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Mammillaria grusonii : ウィキペディア英語版 | Mammillaria grusonii
''Mammillaria grusonii'' is a cactus in the genus ''Mammillaria'' belonging to the family Cactaceae. The epithet ''grusonii'' honors the inventor, scientist, industrialist and cacti collector Hermann Gruson of Magdeburg. ==Description== ''Mammillaria grusonii'' usually grows singly. This cactus is spherical to thick cylindrical, bright green, with a diameter of about . The tubercles are four-angled and contain latex. The axillae are initially woolly, later naked. The spines are straight, reddish and becomes white with age. The two central spines are 0.4 to 0.6 centimeters long, while the 12 to 14 radial spines are 0.6 to 0.8 centimeters long. The pale yellow, bell-shaped flowers are up to 2.5 centimeters long and have an equal diameter. The fruits are bright scarlet and contain brown 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「Mammillaria grusonii」の詳細全文を読む
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