Eulophia macaulayae Summerh.

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Eulophia macaulayae

Photo: Nicholas Wightman
Lumangwe Falls, Mporokoso Distr., Northern Province

Eulophia macaulayae

Photo: Nicholas Wightman
Lumangwe Falls, Mporokoso Distr., Northern Province

Eulophia macaulayae

Photo: Nicholas Wightman
Lumangwe Falls, Mporokoso Distr., Northern Province

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Common names:
Status: Very doubtful
Terrestrial herb 27-38 cm tall growing from conical pseudobulbs partly above ground, c. 5 x 1 cm; leaves 3-5 in a tuft, 10 -25 cm long and less than 1 mm wide, grass-like, linear, just starting to develop at flowering time; inflorescence laxly flowered; scape with several sheaths; flowers spreading, sweetly scented, yellow or yellow-green, lip ± purple veined; bracts c. 7 mm long, linear-lanceolate, acuminate; ovary and pedicel 10-11 mm long; sepals all similar, spreading, linear-spathulate, slightly recurved at tips 12-15 x 1.5-2 mm; petals 8-11 x 2-3 mm, oblong to lanceolate-oblong, obtuse, lying over column; lip 10.5-13 x 5-6.5 mm, 3-lobed; mid-lobe 4-6 x 3-4.5 mm, elliptic or obovate elliptic, margin crenulated, callus of 3 ridges running from the base to the junction of the side lobes, turning to tubercular keels on the mid lobe; side lobes obliquely triangular; spur 4-5 mm long, cylindrical but slightly swollen at apex, slightly curved.
Notes: Although listed By Grosvenor in Kirkia 6: 81 (1976). This is doubtful since the species is otherwise only known from western Zambia and is absent in all other literature referring to Zimbabwe.
Derivation of specific name: macaulayae: named after Macaulay, collector of the type specimen.
Altitude range: (metres)
Flowering time:Sep - Oct
Worldwide distribution: Angola east, Zambia.
Zimbabwe distribution: N
Growth form(s): Terrestrial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 81.

La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Pages 528 - 529. As Eulophia macaulayae

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 120.

Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 166 - 167. (Includes a picture).

Other sources of information about Eulophia macaulayae:

Our websites:

Flora of Zambia: Eulophia macaulayae

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Species information: Eulophia macaulayae., retrieved 4 March 2024

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