Haworthia bruynsii M.B. Bayer
俗名：硬叶寿
说明：硬叶寿是自玉扇(H.truncata)发现以来最为奇特的一个硬叶品种，该新种是M.B.Bayer于1981年命名的，学名是该种的发现采集者Dr. P.V.Bruyn,产地位于南非的东开普省地区，靠近史扑鹰爪的发现地Springbokvlakta附近。它有着和寿类(retusa type)一样的形态，起先人们认为发现了一种新的寿类植物，后来从它开花后发现，其实是一种硬叶品种。这种植物生长非常缓慢，而且体型很小，一般成年株只保持在5-10片叶子。栽培上需要注意夏季的通风，目前还没有发现它会自然孳生侧芽，繁殖主要靠播种。
Sources: SE. Klienpoort, E of springbokvlakta, Eastern Cape(South Africa), ex GM258
Data: (KA0450) The plant looks like a much small H.retusa, but belongs to the subgenus Hexangulares, because of the florets, i.e. six-sided at the base. Retused end-area leaves have raised tubercles and usually few short lines in surface. plants are almost always solitary, and in the wild they are mostly sunken into the ground. In cultivation it belongs to more difficult and slow-growing species. flowering in the summer, propagation by seeds.
2005年6月22日照片如下：
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