Description from Flora of China
Herbs annual, tufted, glabrous. Stem solitary, erect, 7-8 cm. Leaf blade narrowly oblong, 6-8 × 1.6-1.8 mm, veins 3-5, lateral ones anastomosing before reaching margin, base broadly and truncately spurred, apex obtuse. Cyme corymbiform, lax, 3-5-flowered; bracts narrowly oblong. Flowers unequally 5-merous; pedicel 2-7(-15) mm. Sepals narrowly oblong, 6.8-7.5 × 2-2.2 mm, veins 3-5, anastomosing near margin, base obtusely long spurred, apex obtuse. Petals yellowish, oblong, 7-8 × 2-2.3 mm, base connate for ca. 0.8 mm, apex obtuse. Stamens 10; antepetalous ones inserted 1-1.5 mm from petal base. Nectar scales linear-subspatulate, dilated at both ends, apex subrounded to truncate. Carpels suberect, oblong, 7-7.6 mm, base subconnate; ovules 10-12. Seeds obovoid-lanceolate, winged. Fl. Aug, fr. Sep.
* Rocks in Abies forests, among weeds, pebble beaches; ca. 3800 m. NW Yunnan (Zhongdian Xian).