Amanita annulata, a new species of Amanita section Vaginatae with an annulus from southwestern China

WEN-HAO ZHANG; TING HUANG; HONG-YAN HUANG; LI-PING TANG

doi:10.11646/phytotaxa.514.3.6

Issue: Vol. 514 No. 3: 17 August 2021

Type: Article

Published: 2021-08-17

DOI: 10.11646/phytotaxa.514.3.6

Page range: 261-274

Abstract views: 23

PDF downloaded: 1

Amanita annulata, a new species of Amanita section Vaginatae with an annulus from southwestern China

WEN-HAO ZHANG⁺⁻
TING HUANG⁺⁻
HONG-YAN HUANG⁺⁻
LI-PING TANG⁺⁻

School of Pharmaceutical Sciences and Yunnan Key Laboratory of Pharmacology for Natural Products, Kunming Medical University, Kunming, 650500, China

Amanitaceae new taxa species diversity subtropics taxonomy Fungi

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Abstract

A species with an annulus is rare within Amanita section Vaginatae. In this study, A. annulata is proposed as a new species based on morphological and molecular evidence. It is the second annulate species of the section in China, the first being A. cingulata. The new species is found in forests dominated by Fagaceae in Yunnan Province of China. It is characterized by its large basidioma, white pileus covered with large, white, dingy yellow-tipped pyramidal warts that break off easily, a stipe with a mealy, evanescent, white annulus, the base of the stipe covered with concolorous pyramidal warts, and broadly ellipsoid to ellipsoid basidiospores measuring 11−15 × 9−12 μm. Moreover, it is compared with similar species, especially the annulate taxa of Amanita section Vaginatae.

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