Treasures of Mt. Takao

Mt Takao is located at the borderline of warm-temperature zone and cool-temperature zone and various plants from both zones grow. There are a lot of naturally grown plants and their visitors can enjoy seasonal flowers. Over 1,500 kinds of plants are confirmed which is relevant to the number of kinds naturally grow in England. Also, over 60 kinds of plants are first found in Mt. Takao such as Takao Sumire (V. yezoensis f. discolor) and Takao Higodai (Saussurea sinuatoides).

Polystichum tripteron (Kunze) Presl
Polystichum tripteron (Kunze) Presl Dryopteridaceae
Summer green ferns (wilt in winter) or evergreen ferns that have green leaves throughout the year found in wet areas at forest edges and forests in mountains. Two pinnas at the bottom is exceptionally long creating cross-shaped, hence the Japanese name Jyumonji-sida literally meaning cross-shaped ferns. Rhizomes and petioles have brown scales (scale-like shape parts found on stems and petioles in ferns) densely placed but sprout are edible after removing these scales and marinated or tempura. Petioles are about 15 to 35 cm long and small leaves on pinnas are hook-shaped and about 3 to 5 cm. The entire plant becomes up to about 60 cm. Have sorus randomly placed near leaf axils. Spore cases are protected with indusium and have irregular toothed margins (edges of leaves are like a teeth of saw). Spore ripe earlier than other ferns.

●Season January to about December
●Length of Leaves about 30 to 60 cm
●Place Ura-Takao
※Quotation from Mount Takao formula application
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