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Agnorhiza ovata
''Agnorhiza ovata'' (syn. ''Wyethia ovata'') is a species of flowering plant known by the common name southern mule's ears. It is native to the mountains and foothills of southern California and Baja California, occurring the Coast Ranges and Sierra Nevada foothills in Tulare, Kern, Ventura, Los Angeles, Orange, Riverside, and San Diego counties in California, with additional populations in the Peninsular Ranges south of the international border.〔(Biota of North America Program, 2014 county distribution map, ''Agnorhiza ovata'' )〕〔(Calflora taxon report, ''Wyethia ovata'' Torrey & A. Gray southern mule ears, southern wyethia )〕〔(Tropicos, specimen listing for ''Wyethia ovata'' Torr. & A. Gray )〕
''Agnorhiza ovata'' grows in many types of habitat, including forests, woodlands, and grassland. It is a perennial herb growing from a thick taproot and caudex unit. The hairy, glandular, sticky-textured stem grows a few centimeters tall to nearly half a meter in maximum height. The leaves have oval blades up to 20 centimeters long which are generally hairy or silky and glandular. The inflorescence is made up of one or more flower heads which may be tucked amongst the uppermost leaves. The head has lance-shaped leaflike phyllaries which may be up to 5 centimeters long. There are 5 to 8 yellow ray florets which measure about 1.5 centimeters in length, and many yellow disc florets in the center. The fruit is an achene about a centimeter long tipped with a short pappus.〔(Flora of North America, ''Agnorhiza ovata'' )〕〔(Jepson Manual Treatment )〕
==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「Agnorhiza ovata」の詳細全文を読む
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