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protosteleenUK
pro·to·stele P0618200 (prō′tə-stēl′, prō′tə-stē′lē)n. Botany A stele that forms a solid core of xylem encased by phloem.
pro′to·ste′lic (-stē′lĭk) adj.protostele (ˈprəʊtəˌstiːl; -ˌstiːlɪ) n (Botany) a simple type of stele with a central core of xylem surrounded by a cylinder of phloem: occurs in most roots and the stems of ferns, etc ˌprotoˈstelic adjpro•to•stele (ˈproʊ təˌstil, -ˌsti li)
n. the solid stele of most plant roots, having a central core of xylem enclosed by phloem. [1900–05] pro`to•ste′lic, adj.
ProtosteleenUK
protostele[′prōd·ə‚stēl] (astronomy) A stele consisting of a solid rod of xylem surrounded by phloem Protostele a primitive type of central cylinder, or stele, in plants. The protostele consists of xylem and phloem but has no pith or medullary rays. |