Differences between Stigmatodactylus and the other two sections of Astrophytum

Astrophytum caput-medusae

Differences between Stigmatodactylus and the other two sections (Austrastrophytum, Septentriastrophytum) of Astrophytum

The body is characterized by a fleshy beet root, a lack of surface central-shoot and long, finger-like warts with a two-divided-areole. The flakes are connected parallel to shell-like hairs with a light brown center. The flower opens later in the afternoon. There occur multible flowers from one areole. The fruits open lateral. crossbreedings with other Astrophytums has only led to chlorophyll-damaged hybrids (Lüthy, J., Dicht, R. 2007 p. 151).

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A. caput-medusae