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Thai Forest Bulletin Thai Fores Thai Forest Bulletin t Bulletin (Botany) Vol. 46 No. 2, 2018 Vol. t Bulletin (Botany) (Botany) Vol. 46 No. 2, 2018 ISSN 0495-3843 (print) ISSN 2465-423X (electronic) Forest Herbarium Department of National Parks, Wildlife and Plant Conservation Chatuchak, Bangkok 10900 THAILAND http://www.dnp.go.th/botany ISSN 0495-3843 (print) ISSN 2465-423X (electronic) Fores t Herbarium Department of National Parks, Wildlife and Plant Conservation Bangkok, THAILAND THAI FOREST BULLETIN (BOTANY) Thai Forest Bulletin (Botany) Vol. 46 No. 2, 2018 Published by the Forest Herbarium (BKF) CONTENTS Department of National Parks, Wildlife and Plant Conservation Chatuchak, Bangkok 10900, Thailand Page Advisors Wipawan Kiaosanthie, Wanwipha Chaisongkram & Kamolhathai Wangwasit. Chamlong Phengklai & Kongkanda Chayamarit A new species of Scleria P.J.Bergius (Cyperaceae) from North-Eastern Thailand 113–122 Editors Willem J.J.O. de Wilde & Brigitta E.E. Duyfjes. Miscellaneous Cucurbit News V 123–128 Rachun Pooma & Tim Utteridge Hans-Joachim Esser. A new species of Brassaiopsis (Araliaceae) from Thailand, and lectotypifications of names for related taxa 129–133 Managing Editor Assistant Managing Editor Orporn Phueakkhlai, Somran Suddee, Trevor R. Hodkinson, Henrik Æ. Pedersen, Nannapat Pattharahirantricin Sawita Yooprasert Priwan Srisom & Sarawood Sungkaew. Dendrobium chrysocrepis (Orchidaceae), a new record for Thailand 134–137 Editorial Board Rachun Pooma (Forest Herbarium, Thailand), Tim Utteridge (Royal Botanic Gardens, Kew, UK), Jiratthi Satthaphorn, Peerapat Roongsattham, Pranom Chantaranothai & Charan David A. Simpson (Royal Botanic Gardens, Kew, UK), John A.N. Parnell (Trinity College Dublin, Leeratiwong. The genus Campylotropis (Leguminosae) in Thailand 138–150 Ireland), David J. Middleton (Singapore Botanic Gardens, Singapore), Peter C. van Welzen (Naturalis Alan Paton, Somran Suddee & Bhanubong Bongcheewin. Chelonopsis thailandica, Biodiversity Center, The Netherlands), Hans-Joachim Esser (Botanische Staatssammlung München, a new species and new record of Chelonopsis (Lamiaceae) from Thailand 151–154 Germany), Bob Harwood (Northern Territory Herbarium, Darwin, Australia), André Schuiteman Nutdanai Putthisawong & Sahut Chantanaorrapint. A revision of the genus Tapeinidium (Royal Botanic Gardens, Kew, UK), Anders S. Barfod (Aarhus University, Denmark), (Lindsaeaceae) in Thailand 155–161 Piyakaset Suksathan (Queen Sirikit Botanic Garden, Thailand), Pimwadee Pornpongrungrueng (Khon Kaen University, Thailand), Stuart Lindsay (National Parks Board, Singapore) Caroline Byrne, John Adrian Naicker Parnell & Kongkanda Chayamarit. Systematics of the Thai Calophyllaceae and Hypericaceae with comments on the Kielmeyeroidae Thai Forest Bulletin (Botany) (TFB) publishes papers on plant taxonomy (especially of vascular plants), (Clusiaceae) 162–216 nomenclature, phylogeny, systematics, plant geography, and floristics, and in morphology, palynology, cytotaxonomy, chemotaxonomy, anatomy and other relevant disciplines. The journal now uses Thai Journal Online (ThaiJO) for online submission and peer review at www.tci-thaijo.org/index.php/ThaiForestBulletin. Manuscripts are considered on the understanding that their contents have not appeared, or will not appear, elsewhere in the same or abbreviated form. Before submitting a manuscript please read the Guidelines for authors. These guidelines must be followed precisely otherwise publication of the manuscript will be delayed. In addition, papers published online will be distributed simultaneously in printed form to several libraries, and bound hard copy volumes will appear later. Exchange with botanical journals or periodicals pertaining to plant taxonomy would be appreciated. FOREST HERBARIUM Director: Phongsak Phonsena Curator: Nannapat Pattharahirantricin BKF Staff: Somran Suddee, Piyachart Trisarasri, Preecha Karaket, Thanongsak Jonganurak, Pachok Puudjaa, Voradol Chamchumroon, Nanthawan Suphuntee, Narong Koonkhunthod, Montri Saengsawasti, Naiyana Tetsana, Sukontip Sirimongkol, Manop Poopath, Sommanussa Saengrit, Sukid Rueangruea, Baramee Sakolrak, Sawita Yooprasert, Saksan Kaitongsuk, Orathai Kerdkaew. Front Cover: Brassaiopsis spinosissima Esser Printed at: Prachachon Co., Ltd. 35 Soi Pipat, Silom Road, Bangrak, Bangkok 10500, Thailand Tel : 0 2636 6550 THAI FOREST BULL., BOT. 46(2): 113–122. 2018. DOI https://doi.org/10.20531/tfb.2018.46.2.01 A new species of Scleria P.J.Bergius (Cyperaceae) from North-Eastern Thailand WIPAWAN KIAOSANTHIE1, WANWIPHA CHAISONGKRAM2 & KAMOLHATHAI WANGWASIT1,* ABSTRACT Scleria aureovillosa Kiaosanthie & K.Wangwasit, a new species of Cyperaceae from North-Eastern Thailand, is described and illustrated. It is closely related to S. benthamii C.B.Clarke but diff ers in the leaf and culm surfaces, culm shape, the absence of wings at the leaf sheath, contraligule features, nutlet morphology and micromorphology, and leaf and culm anatomy. An emended section of the key to the species in the Flora of Thailand account of Scleria is provided. KEYWORDS: anatomy, nutlet, Scleria aureovillosa, taxonomy, Thailand. Published online: 21 September 2018 INTRODUCTION Hypoporum (Nees) C.B.Clarke, Scleria and Trachylomia (Nees) Bauters). The genus Scleria P.J.Bergius (Cyperaceae) comprises ca 250 species, mainly distributed in the During fi eldwork undertaken as part of a Ph.D. tropics and subtropics but also extending into warm study by the fi rst author, specimens were collected temperate regions (Goetghebeur, 1986 & 1998; in Phu Rua District, Loei Province, which could not Haines & Lye, 1983; Zhang et al., 2010). In the Thai be identified using existing identification keys. fl ora, the genus is the fourth largest in the Cyperaceae Moreover, the combination of characters from the with 22 species (Simpson & Koyama, 1998), and in morphology, nutlet micromorphology and anatomy surrounding regions, 29 species in India, 34 species of these specimens differed from any previously in Malaysia, 22 species in Indo-China, 25 species known species from Thailand and elsewhere. in Vietnam, 11 species in Laos and 24 species in China, have been recorded (Clarke, 1894; Camus, MATERIALS AND METHODS 1912; Kern, 1961 & 1974; Khoi, 2002; Newman et al., 2007; Zhang et al., 2010). Scleria can be easily Materials were examined from fi eld collections recognized by the bony nutlets, which often have a and herbarium specimens at ABD, BK, BKF, BM, lobed hypogynium at the base and are not covered BO, CMUB, E, K, KEP, KKU, P, PSU, QBG and by the spikelet glumes. In the past, the genus has SING. Identifi cation was attempted using keys in been variously classifi ed into seven subgenera and the Flora of Thailand (Simpson & Koyama, 1998), up to 13 sections (e.g. Bentham & Hooker, 1883; as well as other publications such as Flora of Clarke, 1894 & 1908; Haines & Lye, 1983; Koyama, Générale de I’ Indo-Chine, the Flora of the Malay 1961; Kern, 1974). Recently, a new infrageneric Peninsula, Flora Malesiana, Flora of Vietnam, a classification by Bauters et al. (2016), based on Checklist of the Vascular Plants of Lao PDR and molecular evidence and supported by morphology, Flora of China etc. Images of the infl orescences, confi rmed Scleria as monophyletic and sister to tribe habit and habitat were taken with a Ricoh CX4 Bisboeckelereae, with four, strongly supported digital camera. Morphological observations were subgenera (Browniae (C.B.Clarke) C.B.Clarke, made using an Olympus SZ-PT stereo microscope. 1 Department of Biology, Faculty of Science, Mahasarakham University, Maha Sarakham 44150, Thailand. 2 Program of Biology, Faculty of Science, Udon Thani Rajabhat University, Udon Thani 41000, Thailand. * Corresponding author: [email protected] © 2018 The Forest Herbarium SW 11611-p113-122-G8.indd 113 1/16/62 BE 4:30 PM 114 THAI FOREST BULLETIN (BOTANY) VOL. 46 NO. 2 Nutlets were taken from dry specimens and placed awned, margins hispid. Spikelets in clusters with on a stub with carbon tape, coated with gold by 1‒2 subandrogynous spikelets and 1‒2 staminate SPI-MODULE and examined using a JEOL spikelets; prophyll usually borne at the base of spikelet, JSM6460LV scanning electron microscope (SEM) obovate, 1.5‒2 mm long, 2-keeled, sides membranous, at the Laboratory Equipment Center, Mahasarakham glabrous, reddish-brown, apex obtuse.Subandrogynous University. The outer walls of nutlets were removed spikelets ovate-oblong, 4‒5 x 1‒2 mm; with 3 by soaking in 70% sulphuric acid for 60‒90 minutes. glumes, ovate to broadly-ovate, 2‒4 x 1‒2 mm, sides The samples were then sonicated in an ultrasonic membranous, glabrous, reddish-brown, apex awned, cleaner for 30 minutes and washed with distilled lowest glume empty, shortest; lateral staminate water in the ultrasonic cleaner for a further 10 minutes. fl ower remnant present. Staminate spikelets sessile The samples were dried overnight in silica gel and to pedunculate, ovate-lanceolate, 4‒6 x 1 mm; with were examined with the SEM. Confi rmation of the many glumes, ovate to broad-ovate, 2‒4 x 1‒2 mm, siliceous on nutlet were obtained by analysis using sides membranous or hyaline, glabrous, reddish- a SEM fi tted with an energy dispersive X-ray analyser brown, apex acute, obtuse or emarginate, the two (EDX). The comparative leaf and culm anatomy lowest glumes empty, shortest, apex awned. Stamens were observed. Samples were prepared using epidermal 3, linear, 1.5 mm long, yellow to brown. Stigmas 3. peeling and paraffi n methods and stained with safranin Nutlets subglobose to globose, terete,
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