Abstract
BackgroundAspidistra crassifila Yan Liu & C.-I Peng, a new species of the Asparagaceae from Guangxi Zhuang Autonomous Region, China, is described and illustrated.ResultsThe new species is similar to A. subrotata Y. Wan & C. C. Huang in the perianth lobes triangular-lanceolate and horizontally spreading, but differs by the perianth campanulate, lobes with appendages at base, stamens 6–8 mm long, filaments enlarged, anthers adnate to perianth tube, connectives extended and upcurved. The chromosome number of the new species was determined to be 2n = 38, and the karyotype was formulated as 2n = 22m2SC+4sm+12st.ConclusionA careful study of the literature, herbarium specimens and living plants, both in the wild and in cultivation in the experimental greenhouse, support the recognition of the new species Aspidistra crassifila, which is described herein. Aspidistra crassifila is currently known only from Shiwandashan Mountains, which lie in southern Guangxi. A line drawing, color plates and a distribution map are given for the new species to aid in identification.Electronic supplementary materialThe online version of this article (doi:10.1186/1999-3110-54-43) contains supplementary material, which is available to authorized users.
Highlights
Aspidistra crassifila Yan Liu & C.-I Peng, a new species of the Asparagaceae from Guangxi Zhuang Autonomous Region, China, is described and illustrated
The genus Aspidistra Ker-Gawler (Asparagaceae) was established in 1822 and is comprised of ca. 100 species, more than 60 of which occur in China (Lang et al, 1999; Li, 2004; Tillich, 2005, 2008; Hou et al, 2009; Lin et al, 2009, 2010; Liu et al, 2011)
In March 2005, during a field trip to Shiwandashan Mountains in southern Guangxi Zhuang Autonomous Region, China, the second author (Yan Liu) collected and brought back a sterile plant of Aspidistra for cultivation, which flowered in Guilin Botanical Garden spring
Summary
The new species is similar to A. subrotata Y. C. Huang in the perianth lobes triangular-lanceolate and horizontally spreading, but differs by the perianth campanulate, lobes with appendages at base, stamens 6–8 mm long, filaments enlarged, anthers adnate to perianth tube, connectives extended and upcurved. The chromosome number of the new species was determined to be 2n = 38, and the karyotype was formulated as 2n = 22m2SC+4sm+12st
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