Reports

Disjunct Foliar Veins in Hawaiian Euphorbias

See allHide authors and affiliations

Science  26 Mar 1971:
Vol. 171, Issue 3977, pp. 1247-1248
DOI: 10.1126/science.171.3977.1247

Abstract

Isolated segments of veins occur in the leaf mesophyll of several Hawaiian species of Euphorbia. These anomalous structures appear to consist entirely of tracheids and are a normal feature of the anatomy of species native to mesic and wet areas, but not to xeric, dry habitats.