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Erigeron pacayensis : ウィキペディア英語版 | Erigeron pacayensis
''Erigeron pacayensis'' is a Central American species of flowering plant in the daisy family. It has been found only in Guatemala, El Salvador, and Honduras.〔 ''Erigeron pacayensis'' is a perennial subshrub with a woody stem up to 55 cm (22 inches) tall, producing a woody taproot. Leaves are very narrow, almost thread-like, though with a few teeth along the edges. The plant produces flower heads on long, thin stalks. Each head contains 50-120 white ray florets surrounding numerous yellow disc florets.〔(Nesom, G.L. and J.F. Pruski. 2011. Resurrected species of ''Erigeron'' (Asteraceae: Astereae) from Central America. Phytoneuron 2011-36: 1–10. ) includes distribution map on page 9〕〔(Greenman, Jesse More 1907. Publications of the Field Columbian Museum, Botanical Series 2(6): 266 )〕 ==References==
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