Habenaria walleri Rchb.f. 1881 SECTION Macrurae Kraenzl.
Photos by Eric La Croix and courtesy of © Swiss Orchid Foundation at the Herbarium Jany Renz
Drawing by © Margonska
Common Name Waller's Habenaria [English Missionary in East Africa 1800's]
Flower Size 1/2" [1.25 cm]
Found in Guinea, Gabon, Congo, Cameroon, Central African Republic, Zaire, Burundi, Sudan, Uganda, Kenya, Tanzania, Malawi and Zambia in usually wet grasslands at elevations of 1100 to 1170 meters as a medium to large sized, cool growing terrestrial with ovoid to ellipsoid tubers giving rise to a leafy stem carrying 7 to 10, lowest 1 to 2 sheath-like, middle erect to semi-spreading, lanceolate, acute, erect, the uppermost grading into bract-like leaves that blooms in the summer on an erect, [3.2 to 8.8" [8 to 28 cm] long, rather laxly 2 to several flowered inflorescence with leafy, shorter than the ovary floral bract and carrying showy, fragrant flowers
"H walleri has thhe longest spur in the genus and appears to be closely related to H macruroides but differs in the morphology of the peals and the length of the stigmatophores." Szlach. & Sawicka 2003
Synonyms Habenaria soyauxii Kraenzl. 1893; Macrura walleri (Rchb.f.) Szlach. & Sawicka 2003;
References W3 Tropicos, Kew Monocot list , IPNI ;
*Otia Botanica Hamburgensia Rchb.f 1881;
Bot. Jahrb. Syst. 16: 93 Kraernzlin 1892 as H soyauxii
Bull. Misc. Inform. Kew 1932: 191 Summerhayes 1932
Flora of Tropical East Africa Part 1 Summerhayes 1968;
Orchids of East Africa Piers 1968;
Flore D'Afrique Centrale [Zaire- Rwands - Burundi] Orhidaceae Premeir parte Geerink 1984;
Flora Zambesiaca Vol 11 Part 1 Pope 1995 photo fide;
Orchids of Kenya Stewart 1996 photo fide; Orchidee (Hamburg) 54: 332 Szlach. & Sawicka 2003 as Macrura walleri
Orchidaceae of West Central Africa Vol 1: 242 Szlatchecko etal 2010 as Macrura walleri drawing fide
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