ULRICAE Fröd. 1929
Type : Licent 4373, Gansu, China.
Distribution : E Tibet, China (S Gansu, SE Qinghai); forests, mountain summits, gravelly sloes, 3000 – 4500 m.
Description (by 't Hart & Bleij in IHSP, 2003) :
Annual or biennial herbs with erect stems, simple or branched from the base, 3 – 6 cm tall.
Leaves alternate, broadly linear to suboblong, subacute, 4.5 – 7 mm, shortly spurred.
Flowers 5-merous with 5 stamens, sepals basally free, shortly spurred, linear to oblanceolate, subacute, 4 – 4.5 mm, petals lanceolate, subobtuse, white or yellowish, 3.6 – 4 mm, nectar scales narrowly linear, slightly emarginate, styles very short, fruit erect or subdivergent, few-seeded, seed large, probably reticulate-papillose.
According to Fröderström (1932: 116) merely a small form of S. perrotii.