Habenaria walleri Rchb.f.

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Photo: Nicholas Wightman
Cultivated at Dabuyu Farms from tuber material sold in marketplaces of Zambia for the Chikanda trade

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Synonyms:	Habenaria soyauxii Kraenzl.
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Description:	Plants up to 80 cm tall growing from ovoid to elliptic wooly tubers 2-4 x 1-2 cm; stem erect and leafy; leaves 7-10, lowest 1-2 ±sheathing, mid stem leaves erect to semi-spreading, largest 6-14 x 1-3.5 cm, lanceolate, upper leaves bract-like; inflorescence 8-28 x 7.5-10 cm, laxly 2- few flowered; pedicel and ovary up to 9.5 cm long; bracts leafy, to 8 cm long, shorter than pedicel and ovary; flowers green and white, showy, scented; dorsal sepal erect, 11-16 x 10-11 mm, ovate, convex; lateral sepals deflexed, c. 20 x 9 mm, obliquely semi-ovate; petals 2-lobed ± to base, upper lobe attached to dorsal sepal, linear, 11-16 x 1.5-3 mm, lower lobe deflexed, 20-32 mm x 3.5-5.5 mm, lanceolate; lip 3-lobed with undivided base c. 4 mm long, mid-lobe oblong, 15-28 x 2.5-6 mm, side lobes 20-32 x 4-7 mm, the inner edge straight and outer edge curved. spur 13-17 cm long, pendent, swollen in the apical third.
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Flowering time:	Nov - Jan
Worldwide distribution:	From Nigeria east to Kenya south Zambia and Malawi.
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Spot characters:	Display spot characters for this species
Literature:	La Croix, I. & Cribb, P.J. (1995). Orchidaceae (Part 1) Flora Zambesiaca 11(1) Page 127. (Includes a picture). La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 88. (Includes a picture). La Croix, I.F. & La Croix T.M. (1983). Orchids of Bvumbwe The Society of Malawi Journal 36(2) Page 17. Moriarty, A. (1975). Wild Flowers of Malawi Purnell & sons Cape Town. Pages 51 - 52. (Includes a picture). Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 122. Stewart, J. & Campbell, B. (1996). Orchids of Kenya Timber Press Inc, Portland Oregon, USA ISBN0-88192-357-5 Page 143. (Includes a picture).

Other sources of information about Habenaria walleri:

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Flora of Malawi: Habenaria walleri
Flora of Zambia: Habenaria walleri

External websites:

African Plants: A Photo Guide (Senckenberg): Habenaria walleri
BHL (Biodiversity Heritage Library): Habenaria walleri
EOL (Encyclopedia of Life): Habenaria walleri
GBIF (Global Biodiversity Information Facility): Habenaria walleri
Google: Web - Images - Scholar
iNaturalist: Habenaria walleri
IPNI (International Plant Names Index): Habenaria walleri
JSTOR Plant Science: Habenaria walleri
Mansfeld World Database of Agricultural and Horticultural Crops: Habenaria walleri
Plants of the World Online: Habenaria walleri
Tropicos: Habenaria walleri
Wikipedia: Habenaria walleri