Please answer the following question: Trichosalpinx - Trichosalpinx commonly known as the bonnet orchid is a genus of about 100 species of neotropical orchid. They are characterized by the presence of a ringed ribbed sheath around the stem. The generic name means trumpet with hair and refers to this ring. 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