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・ Physalis minima
・ Physalis peruviana
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・ Physalis viscosa
・ Physaloptera
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Physaria bellii
・ Physaria chambersii
・ Physaria congesta
・ Physaria didymocarpa
・ Physaria fendleri
・ Physaria filiformis
・ Physaria fremontii
・ Physaria globosa
・ Physaria hemiphysaria
・ Physaria kingii
・ Physaria lepidota
・ Physaria navajoensis
・ Physaria obcordata
・ Physaria pallida
・ Physaria parviflora


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Physaria bellii : ウィキペディア英語版
Physaria bellii

''Physaria bellii'' is a species of flowering plant in the mustard family known by the common names Bell's twinpod and Front Range twinpod. It is endemic to Colorado in the United States.〔(''Physaria bellii''. ) The Nature Conservancy.〕〔(''Physaria bellii''. ) Center for Plant Conservation.〕
This perennial herb produces decumbent or prostrate stems from a caudex. The plant is covered in hairs, making it silvery. The basal leaves are toothed and the leaves along the stems are smooth on the edges. The inflorescence is a raceme of flowers with yellow petals and yellowish sepals. The fruit is a leathery pod reaching nearly a centimeter in length.〔(''Physaria bellii''. ) Flora of North America.〕 Flowering occurs in May and June.〔
This plant grows on the Front Range in Colorado. It grows on the Niobrara, Pierre, Fountain, Ingleside, and Lykins Formations. The soils are limestone, limestone shale, or red sandstone.〔〔 The habitat is shrubland dominated by ''Rhus trilobata'' and ''Cercocarpus montanus''.〔
The plant is rare in general but locally abundant.〔Kothera, L., et al. (2007). (Genetic diversity and structure in the rare Colorado endemic plant ''Physaria bellii'' Mulligan (Brassicaceae). ) ''Conservation Genetics'' 8(5) 1043-50.〕 Potential threats to the species include hybridization with ''Physaria vitulifera'', a more widespread plant,〔Kothera, L., et al. (2007). (Assessing the threat from hybridization to the rare endemic ''Physaria bellii'' Mulligan (Brassicaceae). ) ''Biological Conservation'' 140 110-18.〕 limestone mining, road construction and maintenance, and introduced species of plants. The main threat is residential development.〔
==References==


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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