Which plant is known as a flowering plant and has columnar stems, Goodyera or Bamboo?
Goodyera: Goodyera is a wide-ranging genus of orchids, one of approximately 900 described genera in the large and diverse flowering plant family Orchidaceae. Bamboo: The bamboos are evergreen perennial flowering plants in the subfamily Bambusoideae of the grass family Poaceae. Bamboo:  The absence of secondary growth wood causes the stems of monocots, including the palms and large bamboos, to be columnar rather than tapering.
i don't know