Herbs perennial, erect, 8-10 cm. Flowering stems branched from base. Leaves ± imbricate; leaf blade oblong-oblanceolate, ca. 6 × 1.5 mm, base shortly spurred, apex obtuse. Cyme often 3-branched, corymbiform, many flowered; bracts resembling stem leaves, shorter than flowers. Flowers sessile, unequally 5-merous, campanulate, ca. 7 mm. Sepals oblong-linear, unequal, ca. 1/2 as long as petals, fleshy, apex obtuse. Petals oblong, 4-6.5 × ca. 1.2 mm, abaxially slightly keeled, apex obtuse. Stamens 10, shorter than or subequaling petals. Nectar scales suboblong, small. Follicles erect or divergent, oblong, ca. 6 mm. Seeds oblong, small, veins minutely and obscurely netted. Fl. Jul-Aug, fr. Oct-Nov.

* Mountainous areas; 2500-3900 m. Taiwan.