Definitions for casuarinaceae
This page provides all possible meanings and translations of the word casuarinaceae
Casuarinaceae, family Casuarinaceae(noun)
one genus: genus Casuarina
Casuarinaceae are a family of dicotyledonous flowering plants placed in the order Fagales, consisting of three or four genera and about 70 species of trees and shrubs native to the Old World tropics, Australia, and the Pacific Islands. At one time, all of the species were placed in the genus Casuarina, but these were split in 1980, 1982 & 1988 into the genera Allocasuarina, Casuarina, Ceuthostoma, and Gymnostoma. Somewhat controversial at the time, the monophyly of these genera was later supported in a 2003 molecular study of the family. In the Wettstein system, this family was the only one placed in the order Verticillatae. Likewise, in the Engler, Cronquist and Kubitzki systems, the Casuarinaceae were the only family placed in the order Casuarinales. Members of this family are characterized by drooping equisetoid twigs, are evergreen, and monoecious or dioecious. The roots have nitrogen-fixing nodules that contain the soil actinomycete Frankia. The most widely used common name for Casuarinaceae species is sheoak or she-oak. Other common names include ironwood, bull-oak or buloke, and beefwood.
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