Supplemental materials of: Ignored biodiversity in acid soil islands in karst areas, South China: Impatiens longlinensis (Balsaminaceae), a new critically endangered species

The karst area in South China is notable for its fragile vegetation and unique flora with many narrow endemics, and is one of the most threatened biodiversity hotspots in the world. However, the biodiversity of acid soil areas scattered in the karst area have previously been underestimated. With a recent increase of new discoveries of plants and animals, the conservation of biodiversity in these acid soil areas has become urgent. This study deals with a new species, Impatiens longlinensis. The new species is similar to I. yui S.H.Huang and I. lasiophyton Hook.f. in having pubescence, two lateral sepals, funnelform lower sepal, and linear capsule. But it can be distinguished by having orbicular to obovate dorsal sepals and oblong to elliptic lower and upper lobes of lateral united petals. Moreover, molecular data and micro-morphological evidence also support that the species is new to science. The new species is only known from a valley near the summit of Mt. Jinzhongshan within an area ...

中国南方喀斯特地区以其脆弱的植被与独特的植物区系闻名，孕育众多狭域特有种，是全球受威胁程度最高的生物多样性热点区域之一。然而，此前学界对喀斯特区域内零散分布的酸性土壤区域的生物多样性研究仍存在低估。随着近年动植物新种发现数量的持续增长，对这些酸性土壤区域开展生物多样性保护已刻不容缓。本研究报道一新种：隆林凤仙花（Impatiens longlinensis）。该新种与I. yui S.H.Huang及I. lasiophyton Hook.f.形态相近，均具有柔毛被覆、2枚侧生萼片、漏斗形下部萼片以及线形蒴果。但该新种可通过以下特征与二者区分：其背萼片呈圆形至倒卵形，侧生合生花瓣的上下裂片为长圆形至椭圆形。此外，分子数据与微观形态学证据同样支持该种为科学界新纪录物种。目前该新种仅知分布于金钟山主峰附近的一处山谷中，其分布区域…