Alpinia

...A beautiful perennial plant of the genus Alpinia (Zingiberaceae). The genus Alpinia is found in the tropics of the Old World, with 150 species, of which several species, such as Alpinia umbellata, are found in Japan, and about 20 species are cultivated for decorative purposes. Alpinia can reach a height of 3m, with clumpy stems and alternate lanceolate leaves 60-80cm long, with spike-like flowers drooping from the top of the stem. The flowers are white and fleshy, with lip-like petals that have yellow edges with red spots. Kifugetou cv.Variegata is a variegated variety of Alpinia with yellow diagonal stripes on both sides of the leaves, and these leaves are cultivated on Hachijo Island for use as fresh flowers. ...

*Some of the terminology that mentions "Alpinia" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…ショウガ科ハナミョウガ属(アルピニア属Alpinia)に属する花の美しい多年草。ハナミョウガ属は旧世界の熱帯に150種を産し，このうち日本にもハナミョウガなど数種があり，また観賞用に栽植されるものも20種ほどある。ゲットウは高さ3mに達し，茎が株立ち，長さ60～80cmの披針形の葉を互生し，茎頂部から穂状に花が下垂してつく。花は白く肉質で，唇状の花弁の縁は黄色くその縁に赤色の斑点が入る。キフゲットウcv.Variegataはゲットウの斑（ふ）入品種で葉の両側に黄色の斜線模様が入り，この葉は生花用に八丈島で栽培されている。…

※「Alpinia」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報