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・ Viburnum odoratissimum
・ Viburnum opulus
・ Viburnum plicatum
・ Viburnum prunifolium
・ Viburnum rafinesqueanum
・ Viburnum rhytidophyllum
・ Viburnum rufidulum
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・ Viburnum sieboldii
・ Viburnum stellato-tomentosum
・ Viburnum subpubescens
・ Viburnum suspensum
・ Viburnum tinus
・ Viburnum tridentatum
Viburnum trilobum
・ Viburnum × burkwoodii
・ Viburnum × carlcephalum
・ Viburnum × jackii
・ Viburnum, Missouri
・ Viby
・ Viby Church
・ Viby Gymnasium
・ Viby J
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・ Viby, Roskilde Municipality
・ Vibygård
・ Vibyholm Castle
・ VIC
・ Vic


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Viburnum trilobum : ウィキペディア英語版
Viburnum trilobum

''Viburnum trilobum'' (American cranberrybush viburnum, American cranberrybush, kalyna or highbush or high bush cranberry) is a species of ''Viburnum'' native to northern North America, from Newfoundland west to British Columbia, south to Washington state and east to northern Virginia.〔(【引用サイトリンク】 "USDA Plants Profile: ''Viburnum opulus'' var. ''americanum''" )〕〔(James E. Nellessen (2006) "''Viburnum opulus'' L. var. ''americanum'' (Mill.) Ait. (American cranberrybush): A Technical Conservation Assessment" USDA Forest Service, Rocky Mountain Region, Species Conservation Project. )〕 It is very closely related to the European and Asian ''Viburnum opulus'', and is often treated as a variety of it, as ''Viburnum opulus'' L. var. ''americanum'' Ait., or as a subspecies, ''Viburnum opulus'' subsp. ''trilobum'' (Marshall) Clausen.
==Description==
It is a deciduous shrub growing to 4 m tall. The bark is gray and rough and has a scaly texture. The stems arch and are very dense, and the twigs are a reddish-brown color. The leaves are opposite, three-lobed, 6-12 cm long and 5-10 cm broad, with a rounded base and serrated margins; they are superficially similar to many maple leaves, most easily distinguished by their somewhat wrinkled surface with impressed leaf venation. The leaf buds are green. The bud scales are valvate. The flowers are white, produced in corymbs up to 13 cm diameter at the top of the stems; each corymb comprises a ring of outer sterile flowers 2-2.5 cm diameter with conspicuous petals, surrounding a center of small (5 mm), fertile flowers; the flowers are pollinated by insects. The fruit is an oblong red drupe 15 mm long and 12 mm broad, containing a single flat, white seed. Plants begin to produce fruit at approximately five years of age; when animals, including birds, eat the fruits, they deposit the seeds in another location in their droppings.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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