Cyclostigma is a genus of extinct plants belonging to the Lycopodiopsida (lycopsids).
| Cyclostigma Temporal range:
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Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Lycophytes |
| Class: | Lycopodiopsida |
| Genus: | †Cyclostigma Haught., nom. cons.[1] |
Taxonomy edit
Cyclostigma Haught. was first used by Samuel Haughton in 1859 for the type species C. kiltorkense.[1] The name Cyclostigma has been used for a genus no fewer than four times. Three are synonyms:
- Cyclostigma Hochst. ex Endl. is a synonym of Voacanga Thouars.[2] This is the oldest name, dating from 1842, and so would normally have priority but Cyclostigma Haught. has been conserved against it.[1]
- Cyclostigma Klotzsch is a synonym of Croton L.[3]
- Cyclostigma Phil. is a synonym of Leptoglossis Benth.[4]
References edit
- ^ a b c "Search for 'Cyclostigma'", International Code of Nomenclature for algae, fungi, and plants: Appendices I–VII, Smithsonian National Museum of Natural History, retrieved 2019-10-31
- ^ "Cyclostigma Hochst. ex Endl.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-10-31
- ^ "Cyclostigma Klotzsch", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-10-31
- ^ "Cyclostigma Phil.", Plants of the World Online, Royal Botanic Gardens, Kew, retrieved 2019-10-31
- ^ Hao, Shougang & Xue, Jinzhuang (2013), The early Devonian Posongchong flora of Yunnan: a contribution to an understanding of the evolution and early diversification of vascular plants, Beijing: Science Press, p. 329, ISBN 978-7-03-036616-0, retrieved 2019-10-25
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