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Cyclospermum leptophyllum (Pers.) Sprague  

No occurrences found

Family: Apiaceae
marsh parsley
[Apium leptophyllum (Pers.) F.Müll. ex Benth., moreApium tenuifolium (Moench) Thell., Cyclospermum ammi (L.) Lag.]
Cyclospermum leptophyllum image
Max Licher
  • Gleason & Cronquist
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Vascular plants of NE US and adjacent Canada
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.
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
Cyclospermum leptophyllum
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Cyclospermum leptophyllum image
Max Licher
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NSF NEON | Open Data to Understand our Ecosystems The National Ecological Observatory Network is a major facility fully funded by the National Science Foundation. Any opinions, findings and conclusions or recommendations expressed in this material do not necessarily reflect the views of the National Science Foundation.