Aspidistra viridiflora (Asparagaceae, Nolinoideae), a new species from Vietnamстатья
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Дата последнего поиска статьи во внешних источниках: 21 августа 2017 г.
Аннотация:One following the news of systematics of the genus Aspidistra Ker Gawler (1822: 628) should notice that the year 2016 brought us at least 16 new taxa, including 15 new species and one subspecies (Averyanov & Tillich 2016, Averyanov et al. 2016, Liang et al. 2016, Liu et al. 2016, Ly & Tillich 2016, Pan et al. 2016, Tanaka 2016, Vislobokov 2016, Vislobokov et al. 2016a, 2016b, Zhou et al. 2016). Indeed, Aspidistra is a large and rapidly growing genus which comprises about 160 species, including more than 60 of them known in Vietnam (e.g., Tillich 2005, 2008, 2014, Averyanov & Tillich 2015, 2017, Colin 2015, Vislobokov 2015, 2016, Averyanov et al. 2016, Vislobokov et al. 2016a, 2016b). The high number of Aspidistra species shows extremely high diversity of flower morphology. Despite this diversity, it was proposed that species of Aspidistra are usually pollinated by dipteran insects (Vislobokov 2017, Vislobokov et al. 2013, 2014a). Whereas floral features are important for species identification in this genus, vegetative features are generally believed not to be so significant (Tillich 2005, 2008). Nevertheless, shoot morphology was found to be useful for taxonomy of some groups within Aspidistra (De Wilde & Vogel 2005, Averyanov & Tillich 2014, Vislobokov et al. 2014b). Until present time the precise details of shoot structure were examined for A. xuansonensis Vislobokov in Vislobokov et al. (2014b: 227) only. In the present paper, we formally describe a new to the science species of Aspidistra and provide an analysis of its shoot system. A number of recently described species of Aspidistra were originally collected in the wild as sterile plants and recognized as undescribed taxa later, when they started to flower in the greenhouses (e.g., Tillich 2005, Tillich & Leong-Škorničková 2013, Vislobokov 2016). The present study provides a description and illustration of the new Aspidistra species discovered in similar way.