Flora of North America species comparison

internodes 4-lined at first, soon 2-winged.

blades elliptic or oblong-linear to narrowly obovate or oblanceolate, 3–10 × 1–3 mm, base not articulated, rounded to cuneate, without glandlike auricles, margins plane to subrecurved, apex obtuse, midrib unbranched.

1-flowered, often with pseudodichotomous branches from apical node, without proximal branches;

pedicels mostly recurved to reflexed in fruit, bracteoles proximal.

10–15 mm diam.;

sepals persistent, enclosing capsule, (2 or) 4, unequal, outer broadly ovate to broadly elliptic, 4–8 × 4–8 mm, apex obtuse to rounded, inner none or minute;

petals 4, pale yellow, narrowly obovate, often unequal, 4–8 mm;

stamens persistent, 30;

ovary 2-merous.

cylindric-ellipsoid, 3–5 × 2–3 mm.

scarcely carinate, 1 mm;

testa finely reticulate.

= 18.