- primary thickening meristem
- Diffuse primary meristem which decreases in cross-sectional extent (i.e. becomes a thinner-walled cylinder) in a basipetal direction (DeMason, 1983).
Expanded glossary of Cycad terms . 2014.
primary thickening meristem
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angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) … Universalium
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Cycadales — Gymnosperm plant order containing all extant and extinct cycads; defined by the absence of axillary buds and the presence of cycasin, girdling leaf traces, simple megasporophylls, and primary thickening meristem which gives rise to the… … Expanded glossary of Cycad terms
REFERENCES — ■ Bonta, M., O. Flores Pinot, D. Graham, J. Haynes & G. Sandoval. 2006. Ethnobotany and conservation of tiusinte (Dioon mejiae Standl. & L.O. Williams, Zamiaceae) in northeastern Honduras. Journal of Ethnobiology 26:228 257. ■ Cactus Art.… … Expanded glossary of Cycad terms
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