Orthosiphon allenii (C.H. Wright) Codd

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Orthosiphon allenii

Picture: Bart Wursten
Mtoroshanga Pass

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Synonyms: Icomum hockii De Wild.
Plectranthus allenii C.H. Wright
Common names:
Status: Native
Erect perennial herb, up to c. 30 cm tall, growing from a small woody rootstock. Roots with small tubers, up to 3 cm long. Stems 4-angled, with appressed hairs and scattered sessile glands, usually denser towards the inflorescence. Leaves usually strictly in a basal rosette, sometimes also 1-2 pairs of leaves along the stem, elliptic up to 12 × 5 cm, mostly hairless but gland-dotted; margin sinuate-crenate; petiole 5-20 mm long. Inflorescence with many 6-flowered verticils, 10-25 mm apart. Corolla pink to mauve, sometimes with white markings, 2-lipped; lower lip cup-shaped, enclosing the stamens.
Type location:
Derivation of specific name:
Habitat: In seasonally flooded grassland, sometimes in Brachystegia woodland.
Altitude range:
Flowering time:
Worldwide distribution: DRC, Tanzania, Malawi, Mozambique, Zambia and Zimbabwe.
Zambian distribution (Flora Zambesiaca): N,W,C,E
Zambian distribution (Provinces): Cb,Lp,N,E,C
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Paton, A.J. et al. (2009). Lamiaceae Flora of Tropical East Africa Page 181.

Paton, A.J. et al. (2013). Lamiaceae Flora Zambesiaca 8(8) Pages 147 - 148.

Other sources of information about Orthosiphon allenii:

Our websites:

Flora of Malawi: Orthosiphon allenii
Flora of Mozambique: Orthosiphon allenii
Flora of Zimbabwe: Orthosiphon allenii

External websites:

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

Copyright: Mike Bingham, Annette Willemen, Bart Wursten, Petra Ballings and Mark Hyde, 2011-24

Bingham, M.G., Willemen, A., Wursten, B.T., Ballings, P. and Hyde, M.A. (2024). Flora of Zambia: Species information: Orthosiphon allenii.
https://www.zambiaflora.com/speciesdata/species.php?species_id=164640, retrieved 16 June 2024

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