Pseudoarabidopsis toxophylla (M. Bieb.) Al-Shehbaz, O'Kane & R. A. Price

Herbs biennial or perennial, (0.5-)1-4.5(-6.9) cm tall, often with petiolar remains of basal leaves. Stems erect or ascending, simple or few branched at base, pubescent with sessile stellate trichomes, rarely glabrescent distally. Basal leaves rosulate, pubescent as stems; petiole (0.3-)0.8-3.5(-6) cm; leaf blade oblanceolate, spatulate, oblong, or ovate, (0.7-)1-4(-8) × (0.4-)0.8-2(-3) cm, margin entire, dentate, or rarely runcinate, apex acute. Middle cauline leaves narrowly oblong or linear, sessile, 1-5.5(-8) cm × 1-7(-15) mm, base deeply sagittate-amplexicaul or rarely auriculate, margin entire or rarely obscurely denticulate, apex acute; auricles to 10 × 1 mm. Fruiting pedicels slender, glabrous, divaricate to divaricate-ascending, (2.5-)4-10(-15) mm. Sepals oblong, (2-)2.5-3(-3.5) × 0.6-0.9 mm, glabrous or rarely pubescent. Petals white or pink, spatulate, (6-)6.5-8(-9) × (1.5-)2-3 mm; claw distinct. Filaments 2.5-4(-5) mm; anthers narrowly oblong, 0.8-1 mm. Fruit (0.8-)12-2(-2.8) cm × 0.5-0.8 mm, only slightly torulose; gynophore distinct, (0.1-)0.2-0.6(-10) mm; style 0.1-0.4(-0.9) mm. Seeds brown, 50-100 per ovary, oblong or ovoid, 0.4-0.6 × 0.2-0.3 mm. Fl. May-Jun, fr. Jun-Jul. 2n = 12.

Steppe. Xinjiang, Xizang [Afghanistan, Kazakhstan, Russia].

Arabis toxophylla Marschall von Bieberstein, Fl. Taur.-Caucas. 3: 448. 1819-1820; Arabidopsis toxophylla (Marschall von Bieberstein) N. Busch; Sisymbrium toxophyllum (Marschall von Bieberstein) C. A. Meyer; Stenophragma toxophyllum (Marschall von Bieberstein) B. Fedtschenko.

Pseudoarabidopsis es un género monotípico de plantas con flores de la familia Brassicaceae. Su única especie, Pseudoarabidopsis toxophylla, es originaria de Asia Central.​

Pseudoarabidopsis toxophylla là một loài thực vật có hoa trong họ Cải. Loài này được (M.Bieb.) Al-Shehbaz, O'Kane & R.A.Price miêu tả khoa học đầu tiên năm 1999.