Thesium gypsophiloides A.W.Hill

Shrub, up to 2 m tall, with a woody rootstock but lacking a rhizome, vegetative scales absent from rootstock and lower parts of the stems, stems 1 to 13, erect or suberect, abundantly branched, sulcate to angular distally through decurrent leaves, becoming terete below, brown in lower parts and green in upper parts, moderately leafy (4 to 12 leaves per 50 mm at middle of stem). Leaves usually spreading, linear-lanceolate or larger leaves occasionally lanceolate to ovate-lanceolate, (7.0)9.0-19.5(25.5) x 0.6-2.0 mm, apex acute to acuminate and usually not cartilaginous, midrib raised on both surfaces, margins often scabrous. Flowers in compound monochasial and occasionally dichasial cymes resembling scorpioid cymes, cyme peduncles (2.7)5.7-17.5 mm long. Bracts linear-lanceolate or lanceolate-ovate, 2.4-7.5(9.8) x 0.3-1.0 mm, acute-acuminate, margins often scabrous, usually fused to about 1/2 of peduncle; bracteoles 0.9-4.6 x 0.2-0.5 mm. Perianth 1.7-2.3 mm long, receptacle occasionally slightly elongate, 'glands' often visible on outside; lobes lanceolate to narrowly triangular, 0.6-1.1 x 0.2-0.4 mm, apex hooded, with apical beard. Stamens inserted in perianth tube; filaments 0.1-0.2 mm long; anthers 0.2-0.3 mm long. Style 0.1-0.3 mm long, stigma ± opposite anthers. Placental column straight. Fruit sessile or occasionally stipitate, 4.3-5.3 mm long including persistent perianth (3.5-4.5 mm long excluding perianth), 2.0-3.0 mm wide, with prominent reticulate venation.