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A revision of the imbricate group of Styrax series Cyrta (Styracaceae) in Asia

Publication TypeJournal Article
Year of Publication2003
AuthorsHuang YeLin,; Fritsch, P, W.; Shi SuHua,
Journal TitleAnnals of the Missouri Botanical Garden
Volume90
Pagination491-553
ISBN Number0026-6493
Key Wordsaestivation; corolla; flowers; geographical distribution; keys; lectotypes; taxonomic revisions; taxonomy; Styrax
AbstractSeveral taxonomic treatments of Styrax (Styracaceae) exist in regional floras of Asia, but the Asian species of the genus have not been comprehensively revised since 1907. To help rectify this, we conducted a taxonomic revision of the Asian species of Styrax series Cyrta with imbricate corolla aestivation. Our revision comprises 17 species with a combined distribution from Japan south to Sumatra and west to Nepal. The circumscriptions of the heretofore poorly defined species S. hookeri and S. serrulatus are clarified. Styrax agrestis var. curvirostratus is elevated to the species level, and lectotypes are selected for S. duclouxii , S. floribundus , S. hemsleyanus , S. hookeri , S. hookeri var. yunnanensis , S. hypoglaucus , S. japonicus , S. limprichtii , S. macranthus , S. obassia , S. perkinsiae , S. serrulatus var. latifolius , S. shiraianus , S. supaii , and S. wilsonii . Keys, descriptions, and distribution maps are provided for all species.