Tridactyle verrucosa P.J. Cribb

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Synonyms: Tridactyle sp. Morris No. 156. of Morris, Epiphyt. Orch. Malawi: 120 (1970).
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:

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 56.

Cribb, P.J. & Stewart, J. (1985). Additions to the Orchid Flora of Tropical Africa Kew Bulletin 40(2) Pages 414 - 417. Protologue (Includes a picture).

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

Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 168. As Tridactyle trimikeorum

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.

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 98. As Tridactyle trimikeorum

Morris, B. (1970). Epiphytic Orchids of Malawi The Society of Malawi Pages 120 - 121. as Tridactyle sp. Morris No. 156.

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
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
iNaturalist: Tridactyle verrucosa
IPNI (International Plant Names Index): 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
Plants of the World Online: Tridactyle verrucosa
Tropicos: Tridactyle verrucosa
Wikipedia: Tridactyle verrucosa


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-20

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2020). Flora of Zimbabwe: Species information: Tridactyle verrucosa.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=119040, retrieved 19 October 2020

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