Last updated: 02 April 2015
Alstonia spatulata Blume
Alstonia cochinchensis Pierre ex Pit., Alstonia cuneata Wall. ex G.Don [1]
Malaysia | Pulai paya (General); pulai basong (Peninsula); pulai lilin (Sabah); [2] pulai putih, pokok rejang, basong, [3] pelai [4] |
English | Hard milkwood, siamese balsa [2] |
Indonesia | Lame bodas (General); pulai gabus (Sumatra);[2] gabusan (Sundanese) |
Thailand | Thia, sia, teenpet phru (Peninsular); [2] tin [3] |
Vietnam | s[uwx]a l[as] b[af]ng, m[ows]p, m[of] cua n[uw][ows]c [2]. |
Alstonia spatulata is distributed in Laos, Cambodia, Vietnam, Thailand, Peninsular Malaysia, Sumatra, Bangka Island, West Java, Borneo and New Guinea. It is occurs scattered on poorly drained, frequently flooded, clay-rich alluvium and on gley soils on undulating land, particularly near streams, usually below 300 m altitude. It is often abundant in secondary or shrub vegetation. [2]
A. spatulata comes from the family of Apocynaceae. It is a small to medium-sized tree which can grow up to 20(-30) m tall. Its cylindrical bole is above a fluted and the outer bark is grey, smooth and with small papery flakes while the inner bark is pale yellow and with copious latex. [2]
The roots are shortly buttressed, and measures up to 75 cm in diametre. [2]
The leaves are on a narrowly winged petiole in whorls of 4-6, measuring 7-10 cm long, spoon-shaped, rounded at the top and with numerous secondary veins. [2]
The inflorescence is loose and its flowers are borne on pedicels of 2-10 mm long. The sepal is hairless while the petal is smooth outside. The follicles are hairless. [2]
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Figure 1: The line drawing of A. spatulata Blume. [2]