Sporange. Source: New Oxford Dictionary.
Definition: a variation of the word sporangium, a plant cell or structure in which spores are produced. Ferns, fungi, mosses, and algae release spores from sporangia.
On a six day hike for Boy Scouts, we were keeping ourselves occupied by trying to rhyme with orange. We even asked everybody we passed on the trail, and it was 75 miles, and nobody knew one. :(