vallecular en · ADJ
Etymology
From vallecula + -ar, derived from diminutive of Latin valles (“valley”).
Meanings
- (not-comparable) Grooved; pertaining to a vallecula.
-
(not-comparable) Of or relating to a channel between the nodes of the stem of some species of Equisetum.
A transverse section of the internode shows a pattern of sub-epidermal strengthening tissue and chlorenchyma, vallecular canals in the cortex opposite the furrows, and carinal canals opposite the ridges.
2011 July 12, “An extensin-rich matrix lines the carinal canals in Equisetum ramosissimum, which may function as water-conducting channels”, in Annals of Botany, →DOI: