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Metrosideros umbellata
Southern rātā (''Metrosideros umbellata''), is a tree endemic to New Zealand. It grows up to 15 m. or more tall with a trunk up to 1 m. or more in diameter. It produces masses of red flowers in summer. Unlike its relative, northern rātā, this species rarely grows as an epiphyte.
==Description==
The flowers of southern rātā are scarlet, with stamens about 2 cm long. White or yellow flowers are also known. Flowering usually occurs between December and February, but this depends on local conditions. Leaves are from 3 to 6 cm long, and are sharply pointed. The wood is hard, dense, and very strong. The bark is rough and flaky and provides an ideal stratum for the roots of epiphytic plants such as ''Astelia'' species and Freycinetia banksii (Kiekie). Southern rātā is a major source of honey on the West Coast of the South Island. Kākā, tui, and bellbirds visit rātā to take advantage of the abundant nectar.
Southern rātā is an ancient Gondwanan tree and is the basal species to which all other metrosideros species can be traced.
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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