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Solidago guiradonis : ウィキペディア英語版 | Solidago guiradonis
''Solidago guiradonis'' is an uncommon species of goldenrod known by the common name Guirado goldenrod. It is native to the Central California Coast Ranges of central California, in San Benito, San Luis Obispo, and Fresno Counties. There are also reports of isolated populations in the Sierra Nevada in Plumas and Tulare Counties.〔(Calflora taxon report, University of California, ''Solidago guiradonis'' A. Gray, Guirado goldenrod, Guirado's goldenrod )〕 It grows in woodland and grassland habitat in serpentine soils rich in asbestos. ==Description== ''Solidago guiradonis'' is a perennial herb growing from a woody caudex, sometimes reaching heights well over one meter (40 inches). The leaves are up to 20 centimeters (8 inches) long near the base of the plant but shorter farther up. They are linear to lance-shaped and have winged petioles that expand to nearly sheath the stem at the bases. The herbage is mostly hairless.〔(Flora of North America, A. Gray, 1865. Guirado’s goldenrod )〕 The inflorescence is a cluster of sometimes as many as 190 small flower heads in a branching, elongated array. Each flower head contains 10-21 yellow disc florets surrounded by up to 8-10 narrow yellow ray florets each 1 or 2 millimeters long.〔
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「Solidago guiradonis」の詳細全文を読む
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