Cornus kousa - Mountain flower

Japanese: ヤマボウシ - やまぼうし
Cornus kousa - Mountain flower

A deciduous tree of the Cornaceae family (APG classification: Cornaceae). It can reach a height of 10 meters. The trunk is gray-brown. The leaves are opposite, elliptical or oval, 4-12 cm long, entire. The flowers bloom in June-July, are small and pale yellow, and many of them are clustered together in a sphere, with four large petal-like white involucres. It is considered to be a more advanced plant than the same genus Cornus, which bears large corymbs without involucres. The fruits are spherical, 1-1.5 cm in diameter, ripen red, and are edible. It commonly grows in mountainous areas, distributed from Honshu to Kyushu, the Korean peninsula, and China. The name comes from the fact that the capitulum resembles the head of a warrior monk, and the white involucres resemble a hood. Because the fruits are edible, it is also called Yamaguwa, meaning mulberry that grows in the mountains, but it is a completely different species from the Yamaguwa of the same name, which is a member of the Mulberry family. The material is used as equipment material.

[Yuichi Kadota March 22, 2021]

[Reference item] | Yamaguwa
Dogwood
The flowering season is from June to July. The flowers are small and pale yellow, and many of them grow together in a spherical shape. What appear to be four white petals are in fact the involucre. ©Shogakukan ">

Dogwood

Cornus fruit
The spherical aggregate fruit is about 2cm in diameter. It ripens red in August and September. The flesh is sweet and edible. ©Seishohmaru ">

Cornus fruit


Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend

Japanese:

ミズキ科(APG分類:ミズキ科)の落葉高木。高さ10メートルに達する。幹は灰褐色。葉は対生し、楕円(だえん)形または卵円形で長さ4~12センチメートル、全縁。花は6~7月に開き、淡黄色で小さく、多数が球状に集合し、大形の花弁状で白色の総包片が4枚ある。総包片のない大形の散房花序をつける同属のミズキより進化した植物と考えられている。果実は球形で径1~1.5センチメートル、赤く熟し、食べられる。山地に普通に生え、本州から九州、および朝鮮半島、中国に分布する。名は、頭状花序を僧兵の頭に見立て、また白い総包片を頭巾(ずきん)に見立てたもの。果実が食用となるため、山に生える桑という意味からヤマグワともいわれるが、同名のクワ科のヤマグワとはまったくの別種である。材は器具材として用いる。

[門田裕一 2021年3月22日]

[参照項目] | ヤマグワ
ヤマボウシ
花期は6~7月。花は淡黄色で小さく、多数が球状に集合する。4枚の白色の花弁にみえるのは総包片である©Shogakukan">

ヤマボウシ

ヤマボウシの果実
球形の集合果で径約2cm。8~9月に赤く熟す。果肉は甘く、食べられる©Seishohmaru">

ヤマボウシの果実


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