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2011•Novon A Journal for Botanical NomenclatureOpen access

A New Species ofAstragalus(Leguminosae) from Northwestern Xinjiang, China

Liu Xiao-lin, Yue Xiao-na, Zhaoyang Chang, Xu Langran

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Abstract

Astragalus baerlukensis L. R. Xu, Zhao Y. Chang & Xiao L. Liu, a new species of Leguminosae, is described from northwestern Xinjiang, China. The new species is similar to A. ellipsoideus Ledeb. but differs by its notably long and filiform calyx teeth 6–8(−9) mm, oblong capitate racemes 2.5–3.5 cm long, and linear bracts 8–10 mm long. The latter taxon has shorter, subulate calyx teeth only to 3–4 mm, obovate capitate racemes 3–6 cm, and shorter, subulate-lanceolate bracts 5–6 mm long.

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Astragalus baerlukensis L. R. Xu, Zhao Y. Chang & Xiao L. Liu, a new species of Leguminosae, is described from northwestern Xinjiang, China. The new species is similar to A. ellipsoideus Ledeb. but differs by its notably long and filiform calyx teeth 6–8(−9) mm, oblong capitate racemes 2.5–3.5 cm long, and linear bracts 8–10 mm long. The latter taxon has shorter, subulate calyx teeth only to 3–4 mm, obovate capitate racemes 3–6 cm, and shorter, subulate-lanceolate bracts 5–6 mm long.

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Available abstract

Astragalus baerlukensis L. R. Xu, Zhao Y. Chang & Xiao L. Liu, a new species of Leguminosae, is described from northwestern Xinjiang, China. The new species is similar to A. ellipsoideus Ledeb. but differs by its notably long and filiform calyx teeth 6–8(−9) mm, oblong capitate racemes 2.5–3.5 cm long, and linear bracts 8–10 mm long. The latter taxon has shorter, subulate calyx teeth only to 3–4 mm, obovate capitate racemes 3–6 cm, and shorter, subulate-lanceolate bracts 5–6 mm long.

Key concepts: Raceme, Calyx, Bract, Biology, Astragalus, Botany, Taxon, Stipule

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