Habenaria stenorhynchos Schltr.

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Photo: Nicholas Wightman
Chakwenga Headwaters, 100-129 km E of Lusaka

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Synonyms:	Habenaria dactylostigma Schltr.
Common names:
Frequency:
Status:	Native
Description:	Slender terrestrial herb 15-45 cm tall; tubers ellipsoid to ovoid, 2.5-1.5 cm; leaves 4-8, the basal 1-2 sheath like, mid-stem leaves semi-spreading, 3.5-8.5 x 0.7-2 cm, ovate or lanceolate, upper stem leaves grading into bracts; inflorescence to 11 cm long, laxly 1-7 flowered, bracts slightly shorter; ovary and pedicel 15-25 mm long; flowers sweetly scented, white with green veined sepals, dorsal sepal 10-11 x 2.5-4.5 mm, erect, convex, acute, lateral sepals c. 12 x 6 mm, obliquely obovate; petals 2-lobed  to base, upper lobe 8-10 mm long, erect, lower lobe 10-15 mm long, curving forwards and up, narrowly linear, less than 1 mm wide; lip 3-lobed almost to base, mid-lobe deflexed, 12-14 x 1 mm, linear, side lobes 5.5-8.5 x 0.5 mm,  filiform, projecting forwards but curving down slightly; spur 8-10 mm long, pendent, swollen at apex; anther erect, c. 4 mm tall, canals 7-8 mm long, porrect, tips upcurved; stigmatic arms 5.5-8 mm long, projecting forwards, enlarged and truncate at apex.
Notes:
Derivation of specific name:
Habitat:
Altitude range: (metres)
Flowering time:	Dec - Feb
Worldwide distribution:	Angola through Zambia to Tanzania south to Malawi, Zimbabwe and South Africa
Zimbabwe distribution:	C,S
Growth form(s):	Terrestrial.
Endemic status:
Red data list status:	Data deficient
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 328. Fibeck, W. & Dare, M. (1993). Terrestrial Orchids in Zimbabwe. Excelsa 16 Page 65. Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 181. Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 83. La Croix, I. & Cribb, P.J. (1995). Orchidaceae (Part 1) Flora Zambesiaca 11(1) Pages 122 - 124. La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 85. (Includes a picture). Mapaura, A. & Timberlake, J. (eds) (2004). A checklist of Zimbabwean vascular plants Southern African Botanical Diversity Network Report No. 33 Sabonet, Pretoria and Harare Page 96. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 122. Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Page 57. (Includes a picture).

Other sources of information about Habenaria stenorhynchos:

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Flora of Malawi: Habenaria stenorhynchos
Flora of Zambia: Habenaria stenorhynchos

External websites:

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