Abstract
The surface ofBalanophora tubers consists of a nonepidermal layer made up of two distinctive types of cells, armature cells and stellate wart cells. Both cell types are provided with a heavy wall, and are dead at maturity. Stellate warts in the three species investigated,B. elongata, B. fungosa, andB. hansenii, séem to be uniform in appearance, but armature cells are extremely distinctive for each species. They are present in large, agglomerate masses in the first, singly or in very small clusters in the second, and as completely free, individual, acicular cells in the third species. Such differences are believed to be significant systematically, and the separation ofB. hansenii is thus probably justified. Notwithstanding superficial similarities, stellate warts do not seem to be comparable to the lenticels of other plants.
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Kuijt, J., Dong, WX. The systematic significance of surface features of theBalanophora tuber (Balanophoraceae). Pl Syst Evol 171, 129–134 (1990). https://doi.org/10.1007/BF00940600
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DOI: https://doi.org/10.1007/BF00940600