Euphorbia alatavica Boiss.

Herbs, perennial, (8-)20-50 cm tall, Rootstock woody, to more than 10 cm × 4-8 mm thick. Stems many from base, ca. 3 mm thick, upper parts undivided, often reddish, often white pilose. Leaves alternate, broader toward apex; stipules absent; petiole absent; leaf blade ovate-elliptic, (1-)2-3(-3.5) × 0.8-1 cm, ± villous, base rounded, margin finely serrulate, sometimes inconspicuous, apex acuminate; lateral veins inconspicuous. Inflorescence a terminal pseudumbel, sometimes with additional cymes from upper axils; primary involucral leaves (3 or)4(-8), often flushed reddish purple, triangular-ovate, ca. 1.3 × 0.8-1 cm, base attenuate, apex rounded, primary rays usually 4, ca. 2(-3.5) cm; cyathophylls 3, obovate, 4-6 × 4-6 mm. Cyathium sessile; involucre cuplike, ca. 2 × 2 mm, lobes ovate-orbicular, glabrous; glands 4, brown-yellow, transversely elliptic-orbicular. Male flowers many, slightly exserted from involucre. Female flower: ovary [pedicel short] exserted from involucre; ovary tuberculate, glabrous; styles free; style arms slightly 2-lobed. Capsule globose, 2.5-3.5 × 3.5-4.5 mm, sparsely tuberculate, glabrous. Seeds ovoid-globose, 1.5-2 mm, shiny dark brown; caruncle present, shortly stipitate. Fl. Jun-Aug.

Steppes, sparse forests in mountains. Xinjiang (Ili He valley) [Kazakhstan, Kyrgyzstan, Tajikistan].

Euphorbia alatavica, es una especie fanerógama perteneciente a la familia Euphorbiaceae. Es originaria del centro de Asia hasta el noroeste de China.

Euphorbia alatavica là một loài thực vật có hoa trong họ Đại kích. Loài này được Boiss. mô tả khoa học đầu tiên năm 1860.

阿拉套大戟（学名：Euphorbia alatavica）为大戟科大戟属的植物。分布在中亚以及中国大陆的新疆等地，生长于海拔1,700米至2,000米的地区，多生在山地草原、草甸及林缘，目前尚未由人工引种栽培。