Radula is a genus of liverwort, and is the only genus in family Radulaceae.
| Radula Temporal range:
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|---|---|
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| Radula complanata | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Division: | Marchantiophyta |
| Class: | Jungermanniopsida |
| Order: | Porellales |
| Suborder: | Radulineae R.M.Schust. |
| Family: | Radulaceae Müll.Frib. |
| Genus: | Radula Dumort. nom. cons. |
It is a leafy liverwort. The appearance of the plants are as a scaly, green surface on the trunk of a tree, log or rock in a sheltered, moist out-door environment. The leaves are rounded, overlapping and consist of two unequal lobes. The smaller lobe is folded beneath the larger one.[1] The oldest fossil species is Radula cretacea from the Cenomanian aged Burmese amber of Myanmar, belonging to the subgenus of Odontoradula. Molecular evidence suggests that the genus arose during the Triassic, around 227.8 Ma, and the crown group began to diversify during the Early Jurassic, around 176.3 Ma.[2]
Species
editWorld Flora Online lists up to 262 species.[3] See List of Radula species, for full list of species.
Some selected species are listed here;
- Radula boninensis Furuki & K.Yamada
- Radula carringtonii J.B.Jack[4]
- Radula cavifolia Hampe
- Radula complanata (L.) Dumort.[1]
- Radula deflexilobula Promma, L.N.Zhang et R.L.Zhu[5]
- Radula demissa M.A.M.Renner, 2013
- Radula javanica Gottsche
- Radula jonesii Bouman, Dirkse & Yamada
- Radula kojana Stephani
- Radula laxiramea Stephani
- Radula marginata Gottsche, Lindenb. & Nees[6]
- Radula obtusiloba Stephani
- Radula perrottetii Gottsche ex Stephani
- Radula visianica C. Massal.
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References
edit- ^ a b Atherton, Ian; Bosanquet, Sam; Lawley, Mark (2010). Mosses and liverworts of Britain and Ireland a field guide (PDF) (First ed.). British Bryological Society. ISBN 9780956131010. Retrieved 26 December 2019.
- ^ Bechteler, Julia; Schmidt, Alexander R.; Renner, Matthew A. M.; Wang, Bo; Pérez-Escobar, Oscar Alejandro; Schäfer-Verwimp, Alfons; Feldberg, Kathrin; Heinrichs, Jochen (2017-07-27). "A Burmese amber fossil of Radula (Porellales, Jungermanniopsida) provides insights into the Cretaceous evolution of epiphytic lineages of leafy liverworts". Fossil Record. 20 (2): 201–213. doi:10.5194/fr-20-201-2017. ISSN 2193-0066.
- ^ "Radula Dumort". www.worldfloraonline.org. Retrieved 4 July 2023.
- ^ "Radula carringtonii J.B. Jack — The Plant List". www.theplantlist.org. Retrieved 19 February 2021.
- ^ Promma, Chatchaba; Zhang, Li-Na; Shu, Lei; Chantanaorrapint, Sahut; Renner, Matt A. M.; Zhu, Rui-Liang (2018). "Radula deflexilobula (Radulaceae, Marchantiophyta) from Thailand, a New Species based on Morphological and Molecular Data". Cryptogamie, Bryologie. 39 (4): 481–497. doi:10.7872/cryb/v39.iss4.2018.481. S2CID 91380251.
- ^ Hussain, Tajammul; Plunkett, Blue; Ejaz, Mahwish; Espley, Richard V.; Kayser, Oliver (2018). "Identification of Putative Precursor Genes for the Biosynthesis of Cannabinoid-Like Compound in Radula marginata". Frontiers in Plant Science. 9: 537. doi:10.3389/fpls.2018.00537. PMC 5954354. PMID 29868043.
External links
edit- Walkowiak, Radoslaw (2021). "Short Note of Radula complanata & Porella platyphylla". ResearchGate. CTC Digital Plant Collection.
Data related to Radula at Wikispecies
Media related to Radula (plant) at Wikimedia Commons
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