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・ Ceanothus ophiochilus
・ Ceanothus otayensis
・ Ceanothus papillosus
・ Ceanothus parryi
・ Ceanothus parvifolius
・ Ceanothus pinetorum
・ Ceanothus prostratus
・ Ceanothus pumilus
・ Ceanothus purpureus
・ Ceanothus roderickii
・ Ceanothus sanguineus
・ Ceanothus sonomensis
・ Ceanothus spinosus
・ Ceanothus thyrsiflorus
・ Ceanothus tomentosus
Ceanothus velutinus
・ Ceanothus verrucosus
・ Ceantar na nOilean
・ Ceanu Mare
・ Ceapa River
・ Ceara Grehan
・ Ceara O'Neill
・ Cearachelys
・ Cearadactylus
・ Cearbhall mac Lochlainn Ó Dálaigh
・ Cearbhall Ó Dálaigh
・ Cearbhall Óg Ó Dálaigh
・ Ceardach
・ Cearense
・ Cearfoss, Maryland


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Ceanothus velutinus : ウィキペディア英語版
Ceanothus velutinus

''Ceanothus velutinus'', with the common names Snowbrush ceanothus, Red root, and Tobacco brush, is a species of shrub in the family Rhamnaceae. It is native to western North America from British Columbia to California to Colorado, where it grows in several habitat types including coniferous forest, chaparral, and various types of woodland.
==Description==

''Ceanothus velutinus'' grows up to 4 meters tall but generally remains under three, and forms colonies of individuals which tangle together to form nearly impenetrable thickets.〔(Forest Service Fire Ecology )〕 The aromatic evergreen leaves are alternately arranged, each up to 8 centimeters long. The leaves are oval in shape with minute glandular teeth along the edges, and shiny green and hairless on the top surface.
The plentiful inflorescences are long clusters of white flowers. The fruit is a three-lobed capsule a few millimeters long which snaps open explosively to expel the three seeds onto the soil, where they may remain in a buried seed bank for well over 200 years before sprouting.〔 The seed is coated in a very hard outer layer that must be scarified, generally by wildfire, before it can germinate.〔 Like most other ceanothus, this species fixes nitrogen via actinomycetes on its roots.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Ceanothus velutinus」の詳細全文を読む



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