Borya constricta Churchill

Dwarf perennial, erect or reclining, to 25 cm high. Leaves rigid, 8-20 mm long, 0.6-1.2 mm wide; apex pungent, black; margins ciliate; leaf-base margins pale brown, constricted then dilating into dark brown sheath with fine, tangled hairs. Scapes 2-3.5 cm long, jointed near base, deciduous; head 7-10 mm long, 4-10 mm wide, with 6-12 flowers. Outer bracts of involucre 2-5, the longest 6-11 mm, with ciliate margins and apex, the wings lacerate; inner bracts 1-4, sometimes keeled with hairs, black, with acute apex. Floral bracts inflexed, not imbricate, acute, black. Perianth lobes linear. Anthers eglandular. Testa colliculate.

Locally common around granite outcrops in soils of pH 4.4-6.2, sometimes with other Borya spp.