protophloem

[ proh-tuh-floh-em ]
/ ˌproʊ təˈfloʊ ɛm /

noun Botany.

the part of the primary phloem that develops first, consisting of narrow, thin-walled cells.

Origin of protophloem

First recorded in 1880–85; proto- + phloem

Words nearby protophloem

protonotary, protopathic, protopathic sensibility, protopectin, protophilic, protophloem, protoplanet, protoplanetary disk, protoplasm, protoplasmic astrocyte, protoplast

Scientific definitions for protophloem

protophloem
[ prō′tə-flō′ĕm′ ]

The first formed phloem that differentiates from the procambium.