Cyclospermum leptophyllum (Pers.) Sprague ex Britt. & Wilson (redirected from: Ciclospermum leptophyllum)
Family: Apiaceae
(english: marsh parsley, marsh-parsley)
[Apium leptophyllum (Pers.) F. Muell. ex Benth.,  more]
Cyclospermum leptophyllum image
Max Licher  
Duration: Annual Nativity: Non-Native Lifeform: Forb/Herb General: Exotic annual, erect to spreading stems 30 cm, rather coarse, grooved. Leaves: Pinnately 3 or 4 times divided into linear-filiform segments, 3-8 cm. Flowers: Petals 0.3-0.4 mm, white, often fading pink. Fruits: Broadly ellipsoid to globose, 1.5-2 mm, mericarps each with 5 prominent narrow ribs. Ecology: Widespread weed, thrives in lawns, where it becomes knotty or spreading. Notes: Very widespread weed, thought to be from Brazil. Ethnobotany: Some in this genus (and old genus Apium) used for flavoring, for tuberculosis, and as potherb. Etymology: Cyclospermum from Greek kyklos, circle or ring and sperma, seed, referring to the shape of the fruit and seeds. Synonyms: Apium leptophyllum, Apium tenuifolium, Cyclospermum ammi Editor: SBuckley, 2010
Three other spp. are merely casual with us. A. leptophyllum (Pers.) F. Muell., of trop. and subtrop. Amer., is an annual with filiform lf-segments. A. repens (Jacq.) Lag. and A. nodiflorum (L.) Lag. are Mediterranean rhizomatous perennials. The former has a well developed involucre, the latter does not.

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
Cyclospermum leptophyllum image
Max Licher  
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Stephanie Harvey  
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
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Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image
Cyclospermum leptophyllum image