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Synonyms: |
Coleus grandis L.H. Cramer Plectranthus barbatus Andrews var. grandis (L.H. Cramer) Lukhoba & A.J.Paton Plectranthus comosus sensu auctt. Plectranthus grandis (L.H. Cramer) R.H. Willemse |
Common names: | |
Frequency: | Rare escape |
Status: | Cultivated and occasionally becoming naturalised. |
Description: |
Robust herbaceous shrub to 3 m tall with erect or ascending stems. Leaves petiolate: lamina elliptic to ovate, pubescent to lanate with red sessile glands, succulent, soft, often variegated in cultivated specimens, with green and variegated leaves sometimes on the same plant; margin serrate or crenate. Inflorescence lax with c. 10 whorls of 5-7 flowered cymes. Corolla 8-26 mm long, blue or purple. |
Notes: | This species is widely cultivated as a garden ornamental and is occasionally naturalised as an escape. |
Derivation of specific name: | barbatus: bearded; grandis: of great size, referring to this variety being taller than var. barbatus. |
Habitat: | In disturbed places. |
Altitude range: (metres) | |
Flowering time: | |
Worldwide distribution: | From Eritrea and Ethiopia south to Tanzania. |
Zimbabwe distribution: | C |
Growth form(s): | |
Endemic status: | |
Red data list status: | |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Literature: |
Lukhoba, C.W. & Paton, A.J. (2003). A new species and new variety in Plectranthus L'Hér. (Labiatae) from Eastern Africa Kew Bulletin 58 Pages 913 - 917. As Plectranthus barbatus var. grandis 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 barbatus Paton, A.J., Mwanyambo, M., Govaerts, R.H.A., Smitha, K., Suddee, S., Phillipson, P.B., Wilson, T.C., Forster, P.I., Culham, A. (2019). Nomenclatural changes in Coleus and Plectranthus (Lamiaceae): a tale of more than two genera Phytokeys 129 Pages 24 - 25. |
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