Novitates Gabonenses 55. Manuscript names and drwaings of the French botanist Louis Pierre (1833 - 1905) : a discussion about their validity with some examples of nomenclatural consequences for the Gabonese flora in particular

摘要: The importance of the French botanist Louis PIERRE for Gabon, best known from his Flore forestiere de la Cochinchine, is introduced. New species published by him means distribution drawings E. DELPY are considered effective and valid, but mostly not treated as such. Nomenclatural consequences, ranging change author to generic name, demonstrated a few examples in Euphorbiaceae, Irvingiaceae, Scytopetalaceae