Orchidantha sarawakensis sp. nov. (Zingiberales: Lowiaceae) a new species endemic to East Malaysia Borneo

Syauqina M. Y., . and Meekiong K., . and Aimi Syazana S., . Orchidantha sarawakensis sp. nov. (Zingiberales: Lowiaceae) a new species endemic to East Malaysia Borneo. pp. 371-376. ISSN 0128-1283

Lowiaceae is one of the eight families in Zingiberales and comprises a single genus Orchidantha. This genus is restricted to South-East Asia and poorly known among Zingiberales. Currently there are 25 species including a new species from Sarikei Sarawak O. sarawakensis Syauqina Meekiong which is described and illustrated in this paper. Orchidantha sarawakensis is compared with species described in South-East Asia and also species described in Borneo. The comparison shows that O. sarawakensis is closely related to O. megalantha korni�k. AD Poulsen and O. holttumii K Larsen. The features that delineate O. sarawakensis as a new species is that its labellum possesses a prominent extended midrib throughout the apex with spiral like structure curved upwards and a Y-shaped secretion tissue called viscidium. A key of Orchidantha to all Malaysian species is presented.

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Abstract

Lowiaceae is one of the eight families in Zingiberales and comprises a single genus Orchidantha. This genus is restricted to South-East Asia and poorly known among Zingiberales. Currently there are 25 species including a new species from Sarikei Sarawak O. sarawakensis Syauqina Meekiong which is described and illustrated in this paper. Orchidantha sarawakensis is compared with species described in South-East Asia and also species described in Borneo. The comparison shows that O. sarawakensis is closely related to O. megalantha korni�k. AD Poulsen and O. holttumii K Larsen. The features that delineate O. sarawakensis as a new species is that its labellum possesses a prominent extended midrib throughout the apex with spiral like structure curved upwards and a Y-shaped secretion tissue called viscidium. A key of Orchidantha to all Malaysian species is presented.

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Item Type:	Article
AGROVOC Term:	Zingiberaceae
AGROVOC Term:	Endemic species
AGROVOC Term:	Plant morphology
AGROVOC Term:	Measurement
AGROVOC Term:	Habitats
AGROVOC Term:	Ecology
AGROVOC Term:	Native species
AGROVOC Term:	New species
AGROVOC Term:	Taxonomy
AGROVOC Term:	Genetic resources conservation
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:54
URI:	http://webagris.upm.edu.my/id/eprint/8210

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