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FOC | Family List | FOC Vol. 14 | Apiaceae | Cyclospermum

1. Cyclospermum leptophyllum (Persoon) Sprague ex Britton & P. Wilson, Bot. Porto Rico. 6: 52. 1925.

细叶旱芹 xi ye han qin

Pimpinella leptophylla Persoon, Syn. Pl. 1: 324. 1805; Aethusa leptophylla (Persoon) Sprengel; Apium leptophyllum (Persoon) F. V. Mueller ex Bentham; Selinum leptophyllum (Persoon) E. H. L. Krause ex Sturm.

Plants 25–45 cm. Basal petioles 2–5(–11) cm; blade ob- long to oblong-ovate, 2–10 × 2–8 cm; ultimate segments linear to filiform. Cauline leaves ternate-pinnately decompound; ultimate segments 10–15 mm. Umbels 1.5–2.5 cm across; rays 2–3(–5), 1–2 cm; umbellules 5–23-flowered; pedicels 0.2–4 mm, unequal, the central flower often almost sessile. Fruit globose 1.5–2 × 1–2 mm. Fl. May–Jun, fr. Jun–Jul.

Streamsides, wastelands, ruderal areas. Fujian, Guangdong, Jiangsu, Taiwan [native to South America; widely naturalized as a weed in tropical and temperate regions].


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