Flora of North America species comparison

2-ranked;

blade lanceolate-elliptic to ovate-lanceolate, 2.5–5 × 1–2 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), margins ciliolate, apex acute, glabrous.

2-ranked;

blade lanceolate-oblong to ovate-elliptic, 5–10 × 2–3.5 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), margins ciliolate, apex acute, glabrous.

terminal, becoming leaf-opposed, sometimes axillary from distalmost leaf axil, 1–2 cyme pairs per stem;

bracts mostly foliaceous, occasionally reduced.

terminal and axillary from distal leaf axils, 2–4 cyme pairs per stem;

bracts foliaceous or more commonly reduced (especially in axillary inflorescences).

distinctly pedicillate;

pedicels 1–1.5 cm, glandular-pilose;

sepals 5–7 mm, midrib pilose with eglandular hairs;

petals distinct, white, not clawed, 8–9 mm;

stamens free;

filaments white, densely bearded with white hairs.

distinctly pedicillate;

pedicels 1–2 cm, glandular-pilose especially toward apex;

sepals 5–7 mm, midrib pilose with glandular and eglandular hairs;

petals distinct, white, not clawed, 9 mm;

stamens free;

filaments white, densely bearded with white hairs.