It is an evergreen perennial plant of the Gesneriaceae family (APG classification: Gesneriaceae), some of which become woody. Over 100 species are found in tropical Asia, New Guinea, etc. It grows on trees or rocks, and most species have drooping stems. The leaves are opposite or whorled, and the flowers are 1-2 in each upper leaf axil or in clusters at the top of the stem, forming a labiate corolla. A. pulcher G.Don, A. speciosus Hook., and A. radicans Jack are cultivated in pots. A. micranthus CBClarke is popular as a hanging ornamental plant, where you can also enjoy its flowers. It is propagated by cuttings. It can grow in weak light, and overwinter at temperatures above 10°C. Trichosporum is the old genus name. [Takabayashi Masatoshi July 16, 2021] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
イワタバコ科(APG分類:イワタバコ科)の常緑多年草で、木質化する種類もある。熱帯アジア、ニューギニアなどに100種以上が分布。樹木や岩に着生し、茎は下垂する種類が多い。葉は対生または輪生し、花は上部各葉腋(ようえき)に1~2花または茎頂に房状につき唇形花冠となる。ハナツルクサA. pulcher G.Don、スペキオーサスA. speciosus Hook.、ラディカンスA. radicans Jackなどが鉢栽培される。ミクランサスA. micranthus C.B.Clarkeは花も楽しめる観葉吊(つ)り鉢物として人気がある。挿木で殖やす。弱い光線のもとでも育ち、10℃以上で越冬する。トリコスポラムTrichosporumは旧属名。 [高林成年 2021年7月16日] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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