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. Euphorbia arahaka -  Euphorbia arahaka is a species of plant in the Euphorbiaceae family. It is endemic to Madagascar. Its natural habitats are subtropical or tropical dry forests subtropical or tropical dry shrubland and sandy shores. It is threatened by habitat loss.
A:
Plant