Please answer the following question: Chasmanthe floribunda -  Chasmanthe floribunda is a species of flowering plant in the crocus family which is known by the common name African flag. This plant is native to southern Africa particularly South Africa but it has been introduced to other areas of similar climate such as California where it is naturalized. This is a perennial sprouting from a corm and producing clumps of long narrow leaves. It erects one thin tall stem which may approach a meter in height. Given a choice of categories company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, the text refers to which one?
A:
Plant