Flora of North America species comparison

profusely branched (erect or spreading and matlike); glaucous, scabrous.

usually sparsely branched proximally (without a dominant central stem); glabrous.

stipules finely divided into crinkled threads, 2 mm;

petiole 0.1–0.3 cm;

leaflet blade linear-obovate, 0.5–1.5 × 0.1–0.3 cm, fleshy, margins entire, apex obtuse to acute, mucronate, surfaces scabrous.

stipules 3–5-fid, (larger, more conspicuous in inflorescences), 0.5–1.5 mm (scarious);

petiole 0.4–2(–2.7) cm;

leaflet blade narrowly oblong-elliptic, 0.8–2.6 × 0.1–0.8 cm, thin, margins entire, apex obtuse to retuse, mucronulate, surfaces glabrous.

solitary flowers in axils of closely spaced leaves throughout;

bracts unifoliate, 8–10 mm.

corymbs or racemes, terminating stems, 1–2 cm (2–3.5 cm in fruit);

bracts ± rudimentary.

reflexed in fruit, 1–2 mm.

slightly ascending in fruit, 6–7 mm (7–11 mm in fruit).

sepals green, ovate, 0.8–1.2 × 0.3–0.7 mm, glabrous;

petals pale yellow, oblong, 1.5–2 × 0.5–1 mm, glabrous;

stamens yellow, 1.5–2.2 mm;

anthers 0.3–0.5 mm;

gynophore strongly reflexed, 0.5–3 mm in fruit;

ovary globose, 1–1.5 mm;

style 2–3(–5) mm.

sepals green, deltate, 1–1.5 × 0.5–0.6 mm, glabrous;

petals yellow, oblong, 3–5 × 1–1.3 mm, glabrous;

stamens (well-exserted), yellow, 7–9 mm;

anthers 1.4–1.6 mm;

gynophore spreading, 2.5–6(–8) mm in fruit;

ovary obovoid, 1.3–1.5 mm;

style 0.7–1 mm.

globose or deltoid, 2–3 × 2–3.2 mm, glabrous, (valves triangular).

rhomboidal (widest distal to midpoint), 2–5 × 3–5(–6.5) mm, glabrous.

1–4, yellowish, globose, 1.3–1.7 mm, smooth.

(1 or) 2–4(–7), stramineous becoming black, globose, 2–2.5 mm, smooth.