Thysanotus tenellus

Thysanotus tenellus is a perennial herb with a small rootstock. Its roots are tuberous, the tubers stalked about 10–15 mm (0.39–0.59 in) long. Five to 27 leaves are produced annually, channelled and ridged on the lower surface, 100–280 mm (3.9–11.0 in) long with the edges usually hairy. The flowers are borne in panicles 70–440 mm (2.8–17.3 in) long with up to four umbels, each flower on a pedical 8–17 mm (0.31–0.67 in) long. The perianth segments are 6.5–13 mm (0.26–0.51 in) long, the sepals lance-shaped, about 2.5 mm (0.098 in) wide and the petals are purple, sometimes white, about 5.5 mm (0.22 in) wide with a fringe about 4 mm (0.16 in) wide. There are six stamens, the outer three anthers 2–4 mm (0.079–0.157 in) long and the three inner anthers 2.5–5 mm (0.098–0.197 in) long. The style is about 4 mm (0.16 in) long. Flowering occurs from September to November, and the seeds are more or less spherical, about 1.5 mm (0.059 in) in diameter with a straw-coloured aril.

This species of Thysanotus grows in granite, loam, sandy clay or sand in swamps, in the Avon Wheatbelt, Esperance Plains, Jarrah Forest, Swan Coastal Plain and Warren bioregions of south-western Western Australia and in South Australia.