Tropidia nagamasui (Tsukaya, M.Nakaj. & H.Okada) Ormerod & Juswara 2019

TYPE Drawing by © Mutsuko Nakajima and

EARLIER

Common Name Nagamasu's Tropidia [Bornean Cocollector of the TYPE Current]

Flower Size

Found in Kalimantan province of Borneo in tropical rainforests at elevations around 380 meters as a mini-miniature sized, hot growing mycotrophic terrestrial with an oblong, horizontal, sparsely hairy tuber an erect, rigid, 3" [7.5 cm] long, branched stem provided with linear-lanceolate, acute sheaths at the nodes that blooms in the earlier winter on a short, sparsely hairy, to 5 flowered inflorescence with ovate, acute to acuminate, brown, as long as the ovary floral bracts and carrying ivory white, non resupinate flowers

"Tropidia nagamasui has the smallest flowers in the genus (sepals .08 to .108" [2.0 to 2.7 mm] long); however, T. namasiae from Taiwan, Thailand, and India has sepals .14 to .2" [3.5 to 5.0 mm] long. Other taxa such as T. curculigoides can have sepals to .56" [14 mm] long, though the average in the genus seems to be .28 to .44" [7 to 11 mm] long." Ormerod & Juswara 2019

Synonyms *Kalimantanorchis nagamasui Tsukaya, M.Nakaj. & H.Okada 2011

References W3 Tropicos, Kew Monocot list , IPNI ;

Syst. Bot. 36: 52 Tsukaya, M.Nakaj. & H.Okada 2011 as Kalimantanorchis nagamasui

* Harvard Pap. Bot. 24: 30 Ormerod & Juswara 2019

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