Flora of North America species comparison

erect, branched or simple, 2–30 cm.

erect, branched, 1–10 cm.

alternate, erect, not distinctly petiolate, with clasping leaf sheaths;

blade linear, 2–60 × 1–4 mm.

alternate, erect, not distinctly petiolate, with clasping leaf sheaths;

blade linear, 5–50 × 0.5–2 mm.

terminal, 1-bracteate;

bract linear to oblanceolate, to 20 × 2 mm.

terminal, 1-bracteate;

bract linear to oblanceolate, 1–6 mm.

2–8;

sepals 3–7 mm;

petals 5, white, 4–6 mm;

stamens 3–5, anther yellow.

4–12;

sepals 1.5–2.5 mm;

petals 5, white, 1.5–3 mm;

stamens 3, anther yellow.

1.2–2.6 mm, tuberculate;

elaiosome absent.

0.8–1.2 mm, tuberculate;

elaiosome absent.

= 28.

= 14.