圆盘玉属(学名:Discocactus),又名孔雀花属,是热带的一属仙人掌。其学名来自古希腊文的“圆盘”的意思,因其形状像圆盘。它们是巴西南部、玻利维亚东部及巴拉圭北部的特有种。它们现正面临野外灭绝。
圆盘玉属呈扁球状,刺座上有尖刺。顶花座有毛,呈白色、黄色或灰色。顶花座两侧会长出白色的花朵,于夜间开花。果实是粉红色或红色,种子黑色。
物种
- 月华之宴(D. albispinus)
- 白条冠(D. arauneispinus)
- 巴伊亚圆盘玉(D. bahiensis)
- D. catingicola
- D. ferricola
- 天涯玉(D. heptacanthus)
- 奇特丸/玉杯之华(D. horstii)
- D. placentiformis
- D. pseudoinsignis
- D. silicicola
- 黑刺圆盘(D. tricornis var. giganteus)
- D. woutersianus
- 蜘蛛丸(D. zehntneri)
参考
- Edward F. Anderson : The Cactus Family. Timber Press: Portland (Oregon), 2001, p. 218-221 ISBN 0-88192-498-9
- N. L. Britton, J. N. Rose: The Cactaceae. Descriptions and Illustrations of Plants of the Cactus Family. Washington, 1920
- 多肉植物 仙人掌图鉴800。仙人掌咨询室 羽兼直行
外部链接
- (法文) photos on www.AIAPS.org
- (英文) photos on www.cactiguide.com (页面存档备份,存于互联网档案馆)
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