Tacinga paiaia (Cactaceae), a New Species From the Semi-arid Region of Brazil

被引：0
|
作者：
Freitas, Juliana Gomes [1 ]
Peraza-Flores, Lizandro N. [2 ]
de Almeida, Erton Mendonca [3 ]
Batista, Fabiane Rabelo da Costa [1 ]
机构：
[1] Inst Nacl Semiarido, Ave Francisco Lopes de Almeida S-N, BR-58434700 Campina Grande, Paraiba, Brazil
[2] Calle 83 547, Entre 71 & 81 iudad Caucel, Merida 97314, Yucatan, Mexico
[3] Univ Fed Pernambuco, Lab Citogen & Evoluc Vegetal, Dept Bot, Centro Biociencias, BR-50670901 Recife, PE, Brazil
来源：
SYSTEMATIC BOTANY | 2023年 / 48卷 / 04期
关键词：
Cacti; Eastern Brazil; Opuntioideae; succulents; ADDITIONS; CACTI;
D O I：
10.1600/036364423X17000842213542
中图分类号：
Q94 [植物学];
学科分类号：
071001 ;
摘要：
A new species of Tacinga from semi-arid Eastern Brazil, Tacinga paiaia, is here described on the basis of material collected several years ago and cultivated at the Cactarium Guimaraes Duque of the Instituto Nacional do Semiarido. A detailed description, original illustrations, distribution map, a taxonomic discussion for the new taxon, and a key to all known species of Tacinga are given. We also assessed the IUCN risk of extinction category for the new species. It is here preliminarily classified as Vulnerable to extinction due to its small population size and restricted distribution. Finally, we also report the presence of extrafloral nectaries in the pericarpel areoles of the new taxon.
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收藏
页码：579 / 586
页数：8
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