Flora of North America species comparison

short -branched, forming distinct, often large clumps.

tuberous, 3–4 mm diam.

erect, terete, 1–2.5 mm diam. at top of sheaths.

erect, terete, 2–3 mm diam., smooth.

several.

0(–1), straw-colored, apex acute.

blade absent.

basal 1–2, cauline 2–4, auricles 0.5–3.5 mm, apex rounded, scarious;

blade green to straw-colored, terete, 3–50 cm × 1–2 mm diam.

lateral, compound dichasia, many flowered;

primary bract erect, terete, extending well beyond dichasium.

terminal panicles of 2–10(–20) heads or a single head, 1–4(–10) cm, branches ascending;

primary bract erect;

heads 30–100-flowered, spheric, 8–10 mm diam.

tepals tan or darker, usually with greenish midstripe, lanceolate, 1.9–3.5 mm;

inner slightly shorter;

stamens 3, filaments 0.5–0.8 mm, anthers 0.5–0.8 mm;

style 0.2 mm.

tepals green to straw-colored, often red-tinted, lanceolate-subulate, apex acuminate;

outer tepals 2.5–3.8 mm;

inner tepals 2–3.2 mm;

stamens 3, anthers 1/4–1/2 filament length.

greenish tan or darker, 3-locular, broadly ellipsoid to oblate, 1.5–3.2 mm.

included, chestnut brown, 1-locular, obconic or ovoid, 1.8–2.7 mm, apex obtuse, valves separating at dehiscence, fertile throughout or only proximal to middle.

amber, (0.3–)0.4–0.5 mm.

ellipsoid to oblique-oblong, 0.3–0.4 mm, not tailed;

cody clear to yellow-brown.

= 40, 42.

= 44.