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47. Allenrolfea O. Kuntze
Allenrolfea O. Kuntze, Rev. Gen. 2: 545 (1891)
Succulent, articulate shrubs without distinct leaves. Flowers 3 to 5 in the axil of peltate, scale-like, persistent, spirally arranged, free bracts; perianth 4-5- lobed at the apex, unmodified in fruit; stamens 1-2; stigmas 2(-3). Seeds vertical; embryo hooked; radicle inferior; perisperm abundant. Three spp., N, C and S America.