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: ''This article is about the genus. For the town, see: Matucana, Peru'' ''Matucana'' is a genus of cacti (family Cactaceae), containing approximately 20 species of mostly globular plants. The genus is only known from Peru, mostly along the Marañón River. The first species was discovered near the town of Matucana and described as ''Echinocactus haynii'' by Otto in 1849. ''Matucana'' was erected by Britton & Rose in 1922.〔 The genus ''Eomatucana'' F.Ritter has been brought into synonymy with this genus. Some species are endangered due to collection for the specialist market. ==Description== Low, globose or shortly cylindrical bodies, either solitary or clustering. The flowers are subapical, usually more or less zygomorphic, diurnal, in various colours, but mainly red, yellow or pink. However, a few species, notably ''M. oreodoxa'' and ''M. madisoniorum'' have actinomorphic flowers and were placed in a separate genus - ''Eomatucana'' - by F. Ritter. They are reported to flower easily at a young age. 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「Matucana」の詳細全文を読む スポンサード リンク
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