Disa ochrostachya Rchb.f.

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Disa ochrostachya

Picture: Darrel Plowes
Pungwe River, Nyanga NP

Disa ochrostachya

Picture: Darrel Plowes
Pungwe River, Nyanga NP

Disa ochrostachya

Picture: Darrel Plowes
Kwaraguza, Nyanga

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Synonyms: Disa adolphi-friderici Kraenzl.
Disa aurantiaca Rchb. f.
Common names:
Frequency:
Status: Native
Description:
Slender terrestrial herb, up to 1 m tall. Leaves on a separate shoot, 2-3, erect, elliptic, up to 20 × 4 cm, folded along the length. Leaves along the fertile shoot, up to 9 × 3 cm, sheathing. Inflorescence cylindric, 15-30 cm long, dense, 50-200-flowered, bracts 1.5-2.5 cm long, pointed. Flowers c. 1 cm in diameter, bright yellow, often spotted orange. Dorsal sepal obovate, 6-9 mm long with a pendent spur, up to 12 mm long arising from the middle. Lateral sepals spreading, 6-9 mm long. Petals 2-lobed. Lip pendent, linear, 5-9 mm long.
Type location:
Angola
Notes: See Disa satyriopsis for comparison.
Derivation of specific name: ochrostachya : with a yellow spike
Habitat: In montane grassland and vleis.
Altitude range:
Flowering time:Jan - Feb
Worldwide distribution: Angola, Cameroon, DRC, Rwanda, Kenya, Uganda, Tanzania, Malawi, Zambia and Zimbabwe.
Zambian distribution (Flora Zambesiaca): N,E
Zambian distribution (Provinces): Lp,N,Mc
Growth form(s): Terrestrial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Literature:

Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 224 - 225. (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 321.

Fibeck, W. & Dare, M. (1993). Terrestrial Orchids in Zimbabwe. Excelsa 16 Page 56.

Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 80.

La Croix, I. & Cribb, P.J. (1995). Orchidaceae (Part 1) Flora Zambesiaca 11(1) Pages 162 - 163.

La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 112. (Includes a picture).

Linder, H.P. (1981). Taxonomic studies in the Disinae (Orchidaceae): IV A revision of Disa Berg. sect. Micranthae Lindl. Bulletin du Jardin Botanique National de Belgique 51(3/4) Pages 280 - 284. (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.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 119.

Plowes, D.C.H. & Drummond, R.B. (1990). Wild Flowers of Zimbabwe. Revised edition. Longman, Zimbabwe. No. 31, plate 51

Stewart, J. & Campbell, B. (1996). Orchids of Kenya Timber Press Inc, Portland Oregon, USA ISBN0-88192-357-5 Pages 105 - 106. (Includes a picture).

Summerhayes, V.S. (1964). African orchids XXIX Kew Bulletin 17(3) Page 541.

Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Page 83. (Includes a picture).

Other sources of information about Disa ochrostachya:

Our websites:

Flora of Malawi: Disa ochrostachya
Flora of Zimbabwe: Disa ochrostachya

External websites:

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


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: Disa ochrostachya.
https://www.zambiaflora.com/speciesdata/species.php?species_id=117360, retrieved 15 October 2019

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