Fittonia
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The Fittonia ( Fittonia ), also called silver net leaves , are a genus of plants within the Acanthus family (Acanthaceae). The two species are native to tropical South America and some varieties are used as ornamental plants .
description
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The Fittonia are perennial herbaceous plants that creep on the ground . The two types of Fittonia mainly differ in their height: 15 cm and 60 cm. The simple leaves are dark green with striking white to purple-purple stripes along the veins on the upper side. Because of the marbling, the plant was given the name mosaic plant . The plant mostly only blooms in its homeland. The flowers stand together in spike-like inflorescences and have two-lipped corollas.
Pests that can attack the plant are spider mites and white flies . The presence of white flies is shown by an unusual mottling of the leaves. In the advanced stage, the affected leaves die off. In addition, the plant collapses. A spider mite infestation manifests itself by light speckles on the top. Later on, white webs appear that stretch across the entire plant.
Systematics and distribution
The first description of the genus Fittonia was in 1865 by the Belgian botanist Henri Eugène Lucien Gaëtan Coemans in Van Houtte and Louis Benoit: Journal Général d'Horticulture , Vol 15, pp 185-186. The generic name Fittonia honors the Irish siblings Elizabeth (fl. 1810 - 1866) and Sarah Mary Fitton (approx. 1796 - 1874); the two sisters were gardeners and writers. A synonym for Fittonia Coem. nom. cons. is Adelaster Lindl. ex Veitch nom. rej.
The Fittonia species are common in tropical South America .
The species delimitation within the genus Fittonia is partly disputed; In 2005 Olmstead accepted two species of Fittonia in Peru:
- Fittonia albivenis (Lindl. Ex hort. Veitch) Brummitt ( Syn .: Adelaster albivenis Lindl. Ex hort. Veitch , Fittonia argyroneura Coem. , Fittonia verschaffeltii (Lem.) Van Houtte , Fittonia verschaffeltii var. Argyroneura (Coem.) Regel , Gymnostachyum verschaffeltii Lem. ): It occurs in Colombia, Ecuador, Venezuela, Bolivia, Peru and Brazil.
- Fittonia gigantea Linden : It occurs only in Peru.
literature
- RK Brummitt: Proposal (447) to Conserve the Name 8069 Fittonia Coemans over Adelaster Lindley ex Veitch (Acanthaceae) . In: Taxon . tape 27 , no. 2/3 , May 1978, p. 307–309 , doi : 10.2307 / 1220274 ( first page at JSTOR ).
- Karlheinz Rücker: The plants in the house . Eugen Ulmer KG, 2005, ISBN 3-8001-4905-2 , p. 482 .
Individual evidence
- ↑ Silver net sheet. Retrieved March 23, 2018 .
- ^ University of Tuebingen. ( Memento from January 6, 2013 in the web archive archive.today )
- ↑ Lotte Burkhardt: Directory of eponymous plant names . Extended Edition. Botanic Garden and Botanical Museum Berlin, Free University Berlin Berlin 2018. [1]
- ^ Fittonia in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland.
- ^ Richard Olmstead: Lamiales - Synoptical classification vers. 2.0 (in prog.) , 2005: A Synoptical Classification of the Lamiales Version 2.0 (in progress) . (PDF; 370 kB)
