Flora of North America species comparison

erect, aerial portion 2–32 cm, subterranean portion 1–15 cm.

erect, branched or simple, 2–30 cm.

opposite, petiolate;

blade oblanceolate to rhombic or ovate, short, 2–60 × 1–20 mm.

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

blade linear, 2–60 × 1–4 mm.

ebracteate.

terminal, 1-bracteate;

bract linear to oblanceolate, to 20 × 2 mm.

2–10, often replaced by bulbils;

sepals 2–4 mm;

petals 5, white or pink, 2–4 mm;

stamens 5, anther pink or lavender.

2–8;

sepals 3–7 mm;

petals 5, white, 4–6 mm;

stamens 3–5, anther yellow.

1–1.5 mm, tuberculate;

elaiosome present.

1.2–2.6 mm, tuberculate;

elaiosome absent.

= 22.

= 28.