eustele

n.

真中柱（存在于大多数裸子植物和被子植物的茎内）；

Morpho-anatomical and ecological studies of the Eusporangiate ferns in some forest areas of Bukidnon [Philippines]
The Terminology and Classification of Steles: Historical Perspective and the Outlines of a System
STUDIES ON COTYLEDON NODE IN RANUNCULACEAE AND THE EVOLUTION OF THE STELE OF ANGIOSPERM
Recherches anatomiques sur la racine et la tige des Chenopodiacees
Stelar morphology and the primary vascular system of seed plants
A Comparative Study of the Primary Vascular System of Conifers. III. Stelar Evolution in Gymnosperms
Primary vasculature and hymnosperm systematics
Diversity of Mississippian Arborescent Lignophytes: A New Species of Eristophyton from the Middle Tournaisian of France.
American Journal of Botany
Ontogeny of progymnosperms. II. Shoots of Upper Devonian Archaeopteridales