Cyrtorchis ringens (Rchb. f.) Summerh.

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Photo: Bart Wursten
Bunga Views, Vumba Mts.

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Synonyms:	Angraecum bistortum Rolfe Angraecum buchholzianum Kraenzl. Cyrtorchis bistorta (Rolfe) Schltr. Cyrtorchis buchholziana (Kraenzl.) Schltr. Cyrtorchis hookeri (Rolfe) Schltr. Listrostachys bistorta (Rolfe) Rolfe Listrostachys buchholziana (Kraenzl.) T. Durand & Schinz Listrostachys hookeri Rolfe Listrostachys ignoti Kraenzl. Listrostachys ringens Rchb.f.
Common names:
Frequency:
Status:
Description:	Epiphyte. Plants with a distinct stem. Leaves leathery, not folded along their length. Inflorescences usually 2, axillary or below the leaves. Each inflorescence with two rows of up to 6 flowers. Flowers star-shaped, creamy-white, turning apricot with age. Spur 2-3.5 cm long. In suitable locations it may form extensive colonies on the trees.
Notes:
Derivation of specific name:	ringens: referring to the gaping floral segments
Habitat:
Altitude range:
Flowering time:	Feb - Mar
Worldwide distribution:	Widespread in tropical Africa
Growth form(s):	Epiphyte.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Ball, J.S. (1978). Southern African Epiphytic Orchids. Conservation Press, Johannesburg. Pages 104 - 105. (Includes a picture). Dowsett-Lemaire, F. (1989). The flora and phytogeography of the evergreen forests of Malawi. I: Afromontane and mid-altitude forests; Bull. Jard. Bot. Nat. Belg. 59(1/2) Page 27. Fischer, E., Killmann, D., Delepierre, G. & Lebel, J-P. (2010). The Orchids of Rwanda Koblenz Geographical Colloquia Series Biogeographical Monographs 2 Page 170. (Includes a picture). Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 79. Kimberley, M.J. (2003). A List of Epiphytic Orchids of Zimbabwe Excelsa 20 Page 50. La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Page 416. La Croix, I. et al. (1983). Malawi Orchids Volume 1 Epiphytic Orchids National Fauna Preservation Society of Malawi Page 67. (Includes a picture). La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 268. (Includes a picture). La Croix, I.F. & La Croix T.M. (1983). Orchids of Bvumbwe The Society of Malawi Journal 36(2) Page 16. 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 95. Morris, B. (1967). The epiphytic orchids of Soche Mountain. Historic and Scientific Society of Malawi Journal 20(2) Page 35. Morris, B. (1970). Epiphytic Orchids of Malawi The Society of Malawi Pages 108 - 109. Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 118. Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 134. Summerhayes, V.S. (1958). African orchids XXV Kew Bulletin 13(1) Page 87. Summerhayes, V.S. (1960). African orchids XXVII Kew Bulletin 14(1) Pages 154 - 155.

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Flora of the DRC: Cyrtorchis ringens
Flora of Malawi: Cyrtorchis ringens
Flora of Mozambique: Cyrtorchis ringens
Flora of Rwanda: Cyrtorchis ringens
Flora of Zambia: Cyrtorchis ringens
Flora of Zimbabwe: Cyrtorchis ringens

External websites:

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