Habenaria magnirostris Summerh.

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Photo: Nicholas Wightman
Chakwenga Headwaters and Nyabutaye Peat Bog, Rufunsa Distr., Lusaka Province

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Description:	Slender terrestrial herb 30-40 cm tall growing from globose tubers c. 13 mm long; stem leafy, lowest 2 sheath-like, mid-stem leaves, semi-erect, largest up to 6-16 x 1-2.5 cm, lanceolate or linear, uppermost leaves bract-like; inflorescence laxly 4-20 flowered; flowers green or yellow-green; dorsal sepal 5-7.5 x 2-3 mm, ovate, erect, convex; lateral sepals 6.5-7 x 3 mm, obliquely lanceolate, spreading; petals 2-lobed to c. 2 mm from base, upper lobe 4.5-5 x c. 1 mm, adnate to dorsal sepal, lower lobe 13-15(23) mm long, filiform, spreading; lip 3-lobed with undivided base c. 2 mm long, mid lobe 7-10 x 1 mm, linear, side lobes 11.5-20 mm long, filiform, deflexed; spur 40-50 mm long, incurved, slender but slightly swollen towards the apex; mid lobe of rostellum 2-3.5 mm high, standing in front of the anther.
Notes:	This species is mentioned in the Preliminary Checklist of Vascular plants of Mozambique (SABONET report 30, 2009). It is however absent from both Flora Zambesiaca (La Croix & Cribb, 1995) and the Provisional Checklist of Orchidaceae of Mozambique (Schelpe, 1973).
Derivation of specific name:	<strongmagnirostris</strong: roughly meaning large beaked in possible reference to the large mid lobe of the rostellum.
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Flowering time:	Nov - Dec
Worldwide distribution:	Angola east through Zambia and DRC to Tanzania south to Malawi and Zimbabwe
Mozambique distribution:	N
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Spot characters:	Display spot characters for this species
Literature:	Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 129. Fibeck, W. & Dare, M. (1993). Terrestrial Orchids in Zimbabwe. Excelsa 16 Page 64. 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 80 - 81. (Includes a picture). La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 63. (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 121. Summerhayes, V.S. (1960). African orchids XXVII Kew Bulletin 14(1) Pages 132 - 134. Protologue Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 46 - 48. (Includes a picture).

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Flora of Malawi: Habenaria magnirostris
Flora of Zambia: Habenaria magnirostris
Flora of Zimbabwe: Habenaria magnirostris

External websites:

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