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Issue: Vol. 338 No. 1: 9 February 2018
Type: Correspondence
Published: 2018-02-09
DOI: 10.11646/phytotaxa.338.1.13
Page range: 135–139
Abstract views: 18
PDF downloaded: 1

Lecanorchis sarawakensis (Orchidaceae, Vanilloideae), a new mycoheterotrophic species from Sarawak, Borneo

Department of Biology, Graduate School of Science, Kobe University, 1-1 Rokkodai, Nada-ku, Kobe, 657-8501, Japan
Botanical Research Centre, KM 20, Borneo Heights Road, 93250, Kuching, Sarawak, Malaysia
Iriomote Station, Tropical Biosphere Research Center, University of the Ryukyus, 870 Uehara, Taketomi-cho, Yaeyama-gun, Okinawa 907-1541, Japan
Center for Asian Conservation Ecology, Kyushu University, 744, Motooka, Fukuoka 819-0395, Japan
Center for Environmental Biology and Ecosystem Studies, National Institute for Environmental Studies, Tsukuba, Ibaraki 305-8506, Japan
Iriomote Station, Tropical Biosphere Research Center, University of the Ryukyus, 870 Uehara, Taketomi-cho, Yaeyama-gun, Okinawa 907-1541, Japan
Center for Asian Conservation Ecology, Kyushu University, 744, Motooka, Fukuoka 819-0395, Japan
Orchidaceae Vanilloideae Monocots

Abstract

Lecanorchis Blume (1856: 188) comprises about 30 species of mycoheterotrophic orchids (Seidenfaden 1978, Hashimoto 1990, Szlachetko & Mytnik 2000, Govaerts et al. 2017) characterized by having numerous, long, thick, horizontal roots produced from a short rhizome, presence of a calyculus (i.e. a cup-like structure located between the base of the perianth and apex of the ovary) and an elongate column with a pair of small wings on each side of the anther (Seidenfaden 1978, Hashimoto 1990). The genus is distributed across a wide area including China, Korea, India, Indonesia, Japan, Laos, Malaysia, New Guinea, Pacific islands, the Philippines, Taiwan, Thailand and Vietnam (Seidenfaden 1978, Hashimoto 1990, Pearce & Cribb 1999, Szlachetko & Mytnik 2000, Averyanov 2011, 2013).