Orthochilus walleri (Rchb. f.) Bytebier

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Orthochilus walleri

Photo: Ton Rulkens
Ancuabe district, Cabo Delgado province

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Synonyms: Cyrtopera walleri Rchb. f.
Eulophia angustiflora Kraenzl.
Eulophia piscicelliana Buscal. & Schltr.
Eulophia walleri (Rchb. f.) Kraenzl.
Common names:
Frequency:
Status: Native
Description:
Slender terrestrial, up to 1 m tall. Leaves 2-3, linear, grass-like, 30-55 cm long, well developed at time of flowering. Inflorescence fairly densely 8-20-flowered. Flowers drooping, bright orange to vermillion-red, lip usually paler at the base and with a yellow callus. Petals and sepals similar, linear, 26-55 mm long, petals sorter than sepals. Spur absent.
Notes:
Derivation of specific name:
Habitat: Dambo and other poorly drained grassland and on sandy soils in miombo woodland.
Altitude range:
Flowering time:Jan - Mar(Apr)
Worldwide distribution: Botswana, Namibia (Caprivi), DRC, Tanzania, Malawi, Mozambique, Zambia and Zimbabwe.
Malawi distribution: N,C,S
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: Wednesday 26 August 2015
Literature:

Fibeck, W. & Dare, M. (1993). Terrestrial Orchids in Zimbabwe. Excelsa 16 Page 62. As Eulophia walleri

Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 167. As Eulophia walleri

Golding, J.S. (ed.) (2002). Namibia Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 71. As Eulophia walleri

La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Page 508. (Includes a picture).

La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 311. (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. As Eulophia walleri

Martos, F., Johnson, S.D., Peter, C.I & Bytebier, B. (2014). A molecular phylogeny reveals paraphyly of the large genus Eulophia (Orchidaceae): A case for the reinstatement of Orthochilus Taxon 63(1) Page 20.

Moriarty, A. (1975). Wild Flowers of Malawi Purnell & sons Cape Town. Pages 45 - 46. As Eulophia walleri (Includes a picture).

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 120. As Eulophia walleri

Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 128.

Summerhayes, V.S. (1953). African Orchids: XXII Kew Bulletin 8(4) Pages 586 - 587. as Eulophia walleri

Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 186.

Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 157 - 158. As Eulophia walleri (Includes a picture).

Other sources of information about Orthochilus walleri:

Our websites:

Flora of Botswana: Orthochilus walleri
Flora of Caprivi: Orthochilus walleri
Flora of Mozambique: Orthochilus walleri
Flora of Zambia: Orthochilus walleri
Flora of Zimbabwe: Orthochilus walleri

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Malawi: Species information: Orthochilus walleri.
https://www.malawiflora.com/speciesdata/species.php?species_id=119680, retrieved 23 September 2019

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