Graphorkis lurida (Sw.) Kuntze

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Photo: Nicholas Wightman
Cultivated at Dabuyu Farms from plant collected from fallen branch along the Kalungwishi River near Chimpempe Falls. QDS:929C2, Elevation: 1055, Lat:-9.538388, Long: 29.433142

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Synonyms:	Eulophia Lurida (Sw.) Lindl. Eulophiopsis lurida (Sw.) Schltr. Graphorchis lurida (Sw.) Kuntze Limodorum luridum Sw.
Common names:
Frequency:
Status:	Native
Description:	Epiphytic herb growing from ribbed, concial-ovoid to cylindrical-fusiform pseudobulbs 3-9 x 1-3 cm, 3-5 noded, yellowish-green; roots c. 2 mm in diameter; leaves 20-40 x 1.5-4 cm, narrowly elliptic, plicate, deciduous with a persistent sheathing base; inflorescence erect, arising from base of pseudobulb when plant is leafless, paniculate with spreading branches; pedicel and ovary up to 12 mm long; bracts 1-3 mm long; flowers yellowish flushed with brownish-purple, lip mid-lobe deep yellow; sepals 5-7 x 1.5-2 mm, oblanceolate; petals 4-6 x 2.5-3 mm, elliptic; lip 4-6 x 3-3.5 mm, 3-lobed, side lobes erect, oblong and rounded, mid-lobe c. 2 x 3 mm, bifid or retuse; spur 4-6 mm long, bent forward and obtuse or bifid at the apex.
Notes:
Derivation of specific name:	lurida: dirty brown, smoky or drab yellow, referring to the colour of the flowers.
Habitat:
Altitude range:
Flowering time:	Jul - Aug
Worldwide distribution:	From Senegal east to Cameroon south to Zambia.
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Fischer, E., Killmann, D., Delepierre, G. & Lebel, J-P. (2010). The Orchids of Rwanda Koblenz Geographical Colloquia Series Biogeographical Monographs 2 Pages 232 - 233. (Includes a picture). La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Pages 547 - 548. (Includes a picture). Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 121. Summerhayes, V.S. (1953). African orchids XXI Kew Bulletin 8(1) Page 161. Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 150 - 152. (Includes a picture).

Other sources of information about Graphorkis lurida:

Our websites:

Flora of the DRC: Graphorkis lurida
Flora of Rwanda: Graphorkis lurida
Flora of Zambia: Graphorkis lurida

External websites:

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