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Nature You Meet in the Mountains #5

Flora & Fauna of Korea #5

Korea.net publishes a series of articles, “Nature You Meet in the Mountains,” about the peninsula’s mushrooms, insects, trees and herbs & flowers.

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Insects

Name: 왕잠자리, Wang jamjari
Scientific name: Anax parthenope julius Brauer
Distribution: Korea, China, Japan, Taiwan

This large dragonfly has an average body length of 50-55 millimeters and also a wingspan of 50-55 millimeters. The head, back of the head and face are yellowish green and the antenna tubercle is dark brown. The thorax is green with a few rippled patterns on it. The dorsal side of the first and second abdominal segments are light blue on males and yellow-green on females. The wings are transparent and mostly dark blue, except for the edges. The wing vein is brown and has a green pattern along the edge.

Ecology: Larvae are found around medium-sized stretches of water in ponds and along the riverside. These large dragonflies can be observed from April to May and from August to October. The couples stick together after mating until the larvae spawn.

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Trees

Name: 잣나무/ 홍송, Jatnamu/ Hongsong
Scientific name: Pinus koraiensis Siebold & Zucc.
Type: evergreen with needles, very tall
Blooming season: May
Bearing season: September
Distribution: grows in the north central region of the peninsula and is planted nationwide

This nut pine, also called the Korean pine, is a large mountain tree. It reaches a mature size of 30 meters in height with an average diameter of about one meter. The bark is reddish brown. The needles come in bundles of five and have five white stoma on each side. This monoecious tree gives bloom to a male flower on the current branches and to a female flower at the tip of the branches. It bears an egg-shaped cone and the seeds are in a distorted triangular shape.

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Mushrooms

Name: 개암버섯, Gaeam beoseot
Scientific name: Hypholoma sublateritium (Schaeff.) Quel.
Type: saprophile spore
Print: wine
Edible

This mushroom grows alone or in clusters from the branches of fallen and dead broad-leaved trees and from stumps and buried trees. The pileus has an average diameter of 3 to 8 centimeters and gets flat and wide near the top. The surface is slightly moist with a low level of viscosity. Colors range from yellowish brown to reddish brown. The pileus gets paler toward the edge and has a thin white fibrous film. The attached gills change color from whitish to yellowish brown and finally to purplish brown as the spores mature. The empty stipe is 5 to 13 centimeters high and 8 to 15 millimeters thick. The top is light yellow while the bottom is reddish brown and has a fibrous scale.

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Herbs & Flowers


Name: 고사리, Gosari
Scientific name: Pteridium aquilinum var. latiusculum (Desv.) Und. Ex Heller.
Full bloom: propagation by spore
Distribution: mountains nationwide

This summer-green perennial plant is known as the eagle fern. It grows one meter high in sunny spots on mountain slopes. The roughly triangular fronds are of a firm texture, slightly coriaceous. The tripinnate leaves grow to more than 50 centimeters. The edges of the sporangium are curled backward to form what is seen as an indusium. The sorus is red-brown. It is edible when young.

*This series of article about Korea’s insects, trees, mushrooms and herbs & flowers has been made possible with the cooperation of the Korea National Arboretum.

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