Definition of Walchian. Meaning of Walchian. Synonyms of Walchian

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Definition of Walchian

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Meaning of Walchian from wikipedia

- Voltzialean conifers are divided into two informal groups, the primitive "walchian conifers" like Walchia, where the ovuliferous cone is composed of radial...
- The most primitive conifers belong to the paraphyletic ****emblage of "walchian conifers", which were small trees, and probably originated in dry upland...
- conifers appeared in the Late Carboniferous, represented by primitive walchian conifers, but were replaced with more derived voltzialeans during the Permian...
- Hunt, Adrian P. (2005). "The trackway record of a tetrapod community in a Walchian conifer forest from the permo-carboniferous of Nova Scotia". Bulletin of...
- river channel deposits. Some abandoned channel sites are dominated by walchian conifers, Taeniopteris, and "comioid" peltasperms (Auritifolia). Others...