Phellinus castanopsidis sp. nov. (Hymenochaetaceae) from southern China, with preliminary phylogeny based on rDNA sequences
Phellinus castanopsidis sp. nov. (Hymenochaetaceae) from southern China, with preliminary phylogeny based on rDNA sequences
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DOI：
10.1007/s11557-012-0839-5
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发表时间：
2013-05
影响因子：
2.4
通讯作者：
B. Cui;C. Decock
中科院分区：
文献类型：
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作者：
B. Cui;C. Decock
桑黄十一月是对中国南方的描述和说明。该物种的特征是平卧、一年生担子菌、二分裂菌丝系统、钩状子实层刚毛和卵形至宽椭圆形担子孢子，无色、厚壁、弱糊精类和中等嗜蓝性。大多数这些形态特征是 Fomitiporia ellipsoidea,P. 所共有的。 gabonensis，和P。 caribaeo-quercicolus，尽管在后两个物种中，担孢子不是类糊精。从系统发育的角度来看，基于 LSU 和 ITS DNA 序列数据的简约推理表明，这四个物种密切相关，形成一个单系进化枝。此外，该进化枝与桑黄进化枝(Phellinuss.s.)的关系比与Fomitiporia进化枝的关系更密切。因此，F. ellipsoidea 被转移到桑黄，并产生一个新的组合 P。还提出了椭球体。
Phellinus castanopsidissp. nov. is described and illustrated from southern China. This species is characterized by resupinate, annual basidiomata, a dimitic hyphal system, hooked hymenial setae, and ovoid to broadly ellipsoid basidiospores that are colorless, thick-walled, weakly dextrinoid, and moderately cyanophilous. Most of these morphological features are shared byFomitiporia ellipsoidea,P. gabonensis, andP. caribaeo-quercicolus, although in the two latter species, the basidiospores are not dextrinoid. In a phylogenetic perspective, parsimony inferences based on LSU and ITS DNA sequence data show that these four species are closely related, forming a monophyletic clade. Furthermore, this clade is more closely related to thePhellinus ignariusclade (Phellinuss.s.) than to theFomitiporiaclade. Hence,F. ellipsoideais transferred toPhellinus, and a new combinationP. ellipsoideusis proposed also.