Summerhayesia zambesiaca P.J. Cribb

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Synonyms: Genus novum sp. no. 1 sensu Grosvenor (1976)
Genus novum (near Rangaeris) sp. (Williamson & Drummond 1981) sensu Williamson: 210, 1977
Common names:
Status: Native
Epiphytic herb, occasionally lithophytic; stem c. 2.5 cm long with stout roots at the base of the stem, up to c. 6 mm in diameter. Leaves 3–7, in a fan, linear, up to c. 14 cm long, folded along the length, arching, obscurely 2-lobed at the apex, rather yellow-green. Inflorescences 1–2, axillary in the lower leaves, 12–15 cm long, 4–5-flowered. Peduncle c. 8 cm long, with 4-5 black sheathing bracts. Flowers non resupinate, fleshy, set 2–4 cm apart, creamy-yellow with scattered, short rusty hairs. Dorsal sepal ovate, 13–14 mm long, convex; lateral sepals obliquely ovate, 12–13 mm long. Petals ovate, 11–12 mm long, spreading. Lip 11–12 mm long, entire, fleshy, boat-shaped; spur 16–20 mm long, very slender, pendent, straight.
Derivation of specific name: zambesiaca: of the Zambezi region
Habitat: In Brachystegia woodland, riverine forest and evergreen rainforest.
Altitude range: 600 - 1360 m
Flowering time:
Worldwide distribution: DRC, Tanzania, Malawi, Zambia and Zimbabwe.
Malawi distribution: N
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Ball, J.S. (1978). Southern African Epiphytic Orchids. Conservation Press, Johannesburg. Pages 216 - 217. (Includes a picture).

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 53.

Cribb, P.J. (1977). New orchids from South Central Africa Kew Bulletin 32(1) Pages 185 - 187. (Includes a picture).

Dowsett-Lemaire, F. (1989). The flora and phytogeography of the evergreen forests of Malawi. I: Afromontane and mid-altitude forests; Bull. Jard. Bot. Nat. Belg. 59(1/2) Page 27. As Undetermined (Dowsett-Lemaire 512)

Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 86. As Genus Novum sp. no. 1

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

La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Pages 444 - 446. (Includes a picture).

La Croix, I. et al. (1983). Malawi Orchids Volume 1 Epiphytic Orchids National Fauna Preservation Society of Malawi Pages 132 - 133. (Includes a picture).

La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 286. (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 98.

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 124.

Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 209 - 210. As Genus novum (near Rangaeris) sp. (Includes a picture).

Other sources of information about Summerhayesia zambesiaca:

Our websites:

Flora of Caprivi: cultivated Summerhayesia zambesiaca
Flora of Zambia: Summerhayesia zambesiaca
Flora of Zimbabwe: Summerhayesia zambesiaca

External websites:

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

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: Summerhayesia zambesiaca., retrieved 22 July 2024

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