Kigoke - Kigoke

Japanese: キゴケ - きごけ

This arborescent lichen grows on rocks along roadsides in mountainous areas. The branch (pseudopeduncle) branches into several at the base, reaching a height of 5-8 cm, and further branches several times at the top. The branch is somewhat flattened, with dense coral-like twigs (thorny branches) on one side and bare on the other. The symbiotic algae are green algae, with granular, dark brown capitulae here and there on the branch, including the cyanobacterium Nostocium. The odonta is brown, dish-shaped, and 1-3 mm in diameter, occurring at the apex of the branch. The spores are needle-shaped, colorless, and eight-lobed. It is distributed from Hokkaido to Kyushu. The genus Stereocaulon is endemic to Japan, and there are 32 species.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

山地の道端の岩上に生える樹枝状地衣。枝(偽枝柄)は根もとで数本に枝分れして高さ5～8cmとなり，上部でさらに数回分枝する。枝はやや扁平で，片側にサンゴ状の小枝(棘枝)を密生し，もう一方の側は裸出する。共生藻は緑藻で，枝のところどころに粒状で暗褐色の頭状体をもち，中にラン藻類のネンジュモ属を含む。子器は枝の頂端に生じ，皿形，褐色で直径1～3mm。胞子は針状で無色8室。北海道から九州まで分布する。キゴケ属Stereocaulonは日本特産で，32種がある。

出典　株式会社平凡社世界大百科事典第２版について　情報

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