Flora of North America species comparison

short-erect, with decumbent laterals, decumbent stems 0–6 cm, overtopped by leaves, leaves clustered;

pseudoscapes usually 1, unbranched, rarely 2, 0.5–9.5 cm;

cataphylls 5–20 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, linear-lanceolate to elliptic, 4–19 × 2–6 mm, appressed-pubescent;

petiole not obviously jointed basally, (20–)30–210 mm;

petiolules 1–3 mm;

leaflet blades elliptic to lanceolate, oblanceolate, or rhombic, 1–7.5 × 0.3–4 cm, base cuneate, apex acuminate, surfaces glabrate to sparsely pubescent.

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.

disjointing in age at peduncle base, ovate to oblong;

rachis 0.5–6 cm, elongating slightly in fruit, nodes 3–15, 3 flowers per node, internodes crowded in flower, elongating to 25 mm in fruit;

bracts mostly persistent or very tardily deciduous, linear to oblanceolate or rhombic, 3–11 × 1.5–4.5 mm, appressed-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.

1–14 cm, shorter than subtending petiole, subappressed-pubescent.

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

1–5 mm.

1–2 mm.

11–18 mm;

calyx weakly gibbous-campanulate in fruit, 9–15 mm abaxially, 6–14 mm adaxially, usually eglandular, very rarely glandular on tube, pubescent;

tube 2.5–6 mm;

lobes subulate or linear-lanceolate to lanceolate, abaxial 6–10 × 1.5–3(–4) mm, adaxial 4.5–9 × 1–1.5 mm;

corolla lavender to purple, banner paler, sometimes also marginally white, elliptic to obovate, 11–18 × 4–7 mm with claw 2–5 mm, wings 11–16 × 2–3 mm with claw 3.5–6 mm, keel 6–12 × 2–3 mm with claw 2.5–7 mm;

filaments 6–11 mm;

anthers round to elliptic, 0.3–0.5 mm;

ovary glabrous or pubescent apically, 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.

ellipsoid-lanceoloid to oblong, 5–6.5 × 3–5 mm, eglandular, glabrous or slightly pubescent, beak 7–19 mm, exserted beyond calyx.

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

red-brown or gray, globose-reniform, 4–5 × 2.5–3.5 mm, smooth to somewhat rugose.

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

hilum surrounded by raised, white ridge.

= 22.

= 22.