A tree of the genus Hakea in the Proteaceae family that grows in the arid regions of Australia. There are about 100 species, and they are evergreen shrubs to small trees. The leaves are needle-shaped, linear, cylindrical, lanceolate, ovate, or elliptical, and come in a variety of shapes, including entire, bifurcated, and pinnate. The leaf shape of young and mature trees often differs. Racemes are borne in the leaf axils, and bear flowers with recurved perianth tips. The fruit is a woody capsule. Several species are cultivated as ornamental trees in greenhouses. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
オーストラリアの乾燥地域に生育するヤマモガシ科ハケア属Hakeaの樹木。約100種あり,常緑低木~小高木。葉が針形,線形,円筒形,披針形,卵形,または楕円形をなし,また全縁のもの,2叉(にさ)するもの,羽裂するものなどさまざまな形態を示す。しばしば幼木と成木では葉形が異なる。総状花序が葉腋(ようえき)に生じ,花被の先が反曲した花をつける。果実は木質の蒴果(さくか)。温室の観賞樹木として数種が栽培される。
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 |
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