Coleus thyrsoideus Baker

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Coleus thyrsoideus

Photo: Neil Crouch
Red Wall Cave, Chimanimani N.P.

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Synonyms: Plectranthus thyrsoideus (Baker) B. Mathew
Common names:
Shrubby perennial herb, up to 90 cm tall. Stems petioles and inflorescence sparsely covered with spreading hairs. Leaves opposite, lowermost largest, up to 17 × 10 cm, ovate-cordate, bright green above, paler beneath with veins prominent, pubescent; lamina decurrent into the c. 2 cm long petiole; margin coarsely toothed. Leaves gradually smaller towards the top of the branches. Inflorescences terminal on the branches, up to 25 cm long, shortly branched, each branch with dense 10-15 flowered dichotomous cymes. Calyx small, with spreading stellate hairs; dorsal sepal linear-oblong, twice as long as other sepals. Corolla 2-lipped, bright blue, 1.2-1.5 cm long. Upper lip reflexed, broadly obovate, with 4 short rounded lobes; lower lip distinctly longer, saccate, laterally compressed, pointed at the apex.
Derivation of specific name:
Altitude range:
Flowering time:
Worldwide distribution: Malawi, Mozambique, Zambia?, Zimbabwe.
Malawi distribution:
Growth form(s): Perennial.
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 189. as Plectranthus thyrsoideus

Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 44. as Plectranthus thyrsoideus

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 56. as Plectranthus thyrsoideus

Paton, A.J. et al. (2013). Lamiaceae Flora Zambesiaca 8(8) Page 258. as Plectranthus thyrsoideus

Wursten, B., Timberlake, J. & Darbyshire, I. (2017). The Chimanimani Mountains: an updated checklist. Kirkia 19(1) Page 93. as Plectranthus thyrsoideus

Other sources of information about Coleus thyrsoideus:

Our websites:

Flora of Mozambique: Coleus thyrsoideus
Flora of Zambia: Coleus thyrsoideus
Flora of Zimbabwe: Coleus thyrsoideus
Flora of Zimbabwe: cultivated Coleus thyrsoideus

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2014-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Malawi: Species information: Coleus thyrsoideus., retrieved 21 February 2024

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