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Words near each other
・ Cirsium eatonii
・ Cirsium edule
・ Cirsium eriophorum
・ Cirsium erisithales
・ Cirsium flodmanii
・ Cirsium foliosum
・ Cirsium fontinale
・ Cirsium grahamii
・ Cirsium helenioides
・ Cirsium heterophyllum
・ Cirsium hookerianum
・ Cirsium horridulum
・ Cirsium hydrophilum
・ Cirsium kamtschaticum
・ Cirsium lecontei
Cirsium loncholepis
・ Cirsium longistylum
・ Cirsium mexicanum
・ Cirsium mohavense
・ Cirsium muticum
・ Cirsium neomexicanum
・ Cirsium nuttallii
・ Cirsium occidentale
・ Cirsium ochrocentrum
・ Cirsium oleraceum
・ Cirsium ownbeyi
・ Cirsium palustre
・ Cirsium parryi
・ Cirsium peckii
・ Cirsium perplexans


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Cirsium loncholepis : ウィキペディア英語版
Cirsium loncholepis

''Cirsium loncholepis'' is a rare species of thistle known by the common name La Graciosa thistle. It is endemic to California, where it is known from about 15 remaining occurrences in wetlands where southwestern San Luis Obispo County borders northwestern Santa Barbara County.〔(Center for Plant Conservation )〕 It grows in coastal scrub and sand dunes, marshes, and moist grasslands in the watersheds of local rivers, including the Santa Maria River. It is a federally listed endangered species.
This native thistle may exceed a meter in height and sometimes forms a mound with fleshy, ridged stem branches. The leaves are deeply cut into lobes, toothed and wavy along the edges, the lowest leaves approaching 30 centimeters in length. The inflorescence is a tight cluster of flower heads, each up to 3 or 4 centimeters long. The flower head is lined with spiny phyllaries and filled with purple-tinted white flowers with purple anthers. The fruit is a compressed achene a few millimeters long topped with a pappus which may be 2.5 centimeters in length.
The conservation status of this population of thistles may be reevaluated as taxonomy studies suggest they may be members of the more common species ''Cirsium scariosum''.〔(Flora of North America )〕
==References==


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「Cirsium loncholepis」の詳細全文を読む



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