Orthochilus euanthus (Schltr.) Bytebier

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Orthochilus euanthus

Miombo woodland
Lilayi Lodge
Dec 2019
Photo: Nick Wightman

Orthochilus euanthus

Miombo woodland
Lilayi Lodge
Dec 2019
Photo: Nick Wightman

Orthochilus euanthus

Miombo woodland
Lilayi Lodge
Dec 2019
Photo: Nick Wightman

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Synonyms: Eulophia abyssinica var. euantha (Schltr.) Geerinck
Eulophia euantha Schltr.
Eulophia speciosa Rolfe. nom illegit
Common names:
Frequency: Occasional
Status: Native
Terrestrial herb 20-40 cm tall from subterranean irregular shaped tubers 2-2.5 cm long and 1.6-2 cm in diameter forming chains; leaves 1-3, 12-45 cm x 1.5-10 mm, linear and grass-like, acuminate, ribbed, absent or partly developed at flowering; inflorescence densely 4-12 flowered, scape with 3 short sheaths in the basal half; ovary and pedicel c. 10 mm long; bracts spreading, 10-25 mm long, lanceolate; flowers not opening wide, spreading at first and becoming pendulous, white to pale or lilac pink, lip with a large darker blotch; sepals 19-33 x 5-12 mm, oblong, the laterals oblique and slightly keeled on outside; petals 17-25 x 5-9 mm, oblong to oblong elliptic; lip 16-25 x 10-19 mm, 3-lobed, side lobes small, rounded, mid-lobe up to 15 mm wide, transversely oblong to orbicular with a callus of 2 papillate ridges from the base to the junction of the lobes and sparse long papillae on the mid-lobe; spur 2-4 mm long, cylindrical, horizontal or incurved.
Type location:
Derivation of specific name:
Habitat: Miombo woodland and grassland on woodland margins.
Altitude range: 850 - 1650 m
Flowering time:Nov - Dec
Worldwide distribution: From Burundi and Tanzania south to DRC, Zambia, Malawi and Mozambique.
Zambian distribution (Flora Zambesiaca): N,W,C,E
Zambian distribution (Provinces): Cb,N,E,C
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Wednesday 12 February 2020

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 323.

La Croix, I. & Cribb, P.J. (1998). Orchidaceae (Part 2) Flora Zambesiaca 11(2) Page 505. (Includes a picture).

La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 305. (Includes a picture).

Martos, F., Johnson, S.D., Peter, C.I & Bytebier, B. (2014). A molecular phylogeny reveals paraphyly of the large genus Eulophia (Orchidaceae): A case for the reinstatement of Orthochilus Taxon 63(1) Page 19.

Moriarty, A. (1975). Wild Flowers of Malawi Purnell & sons Cape Town. Pages 41 - 42. As Eulophia euantha (Includes a picture).

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

Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 154 - 155. As Eulophia euantha (Includes a picture).

Other sources of information about Orthochilus euanthus:

Our websites:

Flora of Malawi: Orthochilus euanthus
Flora of Mozambique: Orthochilus euanthus

External websites:

African Plants: A Photo Guide (Senckenberg): Orthochilus euanthus
African Plant Database: Orthochilus euanthus
BHL (Biodiversity Heritage Library): Orthochilus euanthus
EOL (Encyclopedia of Life): Orthochilus euanthus
ePIC (electronic Plant Information Center): Orthochilus euanthus
Flora Zambesiaca web site: Orthochilus euanthus
GBIF (Global Biodiversity Information Facility): Orthochilus euanthus
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Orthochilus euanthus
iNaturalist: Orthochilus euanthus
IPNI (International Plant Names Index): Orthochilus euanthus
JSTOR Plant Science: Orthochilus euanthus
Kew Herbarium catalogue: Orthochilus euanthus
Kew Monocotyledon checklist: Orthochilus euanthus
Mansfeld World Database of Agricultural and Horticultural Crops: Orthochilus euanthus
Plants of the World Online: Orthochilus euanthus
Tropicos: Orthochilus euanthus
Wikipedia: Orthochilus euanthus

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-21

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2021). Flora of Zambia: Species information: Orthochilus euanthus.
https://www.zambiaflora.com/speciesdata/species.php?species_id=174080, retrieved 6 December 2021

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