“Flore Générale de l’Indo-Chine” is a monumental botanical work that meticulously documents the diverse flora of the Indochina region, encompassing present-day Vietnam, Laos, and Cambodia. Initiated in 1907 and culminating in 1950, this extensive compilation spans seven volumes and a supplementary section, reflecting the collaborative efforts of prominent botanists, notably Paul Henri Lecomte, François Gagnepain, and Henri Humbert.

The inception of this ambitious project was driven by the need to systematically catalog and understand the rich plant biodiversity of Indochina, a region characterized by its varied ecosystems ranging from coastal areas to mountainous terrains. Each volume of the “Flore Générale de l’Indo-Chine” is dedicated to specific plant families, providing detailed descriptions, classifications, and illustrations. For instance, Volume 7 focuses on the Eriocaulonaceae and Cyperaceae families, offering in-depth insights into these groups.

The publication process of this work was both extensive and meticulous. The volumes were released over several decades, reflecting the evolving nature of botanical research during that period. The project was published under the direction of Henri Lecomte and Henri Humbert between 1932 and 1934, and subsequently solely under Humbert’s guidance from 1934 onwards. A preliminary volume, serving as an introduction and providing general tables, was published in 1944, while a supplementary volume, containing numerous new species descriptions, was released between 1939 and 1950.

The significance of “Flore Générale de l’Indo-Chine” extends beyond its role as a botanical reference. It serves as a historical record of the region’s plant diversity during the early 20th century, offering insights into species that may have since become rare or extinct. The detailed illustrations and descriptions provide invaluable information for taxonomists, ecologists, and conservationists working to preserve Indochina’s botanical heritage. Furthermore, the work stands as a testament to the dedication and collaboration of scientists during a time when exploration and documentation were fraught with challenges, underscoring the enduring importance of comprehensive scientific endeavors.