''Daedaleopsis hainanensis'' is a species of

white rot A wood-decay or xylophagous fungus is any species of fungus that digests moist wood, causing it to rot. Some species of wood-decay fungi attack dead wood, such as brown rot, and some, such as ''Armillaria'' (honey fungus), are parasitic and col ...

poroid fungus that is found in tropical China. It was described as a new species in 2016 by mycologists Hai-Jiao Li and Shuang-Hui He. The type was collected in Jianfengling Nature Reserve ( Ledong County,

Hainan Hainan (, ; ) is the smallest and southernmost province of the People's Republic of China (PRC), consisting of various islands in the South China Sea. , the largest and most populous island in China,The island of Taiwan, which is slightly l ...

), where it was found growing on a fallen angiosperm trunk. It is one of five ''

Daedaleopsis ''Daedaleopsis'' is a genus of fungi in the family Polyporaceae. The name ''Daedaleopsis'' is a reference to Daedalus, the labyrinth-maker of myth. Similarly, the maze-like pattern of pores is taxonomically described as being daedaloid. DNA wa ...

'' species that have been recorded in China.

Description

The fungus is characterized by

fruit bodies The sporocarp (also known as fruiting body, fruit body or fruitbody) of fungi is a multicellular structure on which spore-producing structures, such as basidia or asci, are borne. The fruitbody is part of the sexual phase of a fungal life cyc ...

that are

annual Annual may refer to: *Annual publication, periodical publications appearing regularly once per year ** Yearbook ** Literary annual *Annual plant *Annual report *Annual giving *Annual, Morocco, a settlement in northeastern Morocco *Annuals (band), ...

sessile Sessility, or sessile, may refer to: * Sessility (motility), organisms which are not able to move about * Sessility (botany), flowers or leaves that grow directly from the stem or peduncle of a plant * Sessility (medicine), tumors and polyps that ...

, fan-shaped, dimidiate, or semicircular. The cap surface is smooth, yellowish-brown, and has concentric parallel grooves. Fresh specimens have a rose to pink margin around the pore surface; the pores are round, numbering 3–4 per millimetre. ''D. hainanensis'' has a trimitic hyphal system, and the generative hyphae have

clamp connection A clamp connection is a hook-like structure formed by growing hyphal cells of certain fungi. It is a characteristic feature of Basidiomycetes fungi. It is created to ensure that each cell, or segment of hypha separated by septa (cross walls), rec ...

s. There are dendrohyphidia and hyphal pegs in the hymenium.

spores In biology, a spore is a unit of sexual or asexual reproduction that may be adapted for dispersal and for survival, often for extended periods of time, in unfavourable conditions. Spores form part of the life cycles of many plants, algae, ...

are sausage shaped to cylindrical, measuring 6–8 by 1.7–2.2 μm.

References

{{Taxonbar, from=Q55394448 Fungi of China Polyporaceae Fungi described in 2016