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・ Piperacetazine
・ Piperacillin
・ Piperacillin/tazobactam
・ Piperade
・ Piperales
・ Piperaquine
・ Piperazine
・ Piperberget
・ Piperci
・ PipeRench
・ Piperheugh
・ Piperhill
・ Piperi
・ Piperi (Greece)
・ Piperi (tribe)
Piperia
・ Piperia candida
・ Piperia colemanii
・ Piperia cooperi
・ Piperia elegans
・ Piperia elongata
・ Piperia leptopetala
・ Piperia michaelii
・ Piperia transversa
・ Piperia unalascensis
・ Piperia yadonii
・ Piperic acid
・ Piperidine
・ Piperidine N-piperoyltransferase
・ Piperidinedione


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Piperia : ウィキペディア英語版
Piperia

''Piperia'' is a genus of the orchid family Orchidaceae. These plants are known as rein orchids. They are native to western North America, especially California and the Pacific Northwest. This genus has the following characteristics: (a) a bisexual perennial nongreen plant that grows from buried tubers; fruit capsule bearing numerous minute seeds; (c) pollen that is sticky, and which is removed as sessile anther sacs; and (d) stigma fused with its style into a column. There are a total of ten species in the genus ''Piperia'', which is named for American botanist Charles V. Piper. The genus members manifest generally cylindrical spikes or racemes.
The subsurface architecture of these terrestrial wild orchids consists of a rhizome structure, from which emanate tubers. The rhizome extracts nutrients from fungal intermediates and may also store some of these nutrients. A basal rosette of leaves develops from the tuber at the surface of the soil, each of the two or three leaves being lanceolate in shape.〔Morgan & Ackerman, Lindleyana 5:205–211 (1990)〕 Each leaf ranges from 10 to 15 centimeters in length and 20 to 35 millimeters in width. Leaves of younger plants are often more diminutive in size.
''Piperia yadonii'' exhibits a single veined flower one to two millimeters in width and a basal rosette leaf formation.
Selected species:
*''Piperia candida'' - whiteflower rein orchid
*''Piperia colemanii'' - Coleman's rein orchid
*''Piperia cooperi'' - Cooper's rein orchid
*''Piperia elegans'' - elegant rein orchid
*''Piperia elongata'' - denseflower rein orchid
*''Piperia leptopetala'' - narrow-petal rein orchid
*''Piperia michaelii'' - Michael's piperia
*''Piperia transversa'' - royal rein orchid
*''Piperia unalascensis'' - slenderspire rein orchid
*''Piperia yadonii'' - Yadon's piperia
==See also==

*Symbiosis

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「Piperia」の詳細全文を読む



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