Cephalanthera damasonium
| White Helleborine | |
|---|---|
 | |
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Monocots |
| Order: | Asparagales |
| Family: | Orchidaceae |
| Subfamily: | Epidendroideae |
| Tribe: | Neottieae |
| Subtribe: | Limodorinae |
| Genus: | Cephalanthera |
| Species: | C. damasonium |
| Binomial name | |
| Cephalanthera damasonium (Mill.) Druce (1906) | |
| Synonyms[1] | |
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The White Helleborine (Cephalanthera damasonium) is a species of orchid. It is widespread across much of Europe and the Middle East from England and Sweden to Russia and Iran; also Bhutan, India, Myanmar and Yunnan.[1][2] It is the type species of the genus Cephalanthera.
Pollination
The flowers of this species hardly open, because they are autogamous (self-pollinating). Before anthesis, the opening of the flower, the anther opens and the pollinia directly sink onto the stigmatic surface. Then pollen tubes start growing. This pollination mode enables the White helleborine to grow in deep shade, where the pollinators are almost absent.
References
Literature
- Claessens, J. & J. Kleynen: The flower of the European Orchid – Form and function, 2011. ISBN 978-90-9025556-9.
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Media related to White Helleborine (Cephalanthera damasonium) at Wikimedia Commons -
Data related to White Helleborine (Cephalanthera damasonium) at Wikispecies
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