Triglochin hexagona

Slender annual herb, 2.5–7.5 cm high. Leaves flat and thread-like, (2–)2.5–7.5 cm long, usually equal to or exceeding infructescence. Scape at fruiting erect or ascending, 1.3–5.2 cm long; fruiting part 0.4–1.3 cm long, with 10–20(–25) fruits. Fruits angular-oblong, 1–1.2 mm long, 0.8–1 mm wide, subsessile (pedicel up to 0.2 mm long); carpels 6, 3 fertile carpels alternating with 3 undeveloped sterile ones; fertile carpels flat to slightly convex dorsally when dry, distally and basally with 4 lateral wings c. 0.1–0.3 mm long, such that each carpel appears 6-angled when viewed dorsally; sterile carpels remaining attached to pedicel. Fruits mostly Sep.–Jan.