Bitterwood Tree
Picrasma
A genus of deciduous trees and shrubs known for their extremely bitter bark and medicinal …
Shiuyinghua silvestrii is a rare deciduous tree native to the mountainous forests of central China, distinguished by opposite broad leaves and showy, tubular-campanulate blossoms. Its specific epithet silvestrii honors the Italian missionary and naturalist Cipriano Silvestri, who collected the original botanical specimens in Hubei province in the early twentieth century.
Placed in the princess-tree family (Paulowniaceae), the taxon was first described in 1911 by Renato Pampanini and Gustave Henri Bonati as Paulownia silvestrii, and in 1962 Jiří Paclt established the monotypic genus Shiuyinghua—named in tribute to the renowned Chinese botanist Hu Shiu-ying—to accommodate this single distinct species.
As a woody deciduous tree of temperate and subtropical montane woodlands, Shiuyinghua silvestrii shares the architectural habit of its close relatives in Paulownia while exhibiting distinct floral and fruit traits that justified its separation into a monotypic genus.
Following fertilization, the ovary matures into a woody loculicidal capsule—a dry fruit pod that splits lengthwise along its chamber walls—releasing numerous tiny, lightweight seeds bordered by delicate membranous wings.
The taxonomic history and reproductive mechanics of Shiuyinghua silvestrii bridge East Asian field botany and the specialized wind-and-insect engineering of the family Paulowniaceae.
Few plants carry the names of two dedicated researchers of Chinese flora in a single binomial. While the species epithet preserves the memory of Father Cipriano Silvestri's early twentieth-century expeditions through the rugged hills of Hubei, Czech botanist Jiří Paclt coined the genus name Shiuyinghua in 1962 in the Journal of the Arnold Arboretum to honor Dr. Hu Shiu-ying for her lifelong work cataloging China's plant diversity.
Picrasma
A genus of deciduous trees and shrubs known for their extremely bitter bark and medicinal …
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Araucaria sect. Araucaria
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Araucaria
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