ISTA List of Stabilised Plant Names 7th Edition ISTA Nomenclature Committee Chair Dr. M. Schori Published by All rights reserved. No part of this publication may be The International Seed Testing Association (ISTA) reproduced, stored in any retrieval system or transmitted in Richtiarkade 18, CH- 8304 Wallisellen, Switzerland any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without prior ©2021 International Seed Testing Association (ISTA) permission in writing from ISTA. ISBN 978-3-906549-77-4 Valid from: 16.06.2021 ISTA List of Stabilised Plant Names 1st Edition 1966 ISTA Nomenclature Committee Chair: Prof P. A. Linehan 2nd Edition 1983 ISTA Nomenclature Committee Chair: Dr. H. Pirson 3rd Edition 1988 ISTA Nomenclature Committee Chair: Dr. W. A. Brandenburg 4th Edition 2001 ISTA Nomenclature Committee Chair: Dr. J. H. Wiersema 5th Edition 2007 ISTA Nomenclature Committee Chair: Dr. J. H. Wiersema 6th Edition 2013 ISTA Nomenclature Committee Chair: Dr. J. H. Wiersema 7th Edition 2019 ISTA Nomenclature Committee Chair: Dr. M. Schori 7th Edition 2 ISTA List of Stabilised Plant Names Table of Contents A .............................................................................................................................................................. 7 B ............................................................................................................................................................ 21 C ............................................................................................................................................................ 27 D ............................................................................................................................................................ 44 E ............................................................................................................................................................ 49 F ............................................................................................................................................................ 57 G ............................................................................................................................................................ 60 H ............................................................................................................................................................ 64 I ............................................................................................................................................................. 68 J ............................................................................................................................................................. 70 K ............................................................................................................................................................ 71 L ............................................................................................................................................................. 72 M ........................................................................................................................................................... 80 N ............................................................................................................................................................ 88 O ............................................................................................................................................................ 90 P ............................................................................................................................................................ 93 Q .......................................................................................................................................................... 110 R .......................................................................................................................................................... 110 S .......................................................................................................................................................... 113 T .......................................................................................................................................................... 126 U .......................................................................................................................................................... 133 V .......................................................................................................................................................... 134 W ......................................................................................................................................................... 138 X .......................................................................................................................................................... 139 Z .......................................................................................................................................................... 139 7th Edition 3 ISTA List of Stabilised Plant Names Preface The items included in these reports were evaluated individually and voted on by Nomenclature Committee members. From The current ISTA List of Stabilised Plant Names these results, a document containing the represents the 7th edition of this work. ‘Proposed Changes to the ISTA List of Stabilised Previous editions were completed and Plant Names’, approved by Committee published in 1966, 1983, 1988, 2001, 2007 and vote, was submitted to and approved by the 2013. Individual names on the List are to be 32nd ISTA Congress in Hyderabad, India, in stabilised for a period of at least six years. After 2019. a 13-year hiatus following the 1988 edition, numerous changes were made for the 2001 The approved list includes changes to names edition. As a result, the ISTA Nomenclature for 468 entries, or around 14.5% of the 3044 Committee thereafter refrained from entries included in edition 6 of the Stabilised proposing changes to any name, regardless of List. They involve five spelling changes; 46 its initial date of stabilisation, until the 2007 changes to authorship of names; 151 changes edition. With this 2019 edition, we are in family classification; acceptance of 59 names continuing the regular cycle of publication formerly treated as synonyms; 30 changes of established for the last three editions. synonyms to new accepted names; addition of Although only six years have elapsed, many 28 new accepted names and 25 new synonyms; changes or adjustments in nomenclature for and reduction of 96 formerly accepted names the plants treated here have occurred. These to synonymy. Changes (54) that affect the mostly result from recent advancements in International Rules for Seed Testing were made taxonomic classification or from the available to the Rules Committee for nomenclatural actions of an International incorporation into the 2020 edition, to be Botanical Congress, the latter reflected in the published simultaneously with this document. 2018 International Code of Nomenclature for algae, fungi and plants The current edition thus includes 3044 entries, (Shenzhen Code) (ICN) adopted by the 2017 comprising 2388 accepted names and 656 Shenzhen Congress (N.J. Turland et al., Regnum synonyms, and representing 185 different Vegetabile 159, Koeltz Botanical Books, 2018). vascular plant families. For the first time, the approved list includes 16 names that are In preparation for this new edition, several accepted at the rank of subspecies and six at reports containing items for possible change the rank of variety. At the request of attendees from the previous edition were prepared by at the side meeting of the Nomenclature the current Nomenclature Committee Chair Committee in Hyderabad, corresponding codes and the outgoing Chair, by consulting the from the International Union for the Protection taxonomic data of the Germplasm Resources of New Varieties of Plants (UPOV) are also Information Network (GRIN). These reports included. In the Stabilised List two different were made available to Committee members methods are employed in linking synonyms to via e-mail and included the following: their correct names, depending upon the relationship between them. An equals sign (‘=’) • 8 names from ISTA Rules, etc., to be links the two names when either infraspecific added to the Stabilised List; categories (i.e. subspecies or varieties) are not • 151 names in GRIN with family recognised under the accepted binomial or the differences from the Stabilised List; synonymy is to the typical element. For • 5 names with spelling changes example, Phaseolus lathyroides = between GRIN and the Stabilised List; Macroptilium lathyroides (no infraspecific • 46 names with incorrect authors from categories recognised), or Dichanthium the Stabilised List; ischaemum = Bothriochloa ischaemum • 187 nomenclatural or taxonomic (actually B. ischaemum var. ischaemum). changes to the Stabilised List. However, when the synonymy is to an 7th Edition 4 ISTA List of Stabilised Plant Names accepted non-typical element, even when this brief explanation of authorship is provided is only a cultivar, the phrase ‘included in’ here. In a given author citation, the original precedes the accepted name. For example, author’s or authors’ name(s) appear in Brassica campestris included in Brassica rapa parentheses when later author(s) have (as