Areca palm (English spelling) Chrysalidocarpus lutescens; areca palm; butterfly palm

Japanese: アレカヤシ（英語表記）Chrysalidocarpus lutescens; areca palm; butterfly palm

It is a palm plant native to Madagascar. It was once classified as a member of the Areca genus, and so is known as Areca palm, but in modern classification it is included in the Chrysalidocarpus genus. Its pinnate leaves resemble the feathers of a pheasant, hence its Japanese name Yamadori palm. The trunk grows in a clump, reaching a diameter of 5-15 cm and a height of 7-8 m. Leaf scars that look like bamboo joints remain on the trunk at intervals of about 10 cm. The leaves are pinnate and about 2 m long. 40-50 pairs of leaflets are arranged on the leaf axis, and they bend gracefully. It is often cultivated as a garden tree in the tropics and subtropics. In Japan, it is cultivated in greenhouses, and is sold as a foliage plant in pots with a height of about 40 cm to about 2 m. It is also produced as cut leaves for ikebana. It is relatively shade-tolerant and easy to grow indoors. When the surface of the potting soil dries, give it plenty of water and keep the temperature at least 5°C or higher.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

ヤシ科植物で，マダガスカル原産。かつてアレカ属に分類されたためにアレカヤシの名が定着しているが，現在の分類ではクリサリドカルプス属に含まれる。羽状葉がヤマドリの羽に似ていることから，ヤマドリヤシの和名がある。幹は叢生し，直径5～15cm，高さ7～8mに達する。幹には約 10cm間隔で，タケの節のようにみえる葉痕が残る。葉は長さ 2m前後の羽状葉。葉軸に 40～50対の小葉が並び，優美にしなる。熱帯や亜熱帯では庭園樹としてしばしば栽培される。国内では温室栽培されるほか，樹高 40cm前後から 2m程度の鉢仕立てで，観葉植物として流通する。また，生け花材料の「切り葉」としても生産されている。耐陰性が比較的強く，室内で栽培しやすい。鉢土の表面が乾いたら十分に水を与え，最低5℃以上に保つ。

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