拟泽芹 ni ze qin

Sisarum sisaroideum (de Candolle) Schischkin ex Krylov.

Plant 50–100 cm. Root fibrous. Stems erect with creeping underground shoots. Leaves 1-pinnate; leaflets 2–4 pairs, ovate-lanceolate, 2–7 × 1–3 cm, margins serrate-dentate. Upper leaves smaller, leaflets lanceolate. Umbels 3–5 cm across; peduncles elongate; bracts 5–7, lanceolate-linear, 0.5–2 cm, margins white scarious; rays 10–15, 1.5–2.5 cm; bracteoles similar to bracts; umbellules ca. 20-flowered; pedicels 2–5 mm. Calyx teeth triangular, minute, ca. 0.2 mm. Fruit ovoid, ca. 4 × 2.5 mm. Fl. and fr. Jul–Aug.

Forests, meadows, marshes, river banks, stream banks; 100–1300 m. Xinjiang [Afghanistan, Kazakhstan, Kyrgyzstan, Russia, Tajikistan, Turkmenistan, Uzbekistan; C and SW Asia].