Oleandra
| Oleandra | ||||||||||||
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Oleandra wallichii , illustration |
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| Oleandraceae | ||||||||||||
| ( J.Sm. ) Ching ex Pic.Serm. | ||||||||||||
| Scientific name of the genus | ||||||||||||
| Oleandra | ||||||||||||
| Cav. |
Oleandra is the only genus of the Oleandraceae plant family within the real ferns (Polypodiopsida). The 15 to 20 species thrive in tropical and subtropical regions almost worldwide.
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description
Oleandra species are perennial herbaceous plants . They thrive terrestrially , epilithically or hemi- epiphytically . The Balttwedel are simple.
The Sori have rounded kidney-shaped indusia . The spores are kidney-shaped. The basic chromosome number is x = 41.
Systematics and distribution
The genus Oleandra was established in 1799 by Antonio José Cavanilles . A synonym for Oleandra Cav. is Neuronia D.Don. The family Oleandraceae ( J.Sm. ) Ching ex Pic.Serm. was set up by Ren Chang Ching (1898–1986) in Rodolfo Emilio Giuseppe Pichi-Sermolli .
The genera Arthropteris and Psammiosorus, which often belong to the Oleandraceae family, are described by Smith et al. 2006 added to the family of Tectariaceae . The Oleandraceae family is monogeneric:
The genus Oleandra is pantropical. The species occur mainly from tropical Asia to Pacific islands. Few species occur in Africa and South America. There are five types in China.
- There are 15 to 20 species in the genus Oleandra , including:
- Oleandra articulata (Sw.) C. Presl : It occurs from southern Mexico through Central America to Colombia and Venezuela .
- Oleandra cumingii J.Sm. (Syn .: Oleandra cantonensis Ching , Oleandra chinensis Hance , Oleandra guangxiensis S.L. Mo & YCZhong , Oleandra intermedia Ching , Oleandra yunnanensis Ching ): It spreads in South and Southeast Asia and occurs there in Laos , Thailand , Malaysia , Indonesia , in the Philippines and in the Chinese provinces of Guangdong , Hainan and Yunnan .
- Oleandra musifolia (flower) C. Presl ( Syn .: Oleandra hainanensis Ching , Oleandra whangii Ching ): It occurs in Sri Lanka , Vietnam , Indonesia, Malaysia, Thailand and in the Chinese provinces of Guangxi, Hainan and Yunnan.
- Oleandra neriiformis Cav. (Syn .: Oleandra pistillaris (Swartz) C.Christensen ): It occurs in India , Bhutan , Nepal , Myanmar , Tibet , Thailand, Cambodia , Malaysia, Indonesia, the Philippines, Papua New Guinea and the Pacific Islands.
- Oleandra nodosa (Willd.) C. Presl : It occurs in the Neotropics and in Guinea only on the island of Bioko (former name Fernando Po).
- Oleandra undulata (Willd.) Ching : It occurs in India, Myanmar, Laos, Thailand, Vietnam and Yunnan.
- Oleandra wallichii (Hook.) C. Presl : It occurs in northern India, Bhutan, Nepal, northern Myanmar, Thailand, Vietnam, Tibet, Taiwan and in the Chinese provinces of Guangxi, Sichuan and Yunnan.
swell
literature
- Alan R. Smith, Kathleen M. Pryer, Eric Schuettpelz, Petra Korall, Harald Schneider, Paul G. Wolf: A classification for extant ferns. In: Taxon. Volume 55, No. 3, 2006, ISSN 0040-0262 , pp. 705-731, abstract, PDF file .
- Zhang Xianchun, Peter H. Hovenkamp: Oleandraceae , p. 747 - online with the same text as the printed work , In: Wu Zheng-yi, Peter H. Raven, Deyuan Hong (ed.): Flora of China. Volume 2-3: Lycopodiaceae through Polypodiaceae. Science Press and Missouri Botanical Garden Press, Beijing and St. Louis, 2013, ISBN 978-1-935641-11-7 .
Individual evidence
- ↑ a b c d e f g h i j Zhang Xianchun, Peter H. Hovenkamp: Oleandraceae , p. 747 - online with the same text as the printed work , In: Wu Zheng-yi, Peter H. Raven, Deyuan Hong (eds.): Flora of China. Volume 2-3: Lycopodiaceae through Polypodiaceae. Science Press and Missouri Botanical Garden Press, Beijing and St. Louis, 2013, ISBN 978-1-935641-11-7 .