Flora of North America species comparison

laxly erect, decumbent, or prostrate, pubescent to subglabrous, hairs incurved.

erect to sprawling or decumbent, sometimes glaucous, glabrous or sparsely pubescent, hairs incurved.

sessile or subsessile;

blade ovate, elliptic, or obovate, 7–50(–60) × 3–20(–26) mm, base usually rounded to acute, sometimes cuneate, apex rounded to acute, surfaces pubescent, hairs incurved.

petiolate, petiole 0.5–5 mm;

blade linear to ovate, 10–50(–65) × (3–)4–11(–16) mm, base cuneate to rounded, apex acuminate to rounded, surfaces glabrous or pubescent at least along basal midvein abaxially, hairs incurved.

terminal or leaf-opposed, 1–4(–5) × 1.8–3 cm;

rachis not thorn-tipped;

peduncle 0–1 cm;

bracts early deciduous, linear to lanceolate.

terminal, sometimes appearing axillary, 1–8(–22) × 1.5–3 cm;

rachis not thorn-tipped;

peduncle 0.2–0.6 cm;

bracts deciduous to subpersistent, lanceolate to ovate.

(2.5–)3.5–8.5 mm, sparsely pubescent or glabrous.

2.5–11 mm, pubescent or glabrous.

usually pink, rarely white, keel distally yellow (fading white), (2.5–)9–14.5 mm, cleistogamous and semi-cleistogamous flowers mostly 2.5–5 mm, intergrading with chasmogamous flowers;

sepals deciduous, elliptic, 4–6.5 mm, pubescent or glabrous;

wings obovate, (7.5–)8–12 × 2.5–6 mm, glabrous or sparsely pubescent;

keel (7–)8–11 mm, sac glabrous (sometimes proximally ciliate), beak oblong, (1.2–)1.6–3 × 0.7–1 mm (mostly absent in cleistogamous flowers), usually notched or contorted abaxially, rarely subentire, pubescent.

cream, greenish, or pink, keel distally rose, fading green, 7–14 mm;

sepals deciduous, ovate, elliptic, or suborbiculate, 1.8–4.5(–5.2) mm, pubescent;

wings obovate to elliptic, (6–)6.3–11(–12) × (3–)3.5–5.6(–6) mm, usually pubescent, rarely glabrous, margins ciliate;

keel 7.5–10.2 mm, sac glabrous or sparsely pubescent, beak linear, entire, 0.5–2.5 × 0.2 mm, pubescent.

ellipsoid to ovoid, 7.3–10.5 × 4.5–7 mm, in cleistogamous and semi-cleistogamous flowers 4.5–8 mm, base obtuse, rounded, or subtruncate, margins with narrow, entire or slightly erose wing, glabrous, margins sometimes ciliolate.

ovoid to subglobose, 5.9–10.2 × 6–9.6 mm, base rounded to truncate or subcordate, margins with narrow, entire or slightly erose wing, glabrous, margins sometimes ciliolate.

3.5–6 mm, densely pubescent;

aril 1.7–4 mm, less than 1/2 length of seed.

4.5–7.3 mm, pubescent;

aril 2–5.2 mm, lobes 1/4–1/2 length of seed.

or semi-cleistogamous flowers often present terminally, on much reduced scale-leaved lateral branches from proximal (or distal) leaf axils, or terminally on leafy branches that are often leaf-opposed.

= 18.