vascular ray

noun Botany.

a radiate band of parenchyma in the secondary xylem extending into the secondary phloem of the stems of certain vascular plants, formed by the cambium and serving for the storage of food and the conduction of nutriments.

Origin of vascular ray

First recorded in 1665–75

Words nearby vascular ray

vascular layer, vascular leiomyoma, vascular nerve, vascular plant, vascular polyp, vascular ray, vascular ring, vascular spider, vascular system, vascular tissue, vascular zone

British Dictionary definitions for vascular ray

vascular ray

noun

another name for medullary ray