Use "sporangium" in a sentence

1. These sporophylls, which are 2,5–4,5 cm long and 1–2 cm wide, consist of a distal triangular short limb and a proximal long winged petiole which bears adaxially a single, large and tongue-shaped sporangium.

Ces sporophylles, qui mesurent 2,5–4,5 cm de long et 1–2 cm de large, sont formées d'un limbe triangulaire et d'un large pétiole ailé sur lequel est inséré un seul grand sporange linguiforme.