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来自印度喜马拉雅地区牛肝菌属(牛肝菌科)的两个新物种及一个新记录种,并附形态学细节和系统发育推断

Two new species and one new record of the genus (Boletaceae) from Indian Himalaya with morphological details and phylogenetic estimations.

作者信息

Chakraborty Dyutiparna, Vizzini Alfredo, Das Kanad

机构信息

Botanical Survey of India, Cryptogamic Unit, P.O. Botanic Garden, Howrah - 711103, India.

Department of Life Sciences and Systems Biology, University of Torino, Viale P.A. Mattioli 25, I-10125 Torino, Italy.

出版信息

MycoKeys. 2018 Apr 13(33):103-124. doi: 10.3897/mycokeys.33.23703. eCollection 2018.

Abstract

and are described as new species from two Himalayan states (Sikkim and Uttarakhand) in India. is characterised by a unique combination of features: reddish- or brownish-grey to purplish-grey then brown to reddish-brown or darker pileus, absence of olive or violet tinges on stipe surface, angular pores, stipe without reticulum or rarely with a faint reticulum restricted to the very apex, bitter taste of the context and positive macrochemical colour reaction of the stipe context with KOH (dark orange) and FeSO (dark green), medium sized (10.9-14.4 × 3.9-4.9 µm) basidiospores and occurrence under coniferous trees; is distinguished by orange-yellow to brown-yellow sticky pileus, pale yellow pore surface with pinkish hues that turns pale to greyish-orange on bruising; angular pores, stipe concolorous to pileus with pruinose but never reticulate surface, ixocutis pattern of pileipellis and occurrence under broadleaf trees. Another species, , which was reported earlier from China and Japan, was also collected from Sikkim and reported for the first time from India. All three species are described with morphological details and two-locus based (nrLSU and nrITS) phylogenetic data.

摘要

[物种名称1]和[物种名称2]被描述为来自印度两个喜马拉雅邦(锡金邦和北阿坎德邦)的新物种。[物种名称1]具有独特的特征组合:菌盖呈红灰色或棕灰色至紫灰色,然后变为棕色至红棕色或更深,菌柄表面无橄榄色或紫色色调,菌孔呈角形,菌柄无网纹或很少有微弱网纹,仅局限于顶端,菌肉有苦味,菌柄菌肉与氢氧化钾(深橙色)和硫酸亚铁(深绿色)有阳性宏观化学颜色反应,担孢子中等大小(10.9 - 14.4 × 3.9 - 4.9 µm),生长在针叶树下;[物种名称2]的特征为菌盖橙黄色至棕黄色且有黏性,菌孔表面浅黄色且带有粉红色调,受伤后变为浅至灰橙色;菌孔呈角形,菌柄与菌盖同色,表面有粉霜但无网纹,菌盖表皮为黏皮层模式,生长在阔叶树下。另一个物种[物种名称3],此前已在中国和日本被报道,也从锡金邦采集到,并首次在印度被报道。所有这三个物种均根据形态细节和基于两个基因座(nrLSU和nrITS)的系统发育数据进行了描述。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a5e8/5911683/b8047fc2dd53/mycokeys-33-103-g001.jpg

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