|Scientific Name:||Jatropha unicostata Balf. f.|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Reviewer(s):||Abuzinada, A.H. & AL-Eisawi, D.M.H. (Arabian Plants Red List Authority)|
Common in several vegetation types and under no present or perceived threat.
|Previously published Red List assessments:|
|Range Description:||Endemic to Socotra.|
|Range Map:||Click here to open the map viewer and explore range.|
|Current Population Trend:||Unknown|
|Habitat and Ecology:||Widespread and dominant in succulent shrubland over most of Soqotra; common in semi-deciduous woodland on the limestone; rare on the granite of the Haggeher. Altitude of sea-level to 700 m; up to 1,050 m on Diksam Plateau.
Probably the commonest and most widespread shrub of lower and middle altitudes on Soqotra. It is abundant in rocky areas on the plains and over large ares of the limestone escarpments and plateaus. Like the other common shrub, Croton socotranus, it is surprisingly absent from the outer islands. However, unlike Croton socotranus, over its range it shows little variation. The most distinct variation is a prostrate, gnarled form found on windswept areas found on exposed parts of the south west limestone plateau. On the Noged Plain is considered to be on the increase. Comes into leaf after rain: on the southern side of the island in response to the summer rains (June to September) of the Southwest monsoon; on the northern side of the island in response to the winter rains (October to January) of the Northeast monsoon.
|Citation:||Miller, A. 2004. Jatropha unicostata. The IUCN Red List of Threatened Species 2004: e.T30424A9548151.Downloaded on 22 November 2017.|
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