INSTRUCTION TO AUTHORS Scope. R einwardtia is a scientific r egular jour nal on plant taxonomy, plant ecology and ethnobotany published in June and December. Manuscript intended for a publication should be written in English. Titles. Titles should be br ief, infor mative and followed by author ’s name and mailing address in one- paragraphed. Abstract. English abstr act followed by Indonesian abstr act of not mor e than 250 wor ds. Keywor ds should be given below each abstract. Manuscript. Manuscr ipt is or iginal paper and r epr esent an ar ticle which has not been published in any other journal or proceedings. The manuscript of no more than 36 pages by using Times New Roman 11, MS Word for Windows of A4 with double spacing, submitted to the editor through . New paragraph should be indented in by 5 characters. For the style of presentation, authors should follow the latest issue of Reinwardtia very closely. Author(s) should send the preferred running title of the article submitted. Every manuscript will be sent to two blind reviewers. Identification key. Taxonomic identification key should be pr epar ed using the aligned couplet type. Nomenclature. Str ict adher ence to the Inter national Code of Nomenclatur e is obser ved, so that taxonomic and nomenclatural novelties should be clearly shown. English description for new taxon proposed should be provided and the herbaria where the type specimens area deposited should be presented. Name of taxon in taxonomic treatment should be presented in the long form that is name of taxon, author’s name, year of publication, abbreviated journal or book title, volume, number and page. Map/line drawing illustration/photograph. Map, line dr awing illustr ation, or photogr aph pr efer ably should be prepared in landscape presentation to occupy two columns. Illustration must be submitted as original art accompanying, but separated from the manuscript. The illustration should be saved in JPG or GIF format at least 350 pixels. Legends or illustration must be submitted separately at the end of the manuscript. References. Bibliogr aphy, list of liter atur e cited or r efer ences follow the Har var d system as the following examples. Journal : KRAENZLIN, F. 1913. Cyrtandraceae novae Philippinenses I. Philippine Journal of Science 8: 163– 179. MAYER, V., MOLLER, M., PERRET, M. & WEBER, A. 2003. Phylogenetic position and generic differentiation of Epithemateae (Gesneriaceae) inferred from plastid DNA sequence data. American Journal of Botany 90: 321–329. Proceedings : TEMU, S. T. 1995. Peranan tumbuhan dan ternak dalam upacara adat “Djoka Dju” pada suku Lio, Ende, Flores, Nusa Tenggara Timur. In: NASUTION, E. (Ed.). Prosiding Seminar dan Lokakarya Nasional Etnobotani II. LIPI & Perpustakaan Nasional. Pp. 263–268. (In Indonesian). SIMBOLON, H. & MIRMANTO, E. 2000. Checklist of plant species in the peat swamp forests of Central Kalimantan, Indonesia. In: IWAKUMA, T., INOUE, T., KOHYAMA, T., OSAKI, M., SIMBOLON, H., TACHIBANA, H., TAKAHASHI, H., TANAKA, N. & YABE, K. (Eds.). Proceedings of the International Symposium on: Tropical Peatlands. Pp. 179 ‒ 190. Book : RIDLEY, H. N. 1923. Flora of the Malay Peninsula 2. L. Reeve & Co. Ltd, London. Part of Book : BENTHAM, G. 1876. Gesneriaceae. In: BENTHAM, G. & HOOKER, J. D. (Eds.). Genera Plantarum 2. Lovell Reeve & Co., London. Pp. 990–1025. Thesis : BAIRD, L. 2002. A Grammar of Kéo: A n A ustronesian Language of East Nusantara. Australian National University, Canberra. [PhD. Thesis]. Website : http://www.nationaalherbarium.nl/fmcollectors/k/KostermansAJGH.html. (Accessed 15 February 2012). http://www.nationaalherbarium.nl/fmcollectors/k/KostermansAJGH.htm REINWARDTIA Author Agreement Form Title of article : Name of Author(s) : I/We hereby declare that:  My/Our manuscript was based on my/our original work.  It was not published or submitted to other journal for publication.  I/we agree to publish my/our manuscript and the copyright of this article is owned by Reinwardtia.  We have obtained written permission from copyright owners for any excerpts from copyrighted works that are included and have credited the sources in our article. Author signature (s) Date ___________________________________________________________________________________________ Name Reinwardtia Published by Herbarium Bogoriense, National Research and Innovation Agency (BRIN) Address: Jln. Raya Jakarta-Bogor Km. 46 Cibinong 16911, P.O. Box 25 Cibinong, Bogor Email: reinwardtia@mail.lipi.go.id ERRATA Scope. R einwardtia is a scientific r egular jour nal on plant taxonomy, plant ecology and ethnobotany published in June and December. Manuscript intended for a publication should be written in English. Titles. Titles should be br ief, infor mative and followed by author ’s name and mailing address in one- paragraphed. Abstract. English abstr act followed by Indonesian abstr act of not mor e than 250 wor ds. Keywor ds should be given below each abstract. Manuscript. Manuscr ipt is or iginal paper and r epr esent an ar ticle which has not been published in any other journal or proceedings. The manuscript of no more than 36 pages by using Times New Roman 11, MS Word for Windows of A4 with double spacing, submitted to the editor through . New paragraph should be indented in by 5 characters. For the style of presentation, authors should follow the latest issue of Reinwardtia very closely. Author(s) should send the preferred running title of the article submitted. Every manuscript will be sent to two blind reviewers. Identification key. Taxonomic identification key should be pr epar ed using the aligned couplet type. REINWARDTIA Vol. 21. No. 1. 2022 CONTENTS YULIZAH, JOENI SETIJO RAHAJOE, AGUSDIN DHARMA FEFIRENTA & AGUNG ADI NUGROHO. The population and distribution of agarwood producing tree (A quilaria malaccensis) in Riau Province ........................................................…………………………………………………………………...……....... 1 RIDHA MAHYUNI, TATIK CHIKMAWATI, NUNIK SRI ARIYANTI & ANNE KUSUMAWATY. A new variety of Canthiumera glabra (Rubiaceae: Vanguerieae) ……………………………………………………………………... 13 HERNAWATI, ROBI SATRIA & CH’IEN C. LEE. Nepenthes harauensis, a new species of Nepenthaceae from West Sumatra ……………………………….……………………………………………………………………...…………. 19 AGUNG SEDAYU, RAHADIAN AJENG SARASWATI & YULI PUJI ASTUTI. Light preferences in two landscape managements and ontogenic light requirements of terrestrial ferns in Kebun Raya Baturraden, Central Java …………………………………….……………………………………………………………………………......….... 25 MENTARI PUTRI PRATAMI, TATIK CHIKMAWATI & RUGAYAH. A new species of Mukia (Cucurbitaceae) from Sumba Island, Indonesia ..………………………………………………………………………………….……... 35 Reinwardtia is an accredited Journal (158/E/KPT/2021) http://e-journal.biologi.lipi.go.id/index.php/reinwardtia Herbarium Bogoriense National Research and Innovation Agency, Cibinong Science Center Jln. Raya Jakarta − Bogor, Km 46 Cibinong 16911, P.O. Box 25 Cibinong, Bogor Indonesia