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|subdivision_ranks = Species |subdivision = 28 species }} ''Xanthorrhoea'' (〔) is a genus of about 30 species of flowering plants endemic to Australia and a member of family Xanthorrhoeaceae, being the only member of subfamily Xanthorrhoeoideae.〔(Kew World Checklist of Selected Plant Families )〕 The Xanthorrhoeaceae are monocots, part of order Asparagales.〔Bedford, D. J. (1986). "Xanthorrhoea", in: A. S. George, (Ed) ''Flora of Australia'' 46:148–169. ISBN 0-644-04356-3.〕 ==Names== A reference to its yellow resin,〔 ''Xanthorrhoea'' literally means "yellow flow" in Ancient Greek. Smith named it in 1798, from ' (‘yellow, golden’) and ' (‘flowing, flow’).〔 "Bot. (With capital initial.)"〕 The invalid ''Acoroides'' (‘''Acorus''-like’) was a temporary designation in Solander's manuscript from his voyage with Cook, originally not meant for publication.〔 The best-known common name for the ''Xanthorrhoea'' is blackboy, based on the purported similarity in appearance of the trunked species to an Aboriginal boy holding an upright spear. Some people now consider this name to be offensive, or at least belonging to the past, preferring instead grasstree and – for its resin-yielding species – grass gum-tree.〔 In the South West, the Noongar name balga is used for ''X. preissii''. In South Australia, Xanthorrhoea is commonly known as yakka, also spelled and , a name probably from a South Australian Aboriginal language,〔Peters, Pam, ''The Cambridge Australian English Style Guide'', Cambridge University Press, 1996, p823. ISBN 978-0-521-57634-5〕 mostly likely Kaurna. 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「Xanthorrhoea」の詳細全文を読む スポンサード リンク
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