The genusCycas (Cycadaceae) in Vietnam
The genusCycas is revised for Vietnam. Twenty-four species are enumerated, nine of them described as new (C.aculeata, C. brachycantha, C. collina, C. condaoensis, C. pachypoda,C. dolichophylla, C. fugax, C. hoabinhensis, andC. tropophylla). Descriptions of two Chinese species known to occur close to...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Springer US
2019
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| Subjects: | |
| Online Access: | http://repository.vnu.edu.vn/handle/VNU_123/64217 https://doi.org/10.1663/0006-8101(2004)070[0134:TGCCIV]2.0.CO;2 |
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| Institution: | Vietnam National University, Hanoi |
| Language: | English |
| Summary: | The genusCycas is revised for Vietnam. Twenty-four species are enumerated, nine of them described as new (C.aculeata, C. brachycantha, C. collina, C. condaoensis, C. pachypoda,C. dolichophylla, C. fugax, C. hoabinhensis, andC. tropophylla). Descriptions of two Chinese species known to occur close to the China-Vietnam border are also provided. A new combination is made forC. bifida (formerlyC. rumphii vanbifida). The species are placed within an infrageneric classification previously outlined. Distribution of all taxa is mapped, and a key to species is provided. Illustrations are provided for new and poorly known taxa where adequate material has been available. Previous reports ofC. circinalis andC. rumphii from Vietnam are discussed. Lectotypes are designated forC. balansae, C. chevalieri, andC. elongata, and a neotype is designated forC. pectinata. |
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