protostelic en · ADJ
Etymology
Etymology tree English protostele Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English protostelic From protostele + -ic.
Meanings
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(not-comparable) Of or possessing a protostele.
Indeed, many of the coenopterids show little distinction between stem and leaf, and protostelic axes are rather common.
1962, Theodore Delevoryas, Morphology and Evolution of Fossil Plants, page 79: