Thesium gracile A.W.Hill

Rhizomatous suffrutex, up to 0.3 m tall, vegetative scales present on rhizome and lower parts of aerial stems, stems 4 to 16, arising from rhizome at intervals, suberect or occasionally spreading, slender, branched, green, sulcate distally through decurrent leaves, often terete below, moderately leafy (5 to 10 leaves per 50 mm at middle of stem). Leaves more or less spreading, young leaves can be adpressed, linear, 4.0-17.0 x 0.3-1.0 mm, apex acute-acuminate and usually cartilaginous, midrib raised on both surfaces, margins entire. Flowers in simple or compound 3-flowered dichasial cymes, or occasionally monochasial cymes; cyme peduncles 2.0-8.0(18.0) mm long. Bracts linear-lanceolate, 2.5-7.5 x 0.2-0.6 mm, acute, margins entire, fused to 1/8-1/4 of peduncle; bracteoles 1.4-3.0 x 0.2-0.4 mm. Perianth 1.8-3.0 mm long, receptacle occasionally slightly elongate, 'glands' often visible on outside; lobes narrowly triangular, 0.8-0.9 x 0.7-0.4 mm, apex very slightly hooded, with sparse apical beard. Stamens inserted at base of tepals; filaments 0.2-0.4 mm long; anthers 0.2-0.5 mm long. Style 0.2-0.6 mm long, stigma ± opposite anthers. Placental column straight. Fruit sessile, 3.0-4.0 mm long including persistent perianth (2.5-3.6 mm long excluding perianth), 2.2-2.5 mm wide, with prominent reticulate venation.