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''Rebutia minuscula'' is a species of cactus from northern Argentina.〔, p. 605〕 It is the type species of the genus ''Rebutia''. The status of the species of ''Rebutia'' is currently uncertain; indeed the genus as defined by Anderson (2001) has been shown to be polyphyletic. Anderson describes ''R. minuscula'' as consisting of globe-shaped stems with a diameter of up to , forming large clusters. The stem has 16–20 ribs with small but distinct tubercles ("bumps"). Each areole produces 25–30 fine whitish spines, long. As in other species of ''Rebutia'', the flowers are not produced at the top of the stem, but from around the base. They are red, up to long.〔 Other sources include species such as ''R. marsoneri'' with yellow to orange flowers in ''R. minuscula'', giving the species a much broader range of flower colour. ''Rebutia minuscula'' K. Sch. Schumann, Karl Moritz; Monatsschr. f. Kakt.-Kunde, 5: 102, 1895 Synonyma: *''Echinopsis minuscula'' (K.Sch.) Web.; Dictionary Hort. Bois, p. 471, 1896 *''Echinocactus minusculus'' (K.Sch.) Web.; in K. Schumann, Gesamtbeschreibung der Kakteen, p. 395, 1898 *''Lobivia minuscula'' (K.Sch.) Kelsey & Dayton; Standard. Pl. Names, p. 73, 1942 ==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「Rebutia minuscula」の詳細全文を読む スポンサード リンク
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