Striga bilabiata (Thunb.) Kuntze

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Photo: Bart Wursten
Along road to Mawenje Lodge-Outward Bound, Chimanimani

Photo: Bart Wursten
Maonza, Vumba

Photo: Bart Wursten
Kopje Tops, Mavhuradonha Wilderness Area

Photo: Bart Wursten
Close to Inyangombe Falls

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Synonyms:	Buchnera bilabiata Thunb. Striga thunbergii Benth.
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Description:	Erect, annual herb, 10-55 cm tall. It is a root parasite of grasses. Stems usually unbranched, pubescent with whitish hairs. Leaves opposite, erect along the stem, linear-lanceolate, 5-20 mm long, with rough, thick-based hairs. Flowers in dense terminal spikes, several flowers open at the same time. Bracts lanceolate, imbricate, ciliate hairy on margins and midrib. Calyx tube 2-3 mm long; lobes distinctly 5-veined. Corolla more or less distinctly 2-lipped, pink, violet or whitish; tube up to 11 mm long, angled just below the lobes; lower lobes c. 4 mm long, all narrow. Capsule c. 3 × 1.5 mm.
Notes:
Derivation of specific name:	bilabiata: 2-lipped.
Habitat:
Altitude range:
Flowering time:	Oct - Feb and May - June.
Worldwide distribution:	Angola, Botswana, Namibia, DRC, Malawi, Mozambique, Zimbabwe, Eswatini, Lesotho, and Mpumalanga, Free State, KwaZulu-Natal, Eastern Cape, South Africa. Other varieties occur in East and West Africa.
Growth form(s):
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Red data list status:
Insects associated with this species:
Spot characters:	Display spot characters for this species
Literature:	Bandeira, S., Bolnick, D. & Barbosa, F. (2007). Wild Flowers of Southern Mozambique Universidade Eduardo Mondlane, Maputo, Mozambique Page 182. (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 53. As Striga bilabiata bilabiata Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 34. As Striga bilabiata bilabiata Kirby, G. (2013). Wild Flowers of Southeast Botswana Struik Nature, Cape Town South Africa Page 327. (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 78. Under Scrophulariaceae Philcox, D. (1990). Scrophulariaceae Flora Zambesiaca 8(2) Pages 128 - 129. Setshogo, M.P. (2005). Preliminary checklist of the plants of Botswana. Sabonet Report no. 37. Sabonet, Pretoria and Gaborone Page 105. Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 226. Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 96.

Other sources of information about Striga bilabiata:

Our websites:

Flora of Botswana: Striga bilabiata
Flora of Caprivi: Striga bilabiata
Flora of Malawi: Striga bilabiata
Flora of Mozambique: Striga bilabiata
Flora of Zambia: Striga bilabiata
Flora of Zimbabwe: Striga bilabiata

External websites:

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