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单词 Cordyline australis
释义

Cordyline australis

英语百科

Cordyline australis

Tall tree on a green hillside. The tree has a bare trunk and a round head with spiky leaves
Map of New Zealand divided into multicoloured areas
 Magnified view of flowers of C. australis. Each flower has a style tipped by a short trifid stigma. There are also anthers with pollen, and nectar around the base of the ovary. In a good flowering season, a large tree may produce 1 million seeds
In spring and early summer, C. australis produces large dense flowering spikes (inflorescences) up to 1 metre (3.3 feet) long. Each inflorescence bears 5,000 to 10,000 sweetly perfumed flowers and may produce up to 40,000 seeds.

Cordyline australis, commonly known as the cabbage tree, cabbage-palm or tī kōuka, is a widely branched monocot tree endemic to New Zealand.

It grows up to 20 metres (66 feet) tall with a stout trunk and sword-like leaves, which are clustered at the tips of the branches and can be up to 1 metre (3.3 feet) long. With its tall, straight trunk and dense, rounded heads, C. australis is a characteristic feature of the New Zealand landscape. Its fruit is a favourite food source for the New Zealand pigeon and other native birds. It is common over a wide latitudinal range from the far north of the North Island at 34° 25'S to the south of the South Island at 46° 30'S. Absent from much of Fiordland, it was probably introduced by Māori to the Chatham Islands at 44° 00'S and to Stewart Island at 46° 50'S. It grows in a broad range of habitats, including forest margins, river banks and open places, and is abundant near swamps. The largest known tree with a single trunk is growing at Pakawau, Golden Bay. It is estimated to be 400 or 500 years old, and stands 17 metres (56 feet) tall with a circumference of 9 metres (30 feet) at the base.

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