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帝冠缀化Obergonia denegreii f. crisi,是仙人掌科帝冠属帝冠的畸形变异种。是帝冠植株的顶端生长锥(生长点或芽点)不断分生,且横向发展,由原先的圆球形逐渐长成扇形或山峦状的畸形植株,这种变异又称带化或冠状变异(见图)。
Emperor crowned Obergonia denegreii f. Crisi, is the cactus Corvus crown crown deformity variant. Is the top of the crown plant growth cone (growth point or bud) continue to branch, and horizontal development, from the original spherical gradually fan-shaped or mountain-like deformed plants, this mutation, also known as banding or coronal variation See figure).