Einadia trigonos subsp. trigonos

Straggling prostrate to weakly ascending perennial with branches to c. 2 m long, usually rather sparse. Leaves alternate, petiolate, broadly hastate to deltoid, mostly 10–25 mm long, 5–20 mm wide, thin-textured, bright green, glabrescent above, sparsely mealy below. Panicles axillary and/or terminal, slender, interrupted; perianth 0.5–1 mm diam., tepals sparsely mealy to glabrous; stamen solitary or absent; pericarp thin, membranous, papillate, persistent, blackening at maturity and remaining clasped by incurved tepals. Seed shining black, c. 1 mm diam., smooth to weakly striate.  Flowers mostly Sep.–Apr.