Cynorkis debilis (Hook.f.) Summerh.

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Cynorkis debilis

High rainfall Miombo Woodland
Kapishya Springs
Jan 2017
Photo: Nick Wightman

Cynorkis debilis

High rainfall Miombo Woodland
Kapishya Springs
Jan 2017
Photo: Nick Wightman

Cynorkis debilis

High rainfall Miombo Woodland
Kapishya Springs
Jan 2017
Photo: Nick Wightman

Cynorkis debilis

High rainfall Miombo Woodland
Kapishya Springs
Jan 2017
Photo: Nick Wightman

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Synonyms: Bicornella debilis (Hook.f.) Szlach. & Kras
Bicornella hanningtonii (Rolfe) Szlach. & Kras
Cynorkis hanningtonii Rolfe
Cynorkis johnsonii Rolfe
Habenaria debilis Hook.f.
Common names:
Frequency: Locally frequent
Status: Native
Description:
Terrestrial herb; tubers usually 2, ovoid, 1.5-2 cm long; basal leaves 2, grey green, 4-15 x 1.5-5 cm, elliptic, acute; peduncle leaves 1-2, sheathing; peduncle glabrous to sparsely hairy; inflorescence 4-24 cm densely few to many flowered,  secund, bracts 6-7 mm long, lanceolate, acute, ovary and pedicel 7-10 mm long, glabrous to sparsely hairy; flowers white to pale/deep pink with purple spots on lip; dorsal sepal 3-5 x 2-3 mm, ovate, convex; lateral sepals 4-9 x 2.5-6 mm, spreading, obliquely ovate; petals 3-5 x 1.5-2.5 mm, adnate to column at base and forming a hood with the dorsal sepal; lip 5-10 mm long, 5 lobed in basal half; spur 3-11 mm long, slender, tapering,  straight.
Type location:
Tanzania
Notes:
Derivation of specific name: debilis: weak, frail, feeble.
Habitat: High rainfall Brachystegia woodland amongst damp grass near streams and seepage areas and occasionally in ervergreen forest
Altitude range: 900 - 1900 m
Flowering time:Jan-May
Worldwide distribution: From Angola through DRC to Tanzania south through Zambia and Malawi to Zimbabwe.
Zambian distribution (Flora Zambesiaca): N,W,C
Zambian distribution (Provinces): Nw,Cb,Mc,C
Growth form(s): Terrestrial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Thursday 6 July 2017
Literature:

Ball, J.S. (2009). Terrestrial African Orchids, A Selected Review Pages 32 - 33. (Includes a picture).

Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 216 - 217. as Cynorkis hanningtonii (Includes a picture).

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 318. as Cynorkis hanningtonii

Fibeck, W. & Dare, M. (1993). Terrestrial Orchids in Zimbabwe. Excelsa 16 Page 55. as Cynorkis hanningtonii

Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 79. As Cynorkis hanningtonii

La Croix, I. & Cribb, P.J. (1995). Orchidaceae (Part 1) Flora Zambesiaca 11(1) Pages 53 - 55. as Cynorkis hanningtonii (Includes a picture).

La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Pages 47 - 48. as Cynorkis hanningtonii (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 95. as Cynorkis hanningtonii

Morris, B. (1967). The epiphytic orchids of Soche Mountain. Historic and Scientific Society of Malawi Journal 20(2) Page 30. As Cynorkis hanningtonii

Morris, B. (1970). Epiphytic Orchids of Malawi The Society of Malawi Pages 25 - 26. As Cynorkis hanningtonii

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 118. as Cynorkis hanningtonii

Schelpe, E.A.C.L.E. (1976). A Provisional Checklist of the Orchidaceae of Mozambique South African Journal of Botany 42(4) Page 390. as Cynorkis hanningtonii

Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 133. as Cynorkis hanningtonii

Summerhayes, V.S. (1956). African orchids XXIII Kew Bulletin 11(2) Page 218.

Summerhayes, V.S. (1957). African orchids XXIV Kew Bulletin 12(1) Page 109. As Cynorkis hanningtonii

Summerhayes, V.S. (1968). Orchidaceae (Part 1) Flora of Tropical East Africa Pages 36 - 37. as Cynorkis hanningtonii (Includes a picture).

Timberlake, J., Darbyshire, I., Wursten, B., Hadj-Hammou, J., Ballings, P., Mapaura, A., Matimele, H., Banze, A., Chipanga, H., Muassinar, D., Massunde, J., Chelene, I., Osborne, J., Shah, T. (2016). Chimanimani Mountains: Botany and Conservation. Report produced under CEPF Grant 63512. Royal Botanic Gardens, Kew, London. Page 47.

Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 38 - 39. As Cynorkis hanningtonii (Includes a picture).

Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 84.

Other sources of information about Cynorkis debilis:

Our websites:

Flora of Malawi: Cynorkis debilis
Flora of Mozambique: Cynorkis debilis
Flora of Zimbabwe: Cynorkis debilis

External websites:

African Plants: A Photo Guide (Senckenberg): Cynorkis debilis
African Plant Database: Cynorkis debilis
BHL (Biodiversity Heritage Library): Cynorkis debilis
EOL (Encyclopedia of Life): Cynorkis debilis
ePIC (electronic Plant Information Center): Cynorkis debilis
Flora Zambesiaca web site: Cynorkis debilis
GBIF (Global Biodiversity Information Facility): Cynorkis debilis
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Cynorkis debilis
iNaturalist: Cynorkis debilis
IPNI (International Plant Names Index): Cynorkis debilis
JSTOR Plant Science: Cynorkis debilis
Kew Herbarium catalogue: Cynorkis debilis
Kew Monocotyledon checklist: Cynorkis debilis
Mansfeld World Database of Agricultural and Horticultural Crops: Cynorkis debilis
Plants of the World Online: Cynorkis debilis
The Plant List (version 1.1): Cynorkis debilis
Tropicos: Cynorkis debilis
Wikipedia: Cynorkis debilis


Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-19

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2019). Flora of Zambia: Species information: Cynorkis debilis.
https://www.zambiaflora.com/speciesdata/species.php?species_id=116570, retrieved 14 October 2019

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