Revision of the genus Benthamia A. Rich. (Orchidaceae, Orchidioideae, Habenariinae) Author Hervouet, Jean-Michel Fédération France Orchidées (FFO) and Muséum national d’Histoire naturelle, Direction générale déléguée aux collections, Herbier national, case postale 39, 57 rue Cuvier 75005 Paris (France) jmhervouet @ free. fr jmhervouet@free.fr Author Descourvières, Pascal France Orchidées (FFO), 27 rue Auguste Blanqui, 94400 Vitry-sur-Seine (France) descourvieres. pascal @ neuf. fr descourvieres.pascal@neuf.fr Author Hermans, Johan , Royal Botanic Gardens, Kew, Richmond, Surrey, TW 9 3 AE (United Kingdom) and Core Facility, Botanical Garden, University of Vienna, Rennweg 14, 1030, Vienna (Austria) j. hermans @ kew. org j.hermans@kew.org Author Longou, Ludivine Atelier d'iconographie scientifique, UAR 2047 DoHNÉE, MNHN / CNRS, Muséum national d’histoire naturelle, 57 rue Cuvier, 75005 Paris (France) ludivine. longou @ mnhn. fr ludivine.longou@mnhn.fr text Adansonia 2025 3 2025-07-21 47 11 171 249 https://sciencepress.mnhn.fr/sites/default/files/articles/pdf/adansonia2025v47a11.pdf journal article 313251 10.5252/adansonia2025v47a11 b8e5d9ec-7e27-4bbf-a8a8-6cee2bf7465f 1639-4798 16262489

TABLE 1. — Differences between Benthamia africana, B. elata and B. litoralis sp. nov.

Benthamia africana	Benthamia elata	Benthamia litoralis sp. nov.
Leaves linear-lanceolate, basal or	Leaves lanceolate, nearly up to the rachis	Leaves linear strap-like, mostly basal, leaving
cauline in lower part of inflorescence		a long gap between leaves and rachis
Rachis very long, 6-38 cm	Rachis very long, 20-40 cm	Rachis short, 4.5-17 cm
Plant medium or large (20-62 cm)	Plant large (25-100 cm)	Plant small (20-41 cm)
Flowers small (2-5 mm)	Flowers large (5 mm)	Flowers small (3 mm)
Lip lateral lobes very small and obtuse	Lip lateral lobes from 1/3 to size of central lobe	Lip lateral lobes acute, less than 1/3 of central lobe
Sheaths 2-3 below the leaves	Sheaths 2 below the leaves	Sheaths absent below the leaves