Tree Pricklypear

  “`html   Holotype; Holotype; Isotype; Herbarium; Painting (Annals of the Missouri Botanical Garden 21: 165, 1910, Plate 19) Griffiths, Annual Report of the Missouri Botanical Garden 21: 165, 1910 Original citation What is Opuntia alta? Opuntia alta is a large, arborescent prickly pear that forms a definite trunk with an elevated canopy of cladodes. […]