Plectranthus lanuginosus (Hochst.) Agnew

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Plectranthus lanuginosus

Photo: Bart Wursten
Nr summit of Mt Rukotso, Nyanga

Plectranthus lanuginosus

Photo: Bart Wursten
Nr summit of Mt Rukotso, Nyanga

Plectranthus lanuginosus

Photo: Neil Crouch
Base camp to hut; Chimanimani N.P.

Plectranthus lanuginosus

Photo: Neil Crouch
Base camp to hut; Chimanimani N.P.

Plectranthus lanuginosus

Photo: Bart Wursten
Castle Beacon, Vumba

Plectranthus lanuginosus

Photo: Bart Wursten
Castle Beacon, Vumba

Plectranthus lanuginosus

Photo: Bart Wursten
Castle Beacon, Vumba

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Species details: Click on each item to see an explanation of that item (Note: opens a new window)

Synonyms: Coleus helenae Buscal. & Muschl.
Coleus lanuginosus Benth.
Coleus maculatus Gürke
Coleus maranguensis Gürke
Common names:
Frequency: Locally frequent
Status: Apparently introduced
Description:
Somewhat fleshy, aromatic perennial herb 30-100 cm high, rarely taller when scrambling and supported. Stems quadrangular, often purplish, prostrate or scrambling, set with purplish, spreading hairs and glands. Leaves fleshy, spreading, triangular-ovate, 15-75 mm long, with numerous sessile glands beneath; margin coarsely crenate-serrate, weakly rolled under, sometimes purplish; petiole 10-30 mm long. Inflorescence lax usually purplish, with 6-12-flowered whorls up to 30 mm apart; pedicels 3-6 mm long. Calyx 3-4 mm long with purple hairs and red sessile glands. Corolla pale blue to mauve, often with dark purple markings, 8-16 mm long; lobes with purplish hairs and red sessile glands. lower lip boat-shaped, 6-12 mm long, longer than upper lip.
Notes: This species is native in East Africa and apparently has been introduced in Eastern Zimbabwe. It is however not common or weedy and regularly found in otherwise little undisturbed natural environments.
Derivation of specific name:
Habitat: Amongst rocks at high altitudes.
Altitude range: (metres) 1500 - 2000 m
Flowering time:
Worldwide distribution: DRC, Rwanda, Uganda, Ethiopia, Eritrea, Somalia, Kenya and northern Tanzania. Introduced in eastern Zimbabwe.
Zimbabwe distribution: E
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Images last updated: Sunday 4 August 2019
Literature:

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.

Paton, A.J. et al. (2013). Lamiaceae Flora Zambesiaca 8(8) Pages 278 - 279.

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


Other sources of information about Plectranthus lanuginosus:

External websites:

African Plants: A Photo Guide (Senckenberg): Plectranthus lanuginosus
African Plant Database: Plectranthus lanuginosus
BHL (Biodiversity Heritage Library): Plectranthus lanuginosus
EOL (Encyclopedia of Life): Plectranthus lanuginosus
ePIC (electronic Plant Information Center): Plectranthus lanuginosus
Flora Zambesiaca web site: Plectranthus lanuginosus
GBIF (Global Biodiversity Information Facility): Plectranthus lanuginosus
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network): Plectranthus lanuginosus
iNaturalist: Plectranthus lanuginosus
IPNI (International Plant Names Index): Plectranthus lanuginosus
JSTOR Plant Science: Plectranthus lanuginosus
Kew Herbarium catalogue: Plectranthus lanuginosus
Mansfeld World Database of Agricultural and Horticultural Crops: Plectranthus lanuginosus
Plants of the World Online: Plectranthus lanuginosus
The Plant List (version 1.1): Plectranthus lanuginosus
Tropicos: Plectranthus lanuginosus
Wikipedia: Plectranthus lanuginosus


Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-19

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2019). Flora of Zimbabwe: Species information: Plectranthus lanuginosus.
https://www.zimbabweflora.co.zw/speciesdata/species.php?species_id=149900, retrieved 25 August 2019

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