Thrixspermum trichoglottis is a monopodial orchid in the subfamily Epidendroideae. It is widespread across the eastern Himalayas, Yunnan, Indochina, the Andaman & Nicobar Islands, Malaysia and western Indonesia.Kew World Checklist of Selected Plant FamiliesFlora od China v 25 p 469, 同色白点兰 tong se bai dian lan, Thrixspermum trichoglottis (J. D. Hooker) Kuntze, Revis. Gen. Pl. 2: 682. 1891. Huda, M.K. (2007). An updated enumeration of the family Orchidaceae from Bangladesh. The Journal of the Orchid Society of India 21: 35-49.Wood, J.J., Beaman, T.E., Lamb, A., Lun, C.C. & Beaman, J.H. (2011). The Orchids of Mount Kinabalu 2: 1-726. Natural history publications (Borneo), Kota Kinabalu, Malaysia.Nordin, F.A. & al. (2012). Notes on new records of Orchidaceae at Fraser's Hill, Pahang, Malaysia. Folia Malaysiana 13: 53-80.
Description
Morphologies that have been observed in Pasoh Forest Reserve, Malaysia: pseudobulb absent monopodial leaf equally bi-lobulate (young leaves somehow unequal) leaves 15 mm x 65 mm, thin and fleshy stem sheathed with internode, 1 cm stem mildly branched rooting throughout, rhizome heavily branched inflorescence 1-2 flowers, with a long bract about 10 cm long, scale like lateral sepal unevenly rhomboid, 4 x 7 mm dorsal sepal elliptic, 2 x 6 mm lip 7 x 6 mm with only one lobe pubescent at both face of the lobe, with fleshy acute tip yellow-orange spots on the outer surfaces near the lip tip column small, 3 x 4 mm color dimmer than petals and sepals pollinia white
References
Seidenfaden, G. and Wood, J.J. (1992). The Orchids of Peninsular Malaysia and Singapore.