Flora of North America species comparison

erect, unbranched proximal to inflorescence or few-branched at base.

proximalmost opposite, distalmost alternate, sometimes opposite nearly to inflorescence, erect to ascending;

stipular glands absent;

blade narrowly elliptic to oblanceolate, 8–27 × 1.2–5.6 mm, margins entire, not ciliate, apex acute;

internal venation shown by transmitted light.

panicles.

0–5 mm.

sepals persistent, lanceolate, 2–3 mm, margins not scarious, entire, or inner and rarely outer sparsely glandular-toothed, apex sharp-pointed;

petals yellow, obovate, 4–7 mm;

stamens 3 mm;

anthers 0.5–1 mm;

staminodia absent;

styles distinct, 1.5–2.5 mm;

stigmas capitate.

turbinate, 2–3 × 2–2.3 mm, apex acute or obtuse, dehiscing freely into 10, sharp-pointed 1-seeded segments, segments persistent on plant, false septa incomplete, proximal margins sparsely but conspicuously ciliate.

1.3–1.8 × 0.6–0.9 mm.

= 36.