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蒲桃小光壳炱介绍
更新时间: 2021-03-26 20:08:24  

1、蒲桃小光壳炱(学名:Asteridiella syzygii)是属于小煤炱目小煤炱科小光壳炱属的一种真菌,寄生在蒲桃属植物上。该种分布于中国、乌干达、印度。该物种的模式产地在乌干达。

2、蒲桃小光壳炱,菌落叶的两面生,通常叶面生,薄或稍密,丝绒状,黑色,不规则散生,圆形或不规则形状,直径1.0~3.0mm,有时愈合。菌丝体相互交结在一起,形成疏至密的网状菌丝层;菌丝平直或弯曲,大部分锐角或直角对生分枝,褐色,有隔膜,由长17.0~27.0μm 和宽5.6~7.6μm的菌丝细胞组成;头状附着器互生或单侧生,罕有对生,向前伸展,直或弯,长14.0~21.0μm;柄细胞圆柱形,长3.0~7.0μm;顶细胞棍棒状至矩圆形或卵圆形,直或有时稍微弯曲,全缘,11.0~15.0×8.0~11.0μ m;瓶状附属枝与头状附着器混生,互生或对生,瓶状,少锥状,部分长颈, 14.0~25.0×6.0~9.0μm。

3、没有菌丝刚毛。子囊壳散生至近聚生,黑色,球形,表面粗糙,直径达 170.0μm;表面细胞圆锥状或乳头状突起,高15.0~20.0μm,基部宽12.0~22.0μm。子囊孢子矩圆形,两端钝圆,有4个隔膜,在隔膜处稍缢缩或缢缩,棕色,43.0~54.0× 17.0~23.0μm。

关键词: 介绍

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