Q:Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Vachellia drepanolobium - Vachellia drepanolobium (syn. Acacia drepanolobium) commonly known as Whistling Thorn (family Fabaceae) is a swollen-thorn vachellia native to East Africa. The whistling thorn grows up to 6 meters tall. It produces a pair of straight thorns at each node some of which have large bulbous bases. These swollen thorns are naturally hollow and occupied by any one of several symbiotic ant species.
A:
Plant