The vanilla species grown for its flavoring is finicky. Genes from its wild relatives could help make it hardier — but not if those cousins go extinct.

The study of plant life by Stopes, Marie Carmichael, 1880-1958 Publication date 1910 Topics Botany Publisher London : Blackie and Son Collection cdl; americana Contributor University of California ...

Scientists at the University of Helsinki discovered how plants heal their protective outer layer, the periderm. The diffusion ...