0. front cover, cover dalam, reviewer Reinwardtia 20(2) 29 December 2021_new REINWARDTIA 2021 20 (2) ISSN 0034 – 365 X | E-ISSN 2337 − 8824 | Accredited 158/E/KPT/2021 A JOURNAL ON TAXONOMIC BOTANY, PLANT SOCIOLOGY AND ECOLOGY REINWARDTIA A JOURNAL ON TAXONOMIC BOTANY, PLANT SOCIOLOGY AND ECOLOGY Vol. 20 (2): 43–75, December 29, 2021 Chief Editor Kartini Kramadibrata (Mycologist, Herbarium Bogoriense, Indonesia) Editors Dedy Darnaedi (Taxonomist, Herbarium Bogoriense, Indonesia) Tukirin Partomihardjo (Ecologist, Herbarium Bogoriense, Indonesia) Joeni Setijo Rahajoe (Ecologist, Herbarium Bogoriense, Indonesia) Marlina Ardiyani (Taxonomist, Herbarium Bogoriense, Indonesia) Himmah Rustiami (Taxonomist, Herbarium Bogoriense, Indonesia) Lulut Dwi Sulistyaningsih (Taxonomist, Herbarium Bogoriense, Indonesia) Eka Fatmawati Tihurua (Morphologist, Herbarium Bogoriense, Indonesia) Topik Hidayat (Taxonomist, Indonesia University of Education, Indonesia) Eizi Suzuki (Ecologist, Kagoshima University, Japan) Jun Wen (Taxonomist, Smithsonian Natural History Museum, USA) Barry J. Conn (Taxonomist, School of Life and Environmental Sciences, The University of Sydney, Australia) Graham Eagleton (Wagstaffe, NSW, Australia) Layout Andri Agus Rahman Illustrators Wahyudi Santoso Anne Kusumawaty Correspondence on editorial matters and subscriptions for Reinwardtia should be addressed to: HERBARIUM BOGORIENSE, BOTANY DIVISION, RESEARCH CENTER FOR BIOLOGY– INDONESIAN INSTITUTE OF SCIENCES CIBINONG SCIENCE CENTER, JLN. RAYA JAKARTA – BOGOR KM 46, CIBINONG 16911, P.O. Box 25 CIBINONG INDONESIA PHONE (+62) 21 8765066; Fax (+62) 21 8765062 E-MAIL: reinwardtia@mail.lipi.go.id http://e-journal.biologi.lipi.go.id/index.php/reinwardtia Cover images: Etlingera comosa Ardiyani & Ardi spec. nov. From M. Ardiyani et al. 1004. Photos by Marlina Ardiyani & Wisnu H. Ardi. The Editors would like to thank all reviewers of volume 20(2): Cheng Wei Chen. Keelung, Taiwan. Eve K. Lucas, Royal Botanic Gardens Kew, Richmond, Surrey, United Kingdom. Jana Leong-Skornickova, Singapore Botanic Gardens, Singapore. Michael Sundue, Pringle Herbarium, the University of Vermont, Burlington, USA. Mien A. Rifai, Indonesia Academy of Sciences (AIPI), Jakarta, Indonesia. Ong Poh Teck, Forest Research Insitute Malaysia, Kepong, Malaysia. Timothy Treuer, Gund Institute for Ecological Economics, University of Vermont, USA.