島根大学理学部紀要

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島根大学理学部紀要 15
1981-12-20 発行

日本産褐藻,コンブ科の一新属クロシオメ属

Streptophyllopsis a new genus of Laminariaceae,Phaeophyta, from Japan
梶村 光男
ファイル
内容記述(抄録等)
 Streptophyllopsis kuroshioensis (SEGAWA) gen. et comb. nov. is described herein on the basis of the detailed observations on the abundant materials collected from deep-waters in the Oki Islands, Shimane Prefecture, in the past seven years since 1974. The frond of the new taxon has a shortly stipitate simple annual blade arising singly from each terminal of the dichotomously branched perennial prostrate branch which has perennial haptera on its ventral surface. Mucilage-canals are present in the blade, stipe and the prostrate branch. Sporangial sori are formed on both surfaces of the blade and the stipe. The paraphysis has a short mucilaginous appendage.