Flora of North America species comparison

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

sparsely branched distally (central stem dominant); glaucous, 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 (± deciduous) 2–4-fid, 0.5–1 mm (scarious);

petiole 0.7–2.8 cm;

leaflet blade linear to elliptic, 2.3–5.5 × 0.2–0.8 cm, thin, margins entire, apex acute, surfaces glabrous.

solitary flowers in axils of closely spaced leaves throughout;

bracts unifoliate, 8–10 mm.

racemes, terminating stems and branches, 1–6 cm (10–40 cm in fruit);

bracts trifoliate proximally, unifoliate distally, 7–15 mm.

reflexed in fruit, 1–2 mm.

reflexed in fruit, 5–10 mm (6–13 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 yellow, deltate, 1–2.2 × 0.5–1 mm, glabrous;

petals orange-yellow, ovate, (3–)4–5(–6) × 1–2 mm, glabrous;

stamens yellow, 7–10 mm;

anthers 1.5–2.2 mm;

gynophore reflexed, 4–7 mm in fruit;

ovary rhomboidal, 1–1.5 mm;

style 0.3–0.5 mm.

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

rhomboidal, 4–6 × 6–12 mm, glabrous.

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

2–4(–6), gray with black mottling, reniform, 2–3 mm, rugose.