Novitates neocaledonicae XI: A new endemic species of Garcinia L. (Clusiaceae), with an emended description of G. virgata Vieill. ex Guillaumin

IF 0.7 4区生物学 Q4 PLANT SCIENCES

Adansonia Pub Date : 2021-03-22 DOI:10.5252/adansonia2021v43a6

J. Munzinger, David Bruy, M. Pignal

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引用次数: 0

Abstract

ABSTRACT A new species, Garcinia urceolata Munzinger, Bruy & M. Pignal, sp. nov. (Clusiaceae), is described from New Caledonia. It is restricted to North Province, from the Tchamba valley in the south to Mandjélia in the north of the main island of Grande-Terre, occurring in dense humid rainforests on non-ultramafic substrate. Material of this small tree species was first collected more than fifty years ago but was confused with G. virgata Vieill. ex Guillaumin as both taxa have small leaves. Garcinia urceolata, sp. nov. differs from G. virgata in a number of features of the leaves, flowers and fruits. Garcinia urceolata, sp. nov. also grows at higher elevation and in wetter conditions than G. virgata. Both species are purported to have dehiscent fruit, along with other New Caledonian members of the genus, a distinctive character that was used to justify the description of the genus Septogarcinia Kosterm., which is no longer regarded as distinct from Garcinia L. Line drawings and colour photos are provided for both the new species and for G. virgata for comparison, along with a preliminary risk of extinction assessment for each of them, which indicates that G. urceolata, sp. nov. is Vulnerable (VU) while G. virgata is Near Threatened (NT).

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摘要/ ABSTRACT摘要:报道新喀里多尼亚一新种Garcinia urceolata Munzinger, Bruy & M. Pignal, sp. nov.(藤壶科)。它局限于北部省，从南部的Tchamba山谷到Grande-Terre主岛北部的mandjacimlia，发生在非超基性基底上的茂密潮湿雨林中。这种小树种的材料是在50多年前首次收集到的，但被与维加塔混淆了。前Guillaumin作为两个分类群都有小叶。黄藤黄在叶子、花和果实的许多特征上与黄藤黄不同。黄藤黄，十一月也生长在更高的海拔和湿润的条件下比黄藤黄。这两个物种据称都有开裂的果实，以及该属的其他新喀里多尼亚成员，这一独特的特征被用来证明Septogarcinia Kosterm属的描述是正确的。本文提供了新种和藤黄的线条图和彩色照片进行比较，并对它们进行了初步的灭绝风险评估，表明藤黄属于易危物种(VU)，而藤黄属于近危物种(NT)。

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来源期刊

Adansonia 生物-植物科学

CiteScore

1.30

自引率

12.50%

发文量

审稿时长

>12 weeks

期刊介绍： Adansonia is a fast-track and peer-reviewed journal of plant biology, devoted to the inventory, analysis and interpretation of vascular plants biodiversity. It publishes original results, in French or English, of botanical research, particularly in systematics and related fields: morphology, anatomy, biology, ecology, phylogeny, biogeography, etc. All articles published in Adansonia are compliant with the different nomenclatural codes. A copyright assignment will be signed by the authors before publication.