Friday, February 1, 2019

[Botany • 2019] Kaempferia mahasarakhamensis (Zingiberaceae) • A New Species from Northeastern Thailand


Kaempferia mahasarakhamensis  Saensouk & P. Saensouk

in Saensouk & Saensouk, 2019. 
ว่านตูบหมูบสารคาม  ||  DOI: 10.6165/tai.2019.64.39 

Abstract
Kaempferia mahasarakhamensis sp. nov. (Zingiberaceae), a new species from Northeastern Thailand, is described, photographed and illustrated. It can be easily recognized by its erect and elongate psuedostem, length of leaf sheaths and leaves elliptic with apex acuminate. The new species resembles K. larsenii Sirirugsa but it differs in its two leaves, pseudostem high, blade broadly elliptic, leaf apex acute, length of leaf sheath, length of petiole, number flower per inflorescence, white flower and labellum white with two darker purple patches towards the base.

Keyword: Kaempferia mahasarakhamensis; Maha Sarakham; New species; Thailand; Zingiberaceae

Fig. 2. Kaempferia mahasarakhamensis:
 A. Habit, B. Habit showing rhizome and pseudostem, C. Habit showing rhizome and inflorescence, D. Fruit (arrow), E. Flower, Photos taken from the type locality by Surapon Saensouk.


Fig. 1. Kaempferia mahasarakhamensis
A. plant habit, showing leafy stem, rhizome and storage root, B. flower, C. top view of flower, D. bracteole, E. calyx tube, F. dorsal corolla lobe, G. lateral corolla lobe, H. bract, I. labellum, J. lateral staminode, K. anther with anther crest, L. ovary 
(scale bars; A= 5 cm; B-L = 1 cm), 
Drawing by Surapon Saensouk.

Kaempferia mahasarakhamensis Saensouk & P. Saensouk, sp. nov.

Etymology: The specific epithet of the new species is collected from ‘Maha Sarakham Province’, the first discover place.

Distribution: Endemic to Thailand, which is found only in Doonlamphan Hunting Area, Na Chueak District, Maha Sarakham Province, Northeastern, Thailand. Moreover, it was presented common from the type locality.

Ecology: It grows on an open area and under the shade of dry deciduousforests and mixed deciduous forests. It appearsonly in the rainy season.

Vernacular Names: Wan-Toob-Moob-Sarakham (ว่านตูบหมูบสารคาม)


Surapon Saensouk and Piyaporn Saensouk. 2019. Kaempferia mahasarakhamensis, A New Species from Thailand. Taiwania. 64(1): 39-42. DOI: 10.6165/tai.2019.64.39 

   

1 comment:

  1. In my opinion, this plant is not a new species, and it looks like Kaempferia galanga or K. marginata. This name will be synonymised soon by specialists.

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