2013Thai Forest Bulletin (Botany)Open access

Mallotus actinoneurus and Mallotus tokiae (Euphorbiaceae), a new record and a new species for Thailand

Peter C. van Welzen

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Abstract

A new species of Mallotus (Euphorbiaceae) is described for Peninsular Thailand. Typical are the densely spined fruits, lack of infl orescences (axillary fl owers), lack of indumentum and opposite leaves. Mallotus actinoneurus, up to now only known from NE Peninsular Malaysia, is also found at the Thai side of the border. The staminate infl orescences and fl owers of this species were previously unknown, the infl orescences and buds are newly described here.

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A new species of Mallotus (Euphorbiaceae) is described for Peninsular Thailand. Typical are the densely spined fruits, lack of infl orescences (axillary fl owers), lack of indumentum and opposite leaves. Mallotus actinoneurus, up to now only known from NE Peninsular Malaysia, is also found at the Thai side of the border. The staminate infl orescences and fl owers of this species were previously unknown, the infl orescences and buds are newly described here.

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Available abstract

A new species of Mallotus (Euphorbiaceae) is described for Peninsular Thailand. Typical are the densely spined fruits, lack of infl orescences (axillary fl owers), lack of indumentum and opposite leaves. Mallotus actinoneurus, up to now only known from NE Peninsular Malaysia, is also found at the Thai side of the border. The staminate infl orescences and fl owers of this species were previously unknown, the infl orescences and buds are newly described here.

Key concepts: Mallotus, Euphorbiaceae, Biology, Botany, Indumentum, Taxonomy (biology), Ecology, Predation

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Mallotus actinoneurus and Mallotus tokiae (Euphorbiaceae), a new record and a new species for Thailand — Research Paper | ScholarLens