Discover and read the best of Twitter Threads about #geraniaceae

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#1jour1coupe - J16.
Je n'ai pas encore montré d'organes reproducteurs, c'est le moment ! Au programme du jour : coupe transversale dans un ovaire de géranium (Geranium pratense #Geraniaceae). Image
C'est un ovaire dit "syncarpe" car il est divisé en plusieurs loges (5 ici), dans lesquelles on trouve les ovules (qui donneront les graines).
Cette structure résulte en fait de la fusion de 5 carpelles. Image
Joli poils (trichomes) non ? Image
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