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title: The identity of Polyalthia florulenta (Annonaceae)a second species of Wangia in China
Issued Date: 2016
Abstract: The taxonomic placement of Polyalthia florulenta C.Y.Wu ex P.T.Li has not been clarified. Phylogenetic analyses of eight chloroplast regions (matKndhFndhF-rpl32psbA-trnHrbcLrpl32-trnLtrnL-F and ycf1; ca. 9.2 kb, 66 taxa) unambiguously placed Polyalthia florulenta in a subclade of tribe Miliuseae, sister to Wangia saccopetaloides. Polyalthia flourulenta shares several diagnostic characters with Wangia saccopetaloides, including leaf-opposed inflorescences, sepaloid outer petals and saccate inner petals with basal glandular tissue. It differs fromWangia saccopetaloides in having membranous leaf laminas, single-flowered inflorescences, subglobose single-seeded monocarps, and spiniform endosperm rumination. On the basis of the combined molecular phylogenetic and morphological data, we propose a new combination, Wangiaflorulenta (C.Y.Wu ex P.T.Li) B.Xue. As the protologue description was based on material lacking mature flowers, we provide a detailed description of flower morphology. A key to species in the genus Wangia is also provided.
Source: Phytotaxa
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Recommended Citation:
BINE XUE,YUN-HONG TAN,XING-ER YE. The Identity Of Polyalthia Florulenta (annonaceae)a Second Species Of Wangia In China[J]. Phytotaxa,2016,283(2).

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