Flora of the canga of the Serra dos Carajás, Pará, Brazil: Myrtaceae

Abstract This study presents a floristic treatment for the species of Myrtaceae occurring in the canga of the Serra dos Carajás, Pará, Brazil. Based on collections deposited in herbaria and field samples, 26 species were confirmed, distributed in five genera: Calyptranthes (1 sp.), Campomanesia (1 sp.), Eugenia (8 spp.), Myrcia (15 sp.) and Myrciaria (1 sp.). One new record for the state of Pará was found. Identification keys for genera and species, morphological descriptions, and taxonomic comments are provided.

摘要：本研究针对巴西帕拉州卡拉加斯山脉（Serra dos Carajás）坎加（canga）地貌分布的桃金娘科（Myrtaceae）植物类群开展植物区系分类处理。基于馆藏于标本馆的标本及野外采集样本，本研究确认共包含26个物种，隶属于5个属：帽萼木属（Calyptranthes）1种、南美稔属（Campomanesia）1种、番樱桃属（Eugenia）8种、美丁木属（Myrcia）15种、拟爱神木属（Myrciaria）1种。本研究发现了帕拉州的1个新分布记录，并提供了属及物种的分类检索表、形态描述与分类学评述。