绵果荠 mian guo ji

Herbs annual, (2.5-)10-20(-31) cm tall, villous. Stems erect, simple or branched above. Basal leaves often withered by flowering. Cauline leaves with petioles (0.3-)0.5-3.5(-4.5) cm; leaf blade lanceolate, lanceolate-linear, or oblong, (0.5-)1-6 cm × 2-12 mm, sparsely to densely villous with forked trichomes, base attenuate, margin entire, dentate, or sinuate-dentate, rarely pinnatipartite, apex acute. Fruiting pedicels erect-ascending, 1-4 mm, slender, densely villous. Sepals oblong or oblong-linear, (4-)5-7 × 1-1.5 mm, densely villous. Petals pink, linear, 7-10 × 0.5-1 mm, apex obtuse; claw 4-6 mm. Filaments 4-6 mm, slender; anthers oblong, 0.8-1 mm. Fruit ovoid, 4.5-6.5 × (2-)2.5-4 mm, densely covered with white, undulate, silky trichomes 5-8 mm; style slender, (2.5-)4-7 mm. Seeds brown, ovoid, 2.5-3.5 × 1.2-2 mm. Fl. and fr. May-Jun.

Gypsum ground, sandy or rocky soil; 300-1200 m. Xinjiang [Kazakhstan, Kyrgyzstan, Tajikistan, Turkmenistan, Uzbekistan; SW Asia].