Ypsilopus erectus (P.J. Cribb) P.J. Cribb & J.L. Stewart

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Photo: Petra Ballings
Castleburn Cliffs, Vumba

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Synonyms:	Ypsilopus longifolius (Kraenzl.) Summerh. subsp. erectus P.J. Cribb Ypsilopus sp. (Williamson 1545) of Williamson, Orch. S. Centr. Africa: 209 (1977). Ypsilopus sp. no. 1 sensu Grosvenor (1976)
Common names:
Frequency:
Status:	Native
Description:	Elegant epiphytic or occasionally lithophytic herb. The short stem is normally hidden by roots and old leaf bases. The linear leaves are up to 15 cm long and stand in an erect fan. Three to six inflorescences arise below the leaves. Each spike carrying up to 12 white flowers with curved greenish spurs of 45 mm in length.
Notes:
Derivation of specific name:	erectus: erect
Habitat:	Growing in Brachystegia woodland on rocky mountain slopes.
Altitude range:	1000 - 1800 m
Flowering time:	Mar - Apr
Worldwide distribution:
Malawi distribution:	N,S
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:	Sunday 13 September 2015
Literature:	Ball, J.S. (1978). Southern African Epiphytic Orchids. Conservation Press, Johannesburg. Pages 236 - 237. as Ypsilopus longifolia subsp. erecta (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 59. Cribb, P.J. (1977). New orchids from South Central Africa Kew Bulletin 32(1) Pages 176 - 180. as Ypsilopus longifolia subsp. erecta (Includes a picture). Grosvenor, R.K. (1976). A list of orchids indigenous in Rhodesia. Excelsa 6 Page 86. as Ypsilopus 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 456 - 458. (Includes a picture). La Croix, I. et al. (1983). Malawi Orchids Volume 1 Epiphytic Orchids National Fauna Preservation Society of Malawi Pages 144 - 145. as Ypsilopus longifolia (Includes a picture). La Croix, I. et al. (1991). Orchids of Malawi A.A. Balkema, Rotterdam Page 297. (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. Morris, B. (1970). Epiphytic Orchids of Malawi The Society of Malawi Page 102. as Ypsilopus longifolia Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 125. Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 142. Williamson, G. (1977). The Orchids of South Central Africa J.M. Dent & Sons Ltd., London. Pages 208 - 209. as Ypsilopus sp (Williamson 1545) (Includes a picture). Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 85.

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Flora of Mozambique: Ypsilopus erectus
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Flora of Zimbabwe: Ypsilopus erectus

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African Plants: A Photo Guide (Senckenberg): Ypsilopus erectus
BHL (Biodiversity Heritage Library): Ypsilopus erectus
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iNaturalist: Ypsilopus erectus
IPNI (International Plant Names Index): Ypsilopus erectus
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Mansfeld World Database of Agricultural and Horticultural Crops: Ypsilopus erectus
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Tropicos: Ypsilopus erectus
Wikipedia: Ypsilopus erectus