Flora of North America species comparison

prostrate to laxly erect, often glaucous, glabrous or pubescent, hairs spreading.

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

sessile;

blade ovate, elliptic, or obovate, 4–20 × 2–12 mm, base cuneate, rounded, or nearly clasping, apex acute or rounded, surfaces pubescent, hairs 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, to 3.5(–5) × 1.5–3 cm;

rachis thorn-tipped;

peduncle 0.2–0.3 cm;

bracts deciduous, ovate, elliptic, or linear.

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.

(3–)4–8(–9.5) mm, glabrous or pubescent.

(2.5–)3–7(–9) mm, glabrous.

pink, wings usually pink, keel distally yellow, (7.5–)9.5–13.5 mm;

sepals deciduous, elliptic to ovate, lower sepals mostly obovate, (2–)2.5–6 mm, pubescent;

wings obovate to elliptic-obovate, (6.5–)8–12.5 × (2.5–)3–5.5 mm, glabrous or sparsely pubescent;

keel (6–)7.5–11.2 mm, sac glabrous, beak oblong, with 1 or 2 prominent invaginations along abaxial side formed by sinuate excess tissue, (1.4–)2–4 × (0.6–)0.8–1.3 mm, glabrous.

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-ovoid to obovoid, 4.2–7.8 × 3.7–7 mm, base cuneate to rounded, margins with very narrow and even wing, pubescent or glabrous.

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.

3–4.4 mm, most densely pubescent apically, proximal 1/2 sparsely and unevenly pubescent or glabrous;

aril 1.3–2.6 mm, lobes 1/4–1/2 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.

= 36(or 38).

= 18.