Echinocereus subinermis is a species of flowering plant in the cactus family Cactaceae native to north northwestern and central Mexico. The stem is a ball with 5 to 8 prominent ribs growing to a cylinder or cone 30 cm (12 in) tall and wide and producing yellow flowers 8 cm (3 in) long in early summer.In cultivation in temperate regions it requires the protection of glass with heat. It has gained the Royal Horticultural Society's Award of Garden Merit. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
The answer to this question is:
Plant