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Entelea
''Entelea arborescens'' or whau is a species of malvaceous tree endemic to New Zealand. ''E. arborescens'' is the only species in the genus ''Entelea''. A shrub or small tree to 6 m with large lime-like leaves giving a tropical appearance, whau grows in low forest along the coast of the North Island and the northern tip of the South Island. The dry fruit capsules are very distinctly brown and covered with spines. The common name ''whau'' is a Māori word that appears to derive from the common Polynesian word for hibiscus, other malvaceous trees which whau superficially resembles. Alternate names include 'New Zealand mulberry', 'corkwood' and 'evergreen lime'.
==Description==
Within the Malvaceae, ''Entelea'' is placed within tribe Sparrmannieae and subfamily Grewioideae, a position confirmed by ndhF DNA sequence data. As is the case with most malvaceous plants, ''E. arborescens'' has alternate, stipulate foliage. The bright green obliquely cordate leaves are large (10 to 20 cm long), and have from 5 to 7 nerves and long petioles. The flowers are borne profusely between early spring and mid-summer. They have 4 or 5 sepals and petals. They are 2 cm in diameter, scented, white, with a central bunch of densely packed yellow stamens. The brown seed capsules, which are 1½ cm long, bear 2½ cm long rigid bristles.
Whau has very light wood, rivalling balsa (''Ochroma pyramidale'') for lightness, and less dense than cork. The wood was used by Māori for the floats of fishing nets and the like. The pale brown wood forms several bands of unlignified pith-like parenchyma per year. This is a characteristic shared with related plants including ''Sparrmannia'', and means that there are no distinct growth rings in the wood.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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