Melandrium zhongbaense L. H. Zhou in C. Y. Wu, Fl. Xizang. 1: 722. 1983.

Herbs perennial, 10--20 cm tall, densely pubescent or sparsely glandular hairy. Roots conical, slender. Stems clustered, simple. Basal leaves caespitose, oblanceolate, 3--5 cm × 3--6 mm, both surfaces shortly pubescent, base attenuate into long petiole, apex obtuse; cauline leaves 2 or 3 pairs, lanceolate, smaller than basal leaves, broadly cuneate at base, sessile. Flowers (1--)3--8. Bracts lanceolate, densely glandular hairy. Pedicel 2--8 mm, densely villous with pallid hairs. Calyx narrowly campanulate, 7--13 mm, densely glandular hairy; calyx teeth triangular, margin membranous, ciliate, apex obtuse; veins dark violet, robust, reticulate. Androgynophore ca. 1 mm. Petals violet, subequaling or slightly longer than calyx; claws cuneate, ciliate, auricles minute, limbs bifid; lobes truncate at apex, each with a lateral tooth; coronal scales ligulate. Stamens included. Capsule not seen. Fl. Jul--Aug.

* 4700--5200 m. SW Xizang (Zhongba Xian).