New Record of Pteris esquirolii in Taiwan, with Two Similar New Species, Pteris rugosifolia and Pteris subesquirolii
Abstract—
Three taxa from Taiwan in the Pteris cretica group (Pteridaceae) have extremely wide pinnae that are greater than two cm wide. Leaf and spore morphology, complemented with molecular phylogenetic results, indicate these three taxa are new for Taiwan. Compared with similar species in adjacent areas, they are described here as one new record, Pteris esquirolii, and two new species, P. rugosifolia and P. subesquirolii . Pteris rugosifolia has chartaceous and wrinkled laminae, and P. subesquirolii , similar to P. esquirolii, has coriaceous and flat laminae. Furthermore, there are differences in elevation among the three species. A table with morphological diagnostic features of these three species is included, as well as a dichotomous key for the species of the Pteris cretica group species occurring in Taiwan.
Three taxa from Taiwan in the Pteris cretica group (Pteridaceae) have extremely wide pinnae that are greater than two cm wide. Leaf and spore morphology, complemented with molecular phylogenetic results, indicate these three taxa are new for Taiwan. Compared with similar species in adjacent areas, they are described here as one new record, Pteris esquirolii, and two new species, P. rugosifolia and P. subesquirolii . Pteris rugosifolia has chartaceous and wrinkled laminae, and P. subesquirolii , similar to P. esquirolii, has coriaceous and flat laminae. Furthermore, there are differences in elevation among the three species. A table with morphological diagnostic features of these three species is included, as well as a dichotomous key for the species of the Pteris cretica group species occurring in Taiwan.
Keywords: Phylogeny; Taiwan; spores; taxonomy; venation
Document Type: Research Article
Publication date: 30 May 2019
- Systematic Botany is the scientific journal of the American Society of Plant Taxonomists and publishes four issues per year.
2011 Impact Factor: 1.517
2011 ISI Journal Citation Reports® Rankings: 87/190 - Plant Sciences
34/45 - Evolutionary Biology - Editorial Board
- Information for Authors
- Submit a Paper
- Subscribe to this Title
- Membership Information
- Ingenta Connect is not responsible for the content or availability of external websites
- Access Key
- Free content
- Partial Free content
- New content
- Open access content
- Partial Open access content
- Subscribed content
- Partial Subscribed content
- Free trial content