Flora of North America species comparison

densely branching.

few–20.

round or flattened in cross section.

often present at culm base.

basal, (1–)2–3;

auricles 2–5 mm, apex acute, membranous;

blade flat, 3–12 cm × 0.5–1 mm, margins entire.

sheaths open;

blade flat, channeled, ensiform or terete, sometimes septate, margins involute.

5–40-flowered, borne congested or branch internodes ca. as long as tepals, ssomewhat loose, 1–5 cm;

primary bract usually longer than inflorescence.

terminal or pseudoaxillary, monochasia or dichasia, usually with monochasial branches, cymes or 1–many heads in racemes or panicles;

bracteoles 2 or absent.

bracteoles 2;

tepals greenish, lanceolate, 3.3–4.4 mm;

outer and inner series nearly equal;

stamens 6, filaments 0.5–0.9 mm, anthers 0.1–0.2 mm;

style 0.1–0.2 mm.

tepals (4–)6 in 2 whorls;

stamens (2–)3–6.

tan or light brown, 1-locular to pseudo-3-locular, ellipsoid, (3.3–)3.8–4.7 × (1.1–)1.3–1.7 mm, nearly equal to tepals.

1-locular or 3-locular, septicidal.

tan, ellipsoid to lunate, (0.52–)5.5–0.65(–0.7) mm, not tailed.

many, ellipsoid to ovoid, sometimes tailed.

= 80.