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Synonyms: |
Nautochilus amabilis Bremek. Nautochilus breyeri Bremek. Nautochilus labiatus (N.E. Br.) Bremek. Nautochilus urticifolia Bremek. Orthosiphon labiatus N.E. Br. Orthosipon amabilis (Bremek.) Codd |
Common names: | Shell bush (English) |
Frequency: | |
Status: | Native |
Description: |
Robust shrub-like perennial, up to 2.5 m tall, not aromatic or sometimes described as aromatic. Branches quadrangular, becoming woody near the base, covered with with short more or less spreading hairs. Leaves ovate, 1-3 cm long, sometimes pubescent with small sessile glands; margin crenate; petiole 1-2 cm long. Inflorescences lax with 2-6-flowered verticels. Bracts ovate 5 mm long, hooded, obscuring the young buds. Calyx c. 4 mm long with a rounded upper tooth and long pointed lower teeth. Calyx and teeth expanding in fruit 8-11 mm long. Corolla pale pinkish-purple 7-10 mm long; lower lip boat-shaped, 5-8 mm long, both lips forming right angles with the corolla tube. |
Notes: | A robust, long-flowering and hardy plant. |
Derivation of specific name: | labiatus: lipped |
Habitat: | fringes of riverine and evergreen forest. |
Altitude range: (metres) | 800 - 1500 m |
Flowering time: | |
Worldwide distribution: | Zimbabwe, Eswatini and Limpopo, Mpumalanga, KwaZulu-Natal, South Africa. |
Zimbabwe distribution: | W,C,E,S |
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: | Thursday 30 June 2016 |
Literature: |
Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 41. As Orthosiphon labiatus Chapano, C. & Mugarisanwa, N.H. (2003). Plants of the Matobo District National Herbarium and Botanic Garden, Zimbabwe Page 27. As Orthosiphon labiatus Fabian, A. & Germishuizen, G. (1997). Wild Flowers of Northern South Africa. Fernwood Press, Vlaeburg. Pages 346 - 347. as Orthosiphon labiatus (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 56. as Orthosiphon labiatus Paton, A.J. et al. (2013). Lamiaceae Flora Zambesiaca 8(8) Pages 134 - 135. Pooley, E. (1998). A Field Guide to the Wild Flowers of KwaZulu-Natal and the Eastern Region. Natal Flora Publications Trust. Durban. Pages 428 - 429. as Orthosiphon labiatus (Includes a picture). |
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