Flora of North America species comparison

prostrate to erect, sometimes glaucous, at least when young, glabrous or pubescent, hairs spreading to slightly incurved.

prostrate to laxly erect, glabrous or very sparsely pubescent, hairs incurved.

subsessile to petiolate, petiole to 1(–2) mm;

blade obovate or elliptic, 4–31 × 0.8–11 mm, base cuneate, apex rounded or acute, surfaces densely to sparsely pubescent or subglabrous, hairs spreading to slightly incurved.

sessile or subsessile;

blade elliptic, obovate, ovate, or scalelike, (1.5–)2–5.9(–8) × 0.8–3.5 mm, base cuneate or rounded, apex acute, surfaces sparsely pubescent to subglabrous, hairs incurved.

terminal, sometimes reduced to (1 or)2–few flowers, 3–12.5 cm;

rachis thorn-tipped;

peduncle 0.1–0.5 cm;

bracts usually deciduous, rarely persistent, elliptic, ovate, or lanceolate.

terminal, sometimes appearing axillary (from branches proximal to racemes of major branches with vegetative portions highly reduced), reduced to 1–3(–5) flowers, 0.5–1 × 0.7–1.9 cm;

peduncle 0–0.2 cm;

rachis not thorn-tipped;

bracts persistent, ovate, lanceolate, or linear.

(1.5–)3.5–10(–20.5) mm, glabrous or pubescent.

(0.6–)1–3(–3.6) mm, usually glabrous, rarely sparsely pubescent.

pink to rose, wings (and other sepals) sometimes light green, distal keel yellow or green, (6–)8–12(–13) mm;

sepals deciduous, ovate, elliptic, or lanceolate, 2–7.2 mm, glabrous or pubescent;

wings obovate to elliptic-obovate, (5–)7–11.5(–12.2) × (2.3–)3–5.2(–5.9) mm, glabrous or pubescent;

keel (5.4–)6.2–10.5 mm, sac glabrous, beak oblong, 1–3 × 0.9–1.5 mm, glabrous.

pink or purple with pale margins, keel sometimes cream, distally greenish yellow, (2.4–)2.9–5.1(–5.4) mm;

sepals: lateral ones deciduous, elliptic, ovate, or obovate, (1.2–)1.6–3(–3.2) mm, upper sepal persistent, ovate, (1–)1.2–2.4 mm, glabrous, margins sometimes sparsely ciliate proximally;

wings obovate, (2.2–)2.5–4.6(–5.1) × 1.8–2.8 mm, glabrous or sparsely pubescent proximally;

keel (1.7–)2.3–3.6 mm, sac incurved-puberulent in distal 1/2, beak obscure, deltate, bluntly rounded, or linear to oblong, (0–)0.1–0.7 × (0–)0.1–0.5 mm, glabrous.

ellipsoid to obovoid, 4.3–8.8(–10) × 3.7–7.3 mm, base cuneate to rounded, margins with narrow, entire or slightly erose wing, glabrous or pubescent.

ellipsoid-obovoid, sometimes broadly so, 1.9–3.6 × 1.6–2.9 mm, base cuneate to rounded, margins narrowly and evenly winged or slightly expanded apically, glabrous or sparsely pubescent apically.

3.3–4.9 mm, ± evenly and moderately densely pubescent, occasionally with glabrate patches;

aril 1.2–3.1 mm, lobes to 1/2 length of seed.

(1.7–)1.9–3.2 mm, body, excluding aril and pubescence, 1–1.9 mm, densely pubescent;

aril (0.3–)0.4–0.7 mm, lobes often highly reduced, nearly absent to 1/6 length of seed.

= 18, 36.