LEBLANCIAE   Hamet 1910

Distribution : China (SW Sichuan, NW Yunnan); rocks in forests, rock walls, among mosses on limestone rocks, 1500 - 3500 m.

Description (by 't Hart & Bleij in IHSP 2003) :

Perennial herbs with erect stems, branched from near the base, mamillate towards the tip, 3.5 - 13 cm.

Leaves in whorls of 4 at the base, alternate in the upper part,  linear to broadly oblanceolate, mamillate towards the tip, 4 - 8 mm.

Inflorescences rather dense corymbs.

Flowers 5-merous, on short pedicels, with 5 - 10 stamens, sepals broadly sessile, unequal, linear-spatulate, rounded to obtuse, mamillate towards the tip, 2.5 - 5 mm, petals oblong to semi-ovate, mucronate or subacute, colour not described, 4 - 8 mm.

Fröderström (1931) distinguished two varieties (var. dielsii, var. torquatum). These are here classified as S. dielsii and S. tsiangii var. torquatum.