Anacamptis versus Orchis (Orchidaceae): seed micromorphology and its taxonomic significance

作者:Gamarra Roberto*; Ortunez Emma; Galan Cela Pablo; Guadano Virginia
来源:Plant Systematics and Evolution, 2012, 298(3): 597-607.
DOI:10.1007/s00606-011-0569-1

摘要

Seed micromorphology of 24 taxa of the genera Anacamptis and Orchis was examined under light and scanning electron microscopy. Seed qualitative characters appear very useful at the supraspecific level in the subtribe Orchidinae. Based on our observations, the sculpturing of the periclinal walls of the medial testa cells, the seed shape and several features of the anticlinal walls of the apical cells showed variability between the studied taxa, with special relevance of the first character. According to this factor, we found one type of seed for Anacamptis and two for Orchis. The taxonomic value of seed coat characters is compared with the last taxonomic proposals for the genera Anacamptis and Orchis.

  • 出版日期2012-3