组织沿革
国际天竺葵科小组(International Geraniaceae Group,简称 IGG)是一个面向全世界的天竺葵科植物爱好者组织,目前由英国管理,1981 年开始发行通讯,最初是为数不多的天竺葵科玩家之间的交流平台。2017 年 11 月 4 日,委员会通过决议把组织名称从原来的「The Geraniaceae Group」改为现名,以反映日益增多的国际会员。组织现注册为英国法律下的非营利非法人社团(unincorporated association)。
宗旨与活动
IGG 把整个天竺葵科都纳入研究范围,涵盖天竺葵属(Geranium)、牻牛儿苗属(Erodium)、天竺葵属(Pelargonium)、龙骨葵属(Monsonia)和龙骨葵属(Sarcocaulon)等几个属,以及它们之间的原生杂交种。日常活动以会员之间的聚会互访、Facebook 群组交流、网站论坛讨论为主,同时鼓励会员撰文投稿给通讯和网站,题材包括野外观察、栽培笔记、生境记录、杂交育种等等。
期刊与种子交换
《IGG Newsletter》是会员之间交换信息的核心刊物,每季一期,到 2026 年夏天已发行到 181 号。2019 年春季起改为完全线上发布,不再印刷邮寄。每年一度的「Seed Exchange」种子交换由种子交换经理负责,2026 年收种截止日为 9 月 30 日,IGG 现有约 1000 份由四位保育员共同维护的参考收藏(IGG Reference Collection),稀有物种因此能在栽培中延续下来。
会员与组织
会员费为每年 12 英镑,不分国别统一收费,可通过 PayPal 支付,具体收款地址列在 IGG 网站的 Join us 页面。会员可获 4 期季度通讯、当年种子交换清单、IGG Digital Library(数字图书馆,含已扫描的旧书、学位论文以及 IGG 出版物种清单等)、历史通讯档案(自 1981 年起的往期刊物)、网站论坛的会员专区和品种登录相关资源。管理层由主席、会员秘书、种子交换经理和品种登录员四位委员组成。
植物资源平台
IGG 下设「International Cultivar Registrar for Geranium and Erodium」,负责按国际栽培植物命名法规(ICNCP)登记天竺葵属和牻牛儿苗属的栽培品种(俗称 cultivar),登记完全免费。网站的「Gallery」板块按属、按字母顺序展示成员拍摄的物种与杂交种照片(共享采用 CC BY-NC-SA 4.0 协议),涵盖 Pelargonium、Geranium、Erodium、Monsonia、Sarcocaulon 几个属数百个物种。除英文资料外,网站「Links」部分还收录了德、荷、俄、捷、法等语言的同好网站。
About the Group
The International Geraniaceae Group (IGG) is a worldwide organisation for enthusiasts of plants in the family Geraniaceae, currently administered from the United Kingdom. It began publishing its newsletter in 1981 as a small exchange platform for Geraniaceae hobbyists. At a Committee meeting on 4 November 2017, members voted to rename the Group to the International Geraniaceae Group to reflect the growing number of international members. The Group is registered as a not-for-profit unincorporated association under UK law.
Aims and Activities
IGG covers the entire family Geraniaceae, including the genera Geranium, Erodium, Pelargonium, Monsonia and Sarcocaulon, together with their primary inter-species hybrids. Activities centre on meetings and visits among members, the IGG Facebook Group, the website forum, and members’ contributions to the newsletter and the website, with topics ranging from wild habitat observations and cultivation notes to breeding experiments.
Newsletter and Seed Exchange
The IGG Newsletter is the main vehicle for members to exchange information. It appears quarterly, with issue 181 (Summer 2026) being the most recent, and has been online-only since Spring 2019. The annual Seed Exchange is coordinated by the Seed Exchange Manager; seeds for the 2026 list are due by 30 September. The IGG Reference Collection, jointly maintained by four curators, holds around 1000 well-documented collection items, ensuring rare species remain in cultivation.
Membership and Committee
Membership costs £12 per calendar year, regardless of country, and is payable through PayPal using the address listed on the website Join us page. Members receive four quarterly newsletters, access to the annual Seed Exchange list, the IGG Digital Library (digitised books, theses and IGG species check-lists), the archive of past newsletters dating back to 1981, the members-only forum, and cultivar registration resources. The Committee consists of four members: a Chairman, a Membership Secretary, a Seed Exchange Manager, and a Cultivar Registrar.
Plant Resources
IGG hosts the International Cultivar Registrar for Geranium and Erodium, who registers cultivar names for those two genera under the International Code of Nomenclature for Cultivated Plants (ICNCP); registration is free of charge. The website Gallery displays members’ photographs of species and hybrids across the five genera (CC BY-NC-SA 4.0). The Links section also lists sister sites in German, Dutch, Russian, Czech and French, plus several national Pelargonium and Geranium societies in Europe and the United States.
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