Tridactyle verrucosa P.J. Cribb

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Synonyms: Tridactyle trimikeorum Dare
Common names:
Frequency: Rare in Zimbabwe
Status: Native
Description:
Erect epiphytic or lithophytic herb. Stem somewhat woody, up to 12 cm. Leaves 7-14, linear, leathery, 3.5-5.5 cm long, unequally 2-lobed at the apex, spreading, twisted to lie in one plane, facing upwards. Inflorescences short, 2-5 flowered, arising below and among the leaves. Flowers yellowish-green, fading to straw-coloured. Sepals and petals similar, more or less lanceolate-ovate, c. 2.5 mm. Lip 3.5-4 mm distinctly 3-lobed in the apical half; side lobed spreading, slightly longer than mid-lobe.
Notes: When first found in Zimbabwe (Dare, Dunn & Kimberley 247, 23 October 1999) it was described as a new species, Tridactyle trimikeorum Dare but it is now considered conspecific with T. verrucosa.
Derivation of specific name: verrucosa: verrucose or with a surface covered in warts.
Habitat: On rocks in woodland, usually in exposed situations.
Altitude range: (metres) 1600 - 2000 m
Flowering time:Oct - Nov
Worldwide distribution: Tanzania, Malawi and Zimbabwe
Zimbabwe distribution: E,S
Growth form(s):
Endemic status:
Red data list status: Vulnerable
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Monday 8 January 2007
Literature:

Dare, M. (1999). A new Tridactyle (Orchidaceae) from the Flora Zambesiaca Region. Excelsa 19 Pages 84 - 86. as Tridactyle trimikeorum (Includes a picture).

Kimberley, M.J. (2003). A List of Epiphytic Orchids of Zimbabwe Excelsa 20 Page 52. as Tridactyle trimikeorum

La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Pages 454 - 456. (Includes a picture).

La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 296. (Includes a picture).

Mapaura, A. (2002). Endemic Plant Species of Zimbabwe. Kirkia 18(1) Page 130.

Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 85.


Other sources of information about Tridactyle verrucosa:

Our websites:

Flora of Malawi: Tridactyle verrucosa

External websites:

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


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Zimbabwe: Species information: Tridactyle verrucosa.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=119040, retrieved 22 April 2019

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