Denmozarhodacantha Britton & Rose-빨간 가시를 갖는 종이라 했으니
이것은 빨간 색도 아니고
천환선인장도 아니고
Origin and Habitat: Balsas above the Canyon Maronan in the province of Chachapoyas, department of Amazonas in Peru.
Matucana weberbaueri var. flammea is one of the geographical form of the morphologically variable Matucana weberbaueri, differing for its reddish orange flowers instead of yellow.
Flowers: Reddish orange, slim-tubed, straight to slightly oblique or zigomorphyc 5,5-6 cm long and 3 cm in diameter. Ovary and pericarpel pale greenish-yellow conical with yellowish scales. Tube 3-4 cm long and 6-10 mm in diameter orange or orange salmon at the base, with reddish-yellow scales with fine reddish hairs in the axils. Perianth light-orange to orange-red. Tepals spatulate, purple, 3 cm long and 0,5 to 0,6 cm wide. Filaments white, about 1 cm long, anthers and pollen yellow. Style dark pink with a orange base, with 5-6 pale green stygma lobes, about 2 mm long.