Description from Flora of China
Microsisymbrium qingshuiheense Ma & Zong Y. Zhu, Acta Sci. Natur. Univ. Intramongol. 20: 538. 1989.
Herbs annual, 8-13 cm tall, densely covered with short-stalked, forked or 3-rayed trichomes, these mixed with simple ones at least on petioles. Stems usually few from base, ascending or erect. Basal leaves rosulate; petiole 1-1.5 cm; leaf oblanceolate, 1-1.5 cm × 2-2.5 mm, base cuneate, margin coarsely dentate or pinnatifid, apex acute; terminal lobe 2.5-3 mm. Cauline leaves few, similar to basal leaves but smaller and with a shorter petiole. Racemes ebracteate; rachis distinctly flexuous in fruit. Fruiting pedicels ascending or divaricate, slender, narrower than fruit, 3-4 mm. Sepals oblong, 2-2.5 × 1-1.3 mm, not saccate. Petals white or pink, broadly obovate, ca. 5 × 2.5 mm, apex retuse. Ovules 20-22 per ovary. Fruit cylindric, 0.8-2 cm × ca. 1 mm, straight, terete, strongly torulose, pubescent with short-stalked, forked or 3-rayed trichomes; style ca. 1 mm; stigma slightly 2-lobed. Seeds oblong, ca. 1 × 0.5-0.6 mm. Fl. and fr. Jul.
The present authors have seen no material of this species, and the above description was taken from the protologue.
* Rocky areas. Nei Mongol.