Habenaria dregeana Lindl. 1840 SECTION Diphyllae Kraenzl
Photo courtesy of © Swiss Orchid Foundation at the Herbarium Jany Renz
Drawing by © Harry Bolus
Common Name Drege's Habenaria [German Plant Collector 1800's]
Flower Size 1/2" [1.25 cm]
Found in Zaire, Uganda, Angola, Zimbabwe and Cape Province, Lesotho, Natal Orange Free State, Swaziland and Transvaal state of South Africa in open sunny grasslands at elevations of 1000 to 2000 meters as a small to medium sized, cool growing terrestrial with ellipsoid, tomentose tubers giving rise to an erect leafy stem carrying 2 basal, ovate to reniform, cordate basally, adpressed to the ground becoming bract-like above leaves that blooms in the fall on an erect, 3 to 7.4" [7.5 to 18 cm] long, narrowly cylindrical, densely 20 to 60 flowered inflorescence with longer than the ovaries floral bracts and carrying nocturnally scented flowers
Synonyms Habenaria calva (Rchb.f.) Rolfe 1898; Habenaria dregeana var. calva Rchb.f. 1865; Habenaria friesii Schltr. 1916
References W3 Tropicos, Kew Monocot list , IPNI ;
* Ann. Nat. Hist. 4: 314 Lindley 1840
Flora 48: 179 Rchb.f 1865 as Habenaria dregeana var. calva
Orchids of South Africa - volume I plate 015 Bolus 1896 drawing fide;
Fl. Trop. Afr. 7: 226 Rolfe 1898 as Habenaria calva
Wiss. Erg. Schwed. Rhodesia-Kongo-Exp. 1911-1912, 1: 240 Schlechter 1916 as Habenaria friesii
Wild Orchids of Southern Africa Stewart, Linder, Schelpe & Hall 1982 photo fide;
Flore D'Afrique Centrale [Zaire- Rwands - Burundi] Orhidaceae Premeir parte Geerink 1984;
Flora Zambesiaca Vol 11 Part 1 Pope 1995;
Orchids of Southern Africa Linder & Kurzweil 1999 drawing/photo fide;
Flora's Orchids Nash & La Croix 2005 photo ok;
Field Guide to the Orchids of Northern South Africa and Swaziland McMurty, Grobler, Grobler & Burns 2008 photo fide;
Orchidaceae of West Central Africa Vol 1 Szlatchecko etal 2010 drawing fide
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