Leptaspis banksii R.Br.
Brown, R. (1810) Prodromus Florae Novae Hollandiae : 211. Type: Queensland, Endeavour River, Banks & Solander; BM?.
Can attain a height of 1 m but usually flowers and fruits when smaller.
Outer bracts two, one tongue-like bract inside the other which is inflated into a dome with a small opening near the base. Flowers about 4 x 3.5 mm, clothed in short hooked hairs. Tepals (?) six, very small, around the base of the ovary. Ovary hairy on the upper surface. Ovary, style and stigma about 2-3 mm long.
First leaves emerge through a pore in the sheathing base of the 'cotyledon'. At the tenth leaf stage: leaf blade twisted through 180 at its junction with the 'petiole' so that the undersurface faces upwards. Fine teeth visible with a lens on the leaf blade margin and both the upper and lower surfaces of the midrib and sometimes the major veins.
Food plant for the larval stages of the Large Darter and Small Darter Butterflies. Common & Waterhouse (1981).