Wild plants in and around Shimane 島根とその周辺の野生植物


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Styrax obassia / Hakuunboku ハクウンボク

Bloom time: May-June

Styracaceae /


Species in the genus Styrax:

Styrax japonica / Egonoki
Styrax obassia / Hakuunboku


Styrax obassia / Hakuunboku ハクウンボク

Styrax obassia is a deciduous small- tree to tree with gray-black barks found in deciduous forests in mountainous regions. Blades, 10-20cm in length, 6-20cm in width, are in the shape of an obovate, with tips pointed short in a tail way, bases broadly cuneate, margins with serrations with tooth-like protrusions on the ends. The backsides have dense stellate hairs and look gray-white, with 1-2cm long petioles. With approximately 20 white flowers, racemes droop down from branch tips; each racemes measures 8-17cm long, and the flowers have short, 7-10mm-long pedicels. Corollas are cut deeply in 5; stamens are 10 in number, Pistils 1 - styles are longer than the stamens. Bloom time: May-June.




inserted by FC2 system