Polystachya johnstonii Rolfe
var. johnstonii

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Polystachya johnstonii var. johnstonii

Photo: Joachim Thiede
Mount Mulanje, Lichenya Plateau, cliff edge at S end of Lichenya Plateau (W face of The Crater)

Polystachya johnstonii var. johnstonii

Photo: Joachim Thiede
Mount Mulanje, Lichenya Plateau, cliff edge at S end of Lichenya Plateau (W face of The Crater)

Polystachya johnstonii var. johnstonii

Photo: Joachim Thiede
Mount Mulanje, Lichenya Plateau, cliff edge at S end of Lichenya Plateau (W face of The Crater)

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Synonyms:
Common names:
Frequency:
Status: Native
Description:
Dwarf epiphytic herb, forming dense clumps, flowering when leafless or with the new leaves. Pseudobulbs ovoid or globose, 2-6-leaved. Leaves lanceolate or ligulate, glossy green. Inflorescence densely 2-12-flowered. Flowers (in var. johnstonii) not opening wide, predominantly green and white, but sometimes flushed with purple. Sepals fleshy, densely hairy on the outside; dorsal sepal 10-13 mm long, ovate; lateral sepals obliquely ovate. Petals 7-10 mm long, oblanceolate. Lip hairy on the underside near the base, fleshy, much recurved; callus with numerous clavate hairs.
Notes:
Derivation of specific name:
Habitat: Growing on Xerophyta trunks on exposed hillsides and mountain tops.
Altitude range:
Flowering time:Sep - Nov
Worldwide distribution: Restricted to Mt Mulanje, Malawi.
Malawi distribution: S
Growth form(s):
Endemic status: Endemic
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Thursday 15 June 2017
Literature:

La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Pages 351 - 352.

La Croix, I. et al. (1983). Malawi Orchids Volume 1 Epiphytic Orchids National Fauna Preservation Society of Malawi Pages 92 - 94. as Polystachya johnstonii (Includes a picture).

La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 228. as Polystachya johnstonii (Includes a picture).

Morris, B. (1970). Epiphytic Orchids of Malawi The Society of Malawi Pages 63 - 65. As Polystachya johnstonii (Includes a picture).

Strugnell, A.M. (2002). Endemics of Mt. Mulanje. The endemic spermatophytes of Mt. Mulanje, Malawi Systematics and Geography of Plants 72 Page 18.

Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 139.

Other sources of information about Polystachya johnstonii var. johnstonii:

External websites:

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


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 johnstonii var. johnstonii.
https://www.malawiflora.com/speciesdata/species.php?species_id=220950, retrieved 29 March 2024

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