Flora of North America species comparison

decumbent to erect, usually pubescent, rarely glabrous, hairs spreading or incurved.

erect to sprawling, densely pubescent or glabrate, with dense, matted or shaggy tomentum, hairs appressed, incurved, or, occasionally, irregularly spreading.

subsessile to petiolate, petiole to 1(–1.5) mm;

blade elliptic to linear, lanceolate, ovate, obovate, or scalelike, (3–)4–41 × (0.5–)1–12(–18) mm, base rounded to cuneate, apex obtuse to rounded, surfaces pubescent or glabrous, hairs incurved or spreading.

sessile or subsessile, rarely with narrow, petiolelike base to 1(–2) mm;

blade linear to oblanceolate or obovate, (3–)4–20(–25) × 0.8–3(–3.5) mm, base long-cuneate, apex rounded to acute, surfaces densely pubescent, hairs incurved.

terminal, usually leaf-opposed, often also from near base of plant, these usually with chasmogamous flowers, occasionally bearing reduced, beakless cleistogamous or semi-cleistogamous flowers, rarely with cleistogamous or semi-cleistogamous flowers throughout, 1–12(–15) × 0.3–1.5 cm;

rachis not thorn-tipped;

peduncle 0–1 cm;

bracts usually persistent, ovate, lanceolate, or elliptic.

terminal, sometimes aggregated into pseudopanicles or reduced and appearing fasciculate, 1.5 × 0.7–1.3 cm;

rachis thorn-tipped;

peduncle 0–0.1 cm;

bracts deciduous, lanceolate or ovate.

1–4.5 mm, pubescent.

(2.5–)3–7(–9) mm, glabrous.

usually pink to purple, rarely white, keel yellowish distally, wings pink or rose, (3.7–)4–7.4(–7.7) mm;

upper sepal persistent, other sepals deciduous, upper sepal ovate, 1.7–4.5(–5.2) mm, lower sepals lanceolate to obovate, (1.3–)1.6–3.5(–3.8) mm, pubescent or glabrous;

wings obovate to oblong-obovate, 3–6.4(–7.2) × (1.2–)1.4–3.2 mm, glabrous or pubescent;

keel (2.7–)3.1–6.2 mm, sac glabrous or with scattered hairs, beak linear (or bluntly rounded), (0–)0.5–2 × (0–)0.2–0.6 mm, glabrous or pubescent.

cream or greenish, (2.5–)3–4.7(–5.2) mm;

sepals deciduous, ovate or elliptic, 1.3–3.3 mm, glabrous or with few incurved hairs subapically, margins sparsely ciliate;

wings obovate, 2.5–4.9 × 1.5–3 mm, glabrous or sparsely pubescent subapically;

keel (2–)2.5–3.4 mm, sac glabrous or appressed-pubescent in upper part, beak mostly absent, when present, a bluntly rounded projection, 0(–0.5) × 0(–0.5) mm, glabrous or pubescent.

ellipsoid, oblong, slightly ovoid, or obovoid, 3.3–6(–6.8) × 2–4 mm, base rounded to subtruncate, often oblique, margins with narrow wing or not winged, usually pubescent, rarely subglabrous.

broadly ellipsoid, ovoid, or subglobose, 3.5–5.8 × 3.3–4.6 mm, base truncate to rounded, margins with narrow and even wing, glabrous.

2.8–4.3 mm, pubescent;

aril 0.7–2.5 mm, lobes to 3/4 length of seed.

2.8–4.2 mm, sparsely pubescent to subglabrous;

aril 1.2–2.3 mm, lobes to 1/3 length of seed.

= 18.