Dying gasp

日期:2019-03-06 10:01:02 作者:扶奉蝗 阅读:

By Joanna Marchant A RARE tree on the brink of extinction has hit upon an odd strategy to survive: it is the first plant known to produce offspring just from its pollen. But in a tragic twist, the same trick may eventually lead to its demise. The Saharan cypress (Cupressus dupreziana) makes its home in the parched Tassili N’Ajjer desert of Algeria. It is one of the most endangered trees in the world, with only 231 individuals left alive. Such a small population would normally be forced to inbreed,