Retipilate

There are yet no known examples for retipilate, "a reticulum formed by rows of pila instead of muri". In contrast to earlier observations, investigations based on LM and SEM have revealed that the examples Callitriche (Plantaginaceae) in PUNT et al. (2007: "describing a reticulum formed by rows of pila instead of muri") and Cuscuta lupuli-formis (Cuscutaceae) in ERDTMAN (1952, p. 128: „with a reticuloid pattern with pila instead of muri") do not fit their definition;in fact there are muri with prominent sculpture elements (a reticulum cristatum) but no isolated pila. Nota bene: while ERDTMAN (1952) provides a correct drawing, the diagram in PUNT et al. (2007) is erroneous.

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