(pl. plateae) ( Thomson and Pflug, 1953) Areas of the inner wall layer separated by a triradiate channel extending between the endogerminals of a Normapolles pollen grain. Example: Pompeckjoidaepollenites. Platea luminosa (pl. plateae luminosae) ( Iversen and Troels-Smith, 1950) Synonym of groove. Comment: The term was introduced for use in striate pollen and to contrast with lumina, which was restricted to reticulate pollen. Pleurotreme (adj.) ( Erdtman and Straka, 1961) Synonym of planaperturate.

Wide street or avenue.

street (Ex officina Gulielmi Young, bibliopolae, no. 52 Secunda- Platea, angulo Castaneae- Plateae, M.DCC.XCIII = From the shop of William Young, bookseller, 52 Second Street, on the corner of Castanea Street, 1793)