Flora of North America species comparison

erect or ascending, leafy, nearly terete or obscurely angular, many-ribbed, stiff.

exceeding or exceeded by inflorescences;

blades linear, proximally flat, 1–5 mm wide, apex trigonous, tapering.

terminal and axillary, clusters of corymbs 1–5, diffuse, branches ascending to divaricate; leafy bracts much exceeding axillary corymbs.

redbrown to dark brown, ovoidlanceoloid, 3–6(–7) mm, apex acute;

fertile scales several, narrowly ovate, 2.5–3.5 mm, apex narrowly acute;

midrib included or shortexcurrent.

perianth absent.

1.3–1.5 mm;

body brown to blackish, tumidly lenticular, nearly orbicular, 0.6–1 × 0.6–1 mm, margins distinct, narrow, flowing into base of tubercle;

tubercle flat, narrowly triangular, at least 0.5 mm high, base broadly 2-lobed, apex acuminate.