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The plant ''Tolmiea menziesii'' ()〔''Sunset Western Garden Book,'' 1995:606–607〕 is a member of the genus ''Tolmiea''. It is known by the common names piggyback plant, youth on age, thousand mothers, and pick-a-back-plant. It is perennial plant native to the West Coast of North America and occurs from California north through British Columbia to Alaska. ==Description== ''Tolmiea menziesii'' has hairy, five to seven-lobed, toothed leaves and a capsule fruit containing spiny seeds It bears many small flowers in a loose raceme. Each flower consists of a tubular purple-green to brown-green calyx and four linear or subulate (awl-shaped) red-brown petals, about twice the length of the sepals. It has unusual reproductive habits. It grows plantlets from the petiole near the base of each leaf. The plantlets drop off, fall in the soil, and take root there.〔Yarbrough, J. A. (1936). The foliar embryos of ''Tolmiea menziesii''. ''American Journal of Botany'' 23(1) 16-20.〕 It will also reproduce by rhizomes and by seeds. 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「Tolmiea menziesii」の詳細全文を読む スポンサード リンク
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