Polystachya holmesiana P.J. Cribb

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Polystachya holmesiana

Photo: Bart Wursten
Ndundu Lodge, Vumba, Zimbabwe.

Polystachya holmesiana

Photo: Bart Wursten
Ndundu Lodge, Vumba, Zimbabwe.

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Synonyms: Polystachya sp. (Williamson 1618) of Williamson, Orch. S. Centr. Africa: 124 (1977).
Common names:
Status: Native
Epiphytic, occasionally lithophytic, herb. Pseudobulbs clustered, oblong, somewhat bilaterally flattened, ribbed, 2.5–4.5 cm long, yellowish, 2–4-leaved. Leaves folded along the length, 8–17 cm long, usually absent or just about to develop at flowering time. Inflorescence laxly up to c. 15-flowered, 12–30 cm long, pubescent. Flowers facing down, orange, petals with a red central line, lip with a magenta tip and red veins on the side lobes. Sepals fleshy, pubescent on outer surface. Lip fleshy, 8–10 mm long, 3-lobed at about halfway with a yellow, clavate pubescent callus at the junction of the lobes.
Derivation of specific name:
Habitat: High rainfall Brachystegia woodland and riverine forest, usually on trees, sometimes on rocks in shade
Altitude range: 1600 - 1920 m
Flowering time:Sep - Oct
Worldwide distribution: Only known from Malawi and Zambia.
Malawi distribution: N
Growth form(s):
Endemic status: Near Endemic
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Saturday 15 September 2018

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 331. (Includes a picture).

Cribb, P.J. (1977). New orchids from South Central Africa Kew Bulletin 32(1) Pages 154 - 157. (Includes a picture).

La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Page 351.

La Croix, I. et al. (1983). Malawi Orchids Volume 1 Epiphytic Orchids National Fauna Preservation Society of Malawi Pages 92 - 93. (Includes a picture).

La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 227. (Includes a picture).

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 123.

Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 123 - 124. as Polystachya sp. (Williamson 1618) (Includes a picture).

Other sources of information about Polystachya holmesiana:

Our websites:

Flora of Zambia: Polystachya holmesiana

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Malawi: Species information: Polystachya holmesiana.
https://www.malawiflora.com/speciesdata/species.php?species_id=209860, retrieved 22 April 2024

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