1. Cruciferae (十字花科)
2. Arabis (南芥属)
3. Arabis fruticulosa (小灌木南芥)

Arabis fruticulosa var. albescens N. Busch; Koeiea altimurana K. H. Rechinger.

Subshrubs or shrubs, 10-35(-50) cm tall, densely tomentose throughout with short-stalked, dendritic trichomes rarely up to 0.2 mm in diam. Stems several from base, woody, creeping then erect, covered with leaf remains of previous years. Basal leaves rosulate; petiole 0.5-2.5 cm; leaf blade oblanceolate to oblong-lanceolate, 1-5(-6) cm × 1-7 mm, base attenuate, margin entire, apex obtuse or subacute. Cauline leaves absent or 1-4, sessile; leaf blade narrowly oblong to ovate-oblong, 0.5-1.7 cm × 2-5 mm, base subamplexicaul, margin entire, apex obtuse or subacute. Racemes ebracteate. Fruiting pedicels divaricate-ascending, 3-7(-10) mm, straight to slightly curved, slender, tomentose. Sepals oblong, 3-5 × 1.5-2 mm, tomentose, lateral pair saccate. Petals purple or pink, rarely white, obovate, (0.6-)0.9-1.2 cm × 2-4(-5) mm. Filaments 3-5 mm; anthers narrowly oblong, 1-1.2 mm. Ovules 26-40 per ovary. Fruit (2.5-)3-5 cm × 1-2 mm; valves tomentose, torulose, with inconspicuous or distinct midvein; style obsolete or absent. Seeds brown, oblong, 1.5-2.5 × 0.8-1.2 mm, uniseriate, narrowly winged; wing to 0.1 mm wide. Fl. Apr-May, fr. May-Jul.

Rocky crevices, slopes, hillsides; 500-3400 m. Xinjiang [Kazakhstan, Kyrgyzstan, Mongolia, Pakistan, Russia, Tajikistan].