Checklist of the family Orchidaceae in Equatorial Guinea
DOI:
https://doi.org/10.3989/collectbot.2018.v37.003Keywords:
Annobon, Bioko, Epidendroideae, habit, Orchidoideae, Rio Muni, VanilloideaeAbstract
The current state of knowledge on Orchidaceae in Equatorial Guinea is provided, based on herbarium collections and bibliographic revision. Orchidaceae are represented in Equatorial Guinea (Annobon, Bioko and Rio Muni) by 225 taxa, and 12 more requiring confirmation, belonging to 43 genera and 10 tribes of the subfamilies Vanilloideae, Orchidoideae and Epidendroideae. Eighty eight taxa have been added for Rio Muni to the previous checklists. The tribe Vandeae is the best represented with 118 taxa. Analysing the habit, 53 taxa are terrestrial, 6 scandent and 166 are epiphytes. The island of Bioko and the western provinces of Rio Muni show the major diversity in orchids. Thirty one species have been described from materials collected in Equatorial Guinea, six of which are considered endemics.
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