Fenestraria
 | This article needs additional citations for verification. (September 2014) |
| Fenestraria | |
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| Fenestraria rhopalophylla | |
| Scientific classification | |
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| Genus: | Fenestraria
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| Species: | F. rhopalophylla
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| Binomial name | |
| Fenestraria rhopalophylla | |
| Synonyms | |
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Fenestraria aurantiaca | |
Fenestraria (known as babies' toes[1] or window plant[citation needed]) is a (possibly monotypic) genus of succulent plants in the family Aizoaceae, native to the Namaqualand in Namibia.
Description
The currently recognised species in this genus is Fenestraria rhopalophylla. Each leaf has a epidermal window, a transparent window-like area, at its rounded tip, it is for these window-like structures that the genus is named (Latin: fenestra).
F. rhopalophylla appears very similar to Frithia pulchra, though the leaves are a slightly different shape and F. rhopalophylla has yellow flowers, compared to the pink flowers of F. pulchra.
Distribution and habitat
In the wild, the plant commonly grows under sand, except for the transparent tips, which allow light into the leaves for photosynthesis. The plant produce optical fibers made from crystalline Oxalic acid which transmit light to subterranean photosynthetic sites.
Fenestraria rhopalophylla is native to Namaqualand in southern Africa and to Namibia. The plants generally grow in sandy or calciferous soils under low < 100 mm rainfall, that occurs in the winter.
Subspecies
- F. rhopalophylla subsp. rhopalophylla with white flowers in autumn
- F. rhopalophylla subsp. aurantiaca (=*F. aurantiaca) with yellow flowers
The status of Fenestraria aurantiaca is under review to determine whether its proper status is that of a full species or a subspecies of Fenestraria rhopalophylla.[2][3]
References
- ^ USDA GRIN Taxonomy, retrieved 19 August 2016
- ^ The Plant List (2010). Version 1. Published on the Internet; http://www.theplantlist.org/ (accessed June 2013)
- ^ Fenestraria - page on Succulent Guide
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