Abstract
Subtype PIII sieve-element plastids, anthocyanins, spinulose, perforate-tectate pollen grains and the specific seed-coat sculpturing found in twoMacarthuria species (M. australis, M. neocambrica) consolidate their placement withinMolluginaceae. The unique form of the sieve-element plastids, i.e. with cubic crystals and starch grains (PIIIc″fs), finds its closest counter-part inLimeum. The multiple intertwinement of different genera of theMolluginaceae with many other centrospermous families led to a consideration of their more central position withinCaryophyllales.
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Behnke, H.D., Mabry, T.J., Neumann, P. et al. Ultrastructural, micromorphological and phytochemical evidence for a “Central Position” ofMacarthuria (Molluginaceae) within theCaryophyllales . Pl Syst Evol 143, 151–161 (1983). https://doi.org/10.1007/BF00984117
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DOI: https://doi.org/10.1007/BF00984117