Anguillicarpus bulleri Burkill; Spirorhynchus bulleri (Burkill) O. E. Schulz.

Annuals, 15-50(-70) cm tall. Stems erect, many branched on lower and middle part, glabrous. Leaves sessile; leaf blade linear, (1-)3-8(-12) cm × (0.5-)1-4(-7) mm, glabrous, base attenuate, margin remotely dentate, sinuate, or pinnately lobed, entire in upper leaves, apex acute. Fruiting pedicels filiform, (0.5-)0.8-1.5(-2) cm, straight or reflexed, articulate at base, sparsely puberulent or papillate with trichomes to 0.3 mm. Sepals oblong-linear, 1.5-2.5 × 0.4-0.6 mm, glabrous, margin narrowly membranous, apex acute. Petals white or lavender, linear, (3-)4-6(-8) × 0.3-0.5 mm. Filaments white, median pairs 1.5-2 mm, lateral pair ca. 1 mm; anthers oblong, 0.6-0.9 mm. Fruit seed-bearing portion narrowly ellipsoid, 3.5-6 × 2-3(-4) mm; stipelike base attenuate, (3-)4-8(-10) mm, glabrous; style flattened, strongly curved or rarely straight, glabrous, (1.3-)1.7-2.5(-3) cm. Seeds narrowly oblong, 3-5 × (0.8-)1-2 mm. Fl. and fr. Apr-May.

Sandy deserts; 300-1000 m. Xinjiang [Afghanistan, Kazakhstan, Kyrgyzstan, Pakistan, Tajikistan, Turkmenistan, Uzbekistan; SW Asia].