainly subterranean, to 4 cm;

cataphylls 0–5 mm, glabrous or pubescent.

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 5(or 6)-foliolate;

stipules usually persistent, sometimes tardily deciduous, lanceolate to elliptic, (4–)7–11 × 2.5–8 mm, glabrate to pubescent;

petiole jointed basally, (30–)50–120 mm, retrorse-hairy;

petiolules 2–3 mm;

leaflet blades abaxially gray-green, adaxially green to yellow-green, cuneate-obovate to orbiculate, (1.5–)2–4 × (0.8–)1.5–3.5 cm, base cuneate, apex broadly acute to rounded or retuse, surfaces glandular and 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.

disjointing in age at peduncle base, globose to elongate, 1.5–5(–8) cm;

rachis 1.5–2.5 cm, nodes 4–6(–10), (2 or)3 flowers per node, internodes to 8 mm;

bracts tardily deciduous or persistent, ovate to elliptic, 5–12 × 3–7 mm, long-pubescent.

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

(2–)4–8(–10) cm, equal to or shorter than subtending petiole, pilose, hairs spreading or spreading-retrorse.

2–3 mm.

2–4(–6) 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.

10–13 mm;

calyx gibbous-campanulate in fruit, 10–12.5 mm abaxially, 10–12 mm adaxially, glandular, pubescent;

tube 2.5–4 mm;

lobes linear or linear-lanceolate to elliptic, abaxial 7–9 × 2–3 mm, adaxial 4–8 × 1–1.5 mm;

corolla mostly purple, banner white to ochroleucous, elliptic to oblanceolate, 9–12 × 6 mm with claw 2–4 mm, wings 10–12 × 2–2.5 mm with claw 4–4.5 mm, keel 8–9 × 2–3 mm with claw 3.5–4.5 mm;

filaments 7–8.5 mm;

anthers elliptic, 0.3 mm;

ovary glabrous or pubescent apically, style glabrous or pubescent proximally.

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

globose to ovoid, 5–7 × 3.5–5 mm, eglandular, pubescent on adaxial 1/2, beak 1–4 mm, not exserted beyond calyx.

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

red-brown to dark brown or gray-green and black-mottled, ellipsoid to reniform, 4–5 × 3 mm.