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Pipturus argenteus (J.G. Forster) Wedd.

Pipturus argenteus (J.G. Forster) Wedd.

Family

Urticaceae

Synonyms

Urtica argentea J.G. Forster, Pipturus propinquus (Decne.) Wedd., Pip­turus velutinus (Decne.) Wedd., Pipturus in­canus (Blume) Wedd.

Vernacular Names

Indonesia

Ki beunteur (Sundanese), bedreg (Javanese), lobiri (Moluccas).

Papua New Guinea

Evakau (Konis, New Ireland), yiwiya (Aseki, Morobe Province), helo (Tipku, Fane, Central Province).

Geographical Distributions

Pipturus argenteus is distributed from the Pacific Islands, north­ern Australia and New Guinea to the Philippines and Borneo, Java, Sumatra and the islands on the west coast of Peninsular Malaysia, and westward to the Seychelles.

Description

Pipturus argenteus is a dioecious shrub or tree that can reach up to 10(-20) m tall. Its trunk is 8-20(-40) cm in diametre, with smooth bark, grey and lenticellate. The inner bark is soft, pale yellow to green and with sparsely to densely hairy twigs.

The leaves are ovate, measure 8-15(-35) cm x 5-10(-25) cm, acute at base, with obtuse, rounded to cordate, acu­minate apex, with serrate margin, densely strigose and densely woolly beneath.

The petiole is 2-12(-24) cm long while stipules are 3-14 mm long. The spikes or sparsely branched pani­cles are up to 12(-20) cm long and bracteolate. The flowers are clustered at intervals, subsessile to sessile. The cluster is 3-7 mm in diametre. The male flowers are 4-merous while the fe­male flowers are urn-shaped perianth, minutely 4­-toothed, densely pubescent and with up to 3 mm long style.

The achene is white to brown, partially immersed in the spherical, fleshy receptacle and up to 7 mm in diame­tre.

Ecology / Cultivation

Pipturus argenteus is common in disturbed habitats, especially in the eastern part of its area of distrib­ution, from sea-level up to 1250 m altitude.

Line Drawing / Photograph

Pipturus_argenteus

References

  1. Plant Resources of South-East Asia No.12(2): Medicinal and poisonous plants 2.

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