Hymenasplenium
| Hymenasplenium | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Pteridophyta |
| Class: | Polypodiopsida |
| Order: | Polypodiales |
| (unranked): | Eupolypods II |
| Family: | Aspleniaceae |
| Genus: | Hymenasplenium Hayata |
| Type species | |
| Hymenasplenium unilaterale (Lam.) Hayata. 1927 | |
| Synonyms | |
| |
Hymenasplenium is one of three genera of ferns in the Aspleniaceae (spleenwort family), in the eupolypods II clade of the order Polypodiales.[1][2] The others are Hemidictyum and Asplenium. Hymenasplenium was segregated because it is a natural grouping with differing rhizome morphology – dorsiventral v. radial for the rest of Asplenium, differing chromosome count – x=39 v. x=36 for the rest of Asplenium, and a clear monophyletic grouping based on genetic analysis. It was confirmed as a sister group to Asplenium in a 2015 molecular study of the genera.[3]
Selected species
- Hymenasplenium basiscopicum
- Hymenasplenium cardiophyllum
- Hymenasplenium cheilosorum
- Hymenasplenium delitescens
- Hymenasplenium hoffmannii
- Hymenasplenium ikenoi
- Hymenasplenium laetum
- Hymenasplenium obtusifolium
- Hymenasplenium ortegae
- Hymenasplenium purpurascens
- Hymenasplenium repandulum
- Hymenasplenium riparium
- Hymenasplenium triquetrum
- Hymenasplenium unilaterale
- Hymenasplenium volubile
References
- ↑ Alan R. Smith, Kathleen M. Pryer, Eric Schuettpelz, Petra Korall, Harald Schneider & Paul G. Wolf (2006). "A classification for extant ferns" (PDF). Taxon 55 (3): 705–731. doi:10.2307/25065646.
- ↑ Maarten J. M. Christenhusz, Xian-Chun Zhang & Harald Schneider (2011). "A linear sequence of extant families and genera of lycophytes and ferns" (PDF). Phytotaxa 19: 7–54.
- ↑ Ohlsen DJ, Perrie LR, Shepherd LD, Brownsey PJ, Bayly MJ (2015). "Phylogeny of the fern family Aspleniaceae in Australasia and the south-western Pacific". Australian Systematic Botany 27 (6): 355–71. doi:10.1071/SB14043#sthash.G4tUiO5M.dpuf.
This article is issued from Wikipedia - version of the Friday, November 13, 2015. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.