Habenaria rumphii (Brongn.) Lindl. 1835 SECTION Acuiferae
Photos by © Peter O'Byrne, Dr. E.F. de Vogel, André Schuiteman, and Jaap Vermeulen and Their Netherlands National Herbarium Website and Flora Malesiana Vol III
Drawing by © P Juul
Common Name Rumphi's Habenaria [Dutch Botanist 1800's in Java]
Flower Size .7" [1.7 cm]
Found in Cambodia, Laos, Thailand, Vietnam, Malaysia, Borneo, Java, Moluccas, Sumatra, Sulawesi, The Philippines, New Guinea and Queensland Australia in lowland grasslands at elevations of sealevel to 500 meters as a small sized, hot growing terrestrial with an oblong tuber carrying an erect, 3 to 4 leafed stem carrying erect, lanceolate-linear, narrowing towards the base, gradually acuminate apically leaves that blooms in the winter on an erect, terminal, racemose, 9.6" to 12.8" [24 to 32 cm] long, densely many flowered inflorescence with 3 to 6, lanceolate-linear to subulate, setaeceous-acuminate bracts and erect, subulate, setaceous-acuminate, concave, keeled, 1 nerved, much longer than the ovary floral bracts and carrying s usually white or dull green flowers.
"Habenaria rumphii is similar to H. khasiana and the differences between these 2 taxa are discussed below. It differs from H. ochroleuca by having broader leaves .4 to .48" vs .16 to .32" (1 to 1.2 cm vs .4 to .8 cm), much shorter floral bracts .32 vs .8" (8 mm vs 20 mm), and a longer spur .44 to .52" vs .04 to .24" (11 to 13 mm vs 1–6 mm)." Kolanowska etal 2021
Synonyms Habenaria dahliana Kraenzl. 1898; Habenaria holtzei F.Muell. 1890 publ. 1891; Habenaria rumphii var. meraukensis J.J.Sm. 1909; Habenaria stauroglossa Kraenzl. 1889; *Platanthera rumphii Brongn. 1834; Pecteilis rumphii (Brongn.) M.A.Clem. & D.L.Jones 2018 with incorrect basionym ref.; Satyrium dahlianum (Kraenzl.) Kuntze 1903
References W3 Tropicos, Kew Monocot list , IPNI ;
Voy. Monde, Phan.: 194 Brogn. 1834 as Platanthera rumphii;
* Gen. Sp. Orchid. Pl.: 320 Lindley 1835
Otia Botanica Hamburgensia: 22 Rchb.f 1878;
Fl. Kais. Wilh. Land: 35 Kraenzlin 1889 as H stauroglossa
J. Proc. Roy. Soc. New S. Wales 24: 128 Muell. 1890 publ. 1891 as H holtzei
Orchid. Gen. Sp. 1: 466 Kraenzlin 1898 as H dahliana;
Deutsche Bot. Monatsschr. 21: 173 Kuntze 1903 as Satyrium dahliana;
Bull. Dép. Agric. Indes Néerl. 22: 6 J J Smith 1909 as H rumphii var meraukensis;
Orchidaceae of German New Guinea: 65 Schlechter 1912 Orchidaceae of German New Guinea: 72 Schlechter 1912 drawing fide; Bull. Jard. Bot. Buitenzorg, sér. 3, 90 J J Smith 1928; Flore Generale de Indo-Chine Volume 6 Gagnepain 1934; Bulletin du Museum National d'Histoire Naturelle % No 71 Seidenfaden 1972 drawing ok; Contributions to a Revision of the Orchid Flora of Cambodia, Laos and Vietnam Seidenfaden 1975; Dansk Botanisk Arkiv Bind 31 #3 Orchid Genera in Thailand V Orchidoideae Seidenfaden 1977 drawing fide; A Guide to the Monocotyledons of Papua New Guinea Part 4 Orchidaceae [in Part] Howcroft 1984; A Checklist of the Orchids of Borneo Wood & Cribb 1994; Identification of the Orchids [Orchidaceae Juss.] Vietnam Averyanov 1994; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2001 photo hmm; Lindleyana Vol 17 No 1: 38 2002; Botanica's Orchids Laurel Glen 2002 Photo fide; Flora Malesiana Orchids of the Philippines Vol I Agoo, Shuiteman and de Vogel 2003; A field Guide to the Wild Orchids of Thailand Vaddhanaphuti 2005 photo hmm; Flora Malesiana Orchids of New Guinea Vol III Shuiteman and de Vogel 2005; Native Orchids of Australia Jones 2006 photo hmm; Flora Of Thailand Orchidaceae Vol 12 Part 1 Pedersen, Kurzweil, Suddee & Cribb 2011 drawing good; A to Z of South East Asian Orchid Species Vol 2 O'Byrne 2011 photo fide; Checklist of Orchids of Penninsular Malaysia Ong, O'Byrne, Saw and Chung 2017; Checklist of Papusian Orchids Ormerod 2017;
