Two new species of Tibouchina (Melastomataceae) from the Brazilian Cerrado

• DOI: 10.11646/phytotaxa.599.1.3
• Publication Date: 2023-05-31T03:53:32Z
• Authors: FABRÍCIO SCHMITZ ...; DANIELLE DE OLIVE...; JULIANA KLOSTERMA...; RENATO GOLDENBERG
• Keywords: Melastomataceae; Eudicots; Trichome

We describe here two new species of Tibouchina from the Brazilian Cerrado. falcifolia is endemic to state Goiás and it can be readily recognized by lanceolate linear, conduplicate, pendulous leaves, very conspicuous hypanthium scales. It morphologically related aegopogon var. angustifolia, especially narrow but differs older branches decorticant (vs. non-decorticating), slightly discolorous leaves strongly leaves), with adaxial surface covered trichomes scales). longisquamata a Tocantins oval, flat, patent long shares llanorum petiole, T. its subcylindrical 4-6 angulose) According our assessments, based on IUCN criteria, must considered as endangered (EN) because occurrence restricted, populations are small; indicated in Deficient Data (DD), only known collections. present complete descriptions species, taxonomic comments, illustrations made dehydrated material, photos live specimens (for falcifolia), plates microscopic details, distribution map, an updated list genus Cerrado, occurrences state.