Origin and Habitat: Garden origin. Japan.

• Mammillaria ginsaumae hort.
• Mammillaria cv. Ginsa Maru

• Mammillaria discolor Haw.
• Cactus discolor (Haw.) Kuntze
• Chilita discolor (Haw.) Orcutt
• Neomammillaria discolor Britton & Rose
• Mammillaria ginsaumae hort.
• Mammillaria cv. Ginsa Maru
• Mammillaria ochoterenae (Bravo) Werderm. in Backeb.
• Mammillaria discolor subs. ochoterenae (Bravo) U.Guzmán
• Mammillaria discolor var. ochoterenae (Bravo) Repp.
• Neomammillaria ochoterenae Bravo
• Mammillaria pachyrhiza Backeb.
• Mammillaria schmollii (Bravo) Werderm. in Backeb.
• Mammillaria discolor subs. schmollii (Bravo) Lizen
• Mammillaria discolor var. schmollii (Bravo) Repp.
• Neomammillaria schmollii Bravo

Description: Mammillaria ginsaumaeSN|9091]]SN|9104]] (aka Mammillaria cv. ginsa-maru or cv. ginsamaru), is a Japanese cultivar or a hybrid with Mammillaria discolour as one of (or its only) parent. Mammillaria ginsaumae has quite deep pink blooms while Mammillaria discolorSN|9104]]SN|9091]] typically is pale-flowered, whitish with pink mid-stripes or pale yellow.

Bibliography: Major references and further lectures:
1) Mammillaria ginsaumae in : Bradleya: Yearbook of the British Cactus and Succulent Society, The Society, 1983