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 to decumbent, short and hidden by stipules, sometimes with decumbent lateral stems with dense cluster of leaves and inflorescences distally, unbranched, leaves clustered;

pseudoscapes to 0.5 cm;

cataphylls to 15 mm, conspicuously veined.

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(–8)-foliolate;

stipules persistent, lanceolate to elliptic, 5–14 × 2.5–5 mm, pubescent;

petiole jointed to leaf spur, 4–13(–15) mm, glabrate to sparsely pubescent;

petiolule 0.5–2 mm;

leaflet blades broadly ovate, orbiculate, oblanceolate, or ± rhombic, 1–4 × 0.6–4 cm, base cuneate or attenuate, apex rounded to broadly acute, surfaces gray-green to yellow-green, sometimes bicolor, glandular, appressed-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, subglobose to elongate;

rachis 0.5–7 cm, elongating in fruit, nodes 2–10, (1–)3(or 4) flowers per node, internodes relatively short or to 9 mm;

bracts tardily deciduous, oblanceolate, lanceolate, or elliptic, (6–)8–13(–18) × 2.5–10 mm, eglandular to sparsely glandular, strigose abaxially.

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

2.5–7.5(–10) cm, shorter than subtending petiole, pubescent, with relatively long, erect to reflexed hairs or with hairs of 2 types: short, appressed to incurved-ascending hairs and long, spreading-erect to reflexed, straight to curly hairs.

2–3 mm.

1.5–6(–8) 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.

(13–)15–20(–22) mm;

calyx gibbous-campanulate in fruit, (14–)16–19 mm abaxially, (13–)15–17 mm adaxially, eglandular or minutely glandular, setose or with appressed hairs;

tube 6–8(–10) mm;

lobes lanceolate to oblanceolate or elliptic, abaxial 7–10 × 2.5–3 mm, adaxial 6–8 × 1–2 mm;

corolla whitish blue to purple, banner lighter than or similar to wings and keel, obovate-lanceolate, 16–22 × 6–9 mm with claw 6–7 mm, wings 13–20 × 2–3 mm with claw 8–10 mm, keel 14–16 × 2–3 mm with claw 8–9 mm, blade with darker blotch distal to middle;

filaments 13–17 mm;

anthers elliptic, 0.3 mm;

ovary pubescent throughout or on distal 1/2, style pubescent at base.

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

oval-ellipsoid, 6–9 × 4–5 mm, eglandular, erect- to appressed-pubescent distally, beak attenuate, (3–)5–8 mm, included within calyx.

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

brown, reniform-elliptic, 4–5 × 3–4 mm, shiny.