Home | > | List of families | > | Lamiaceae | > | Haumaniastrum | > | villosum |
Synonyms: |
Acrocephalus cylindraceus Oliv. Acrocephalus picturatus S. Moore Acrocephalus verbenaceus Vatke Acrocephalus villosus Benth. Haumaniastrum cylindraceum (Oliv.) Cufod. |
Common names: | |
Frequency: | Frequent |
Status: | Native |
Description: |
Annual or short-lived perennial herb, up to 1.6 m. Stems erect or ascending, quadrangular, sometimes with adventitious roots at base, pubescent, more densely so above; hairs often bluish. Leaves opposite, elliptic or ovate, up to 12 × 5 cm, sparsely pubescent; veins diverging from midvein; margin subentire or serrate, sometimes rolled under; petioles up to 12 mm long. Upper leaves subtending heads up to 5 cm long, uniformly green or blue or yellow to whitish at base or all over. Flowerheads 5-30 mm long, 5-12 mm in diameter with 6-flowered verticils. Calyx 1-2 mm long, extending up to 5 mm in fruit, sometimes purplish, hairy. Corolla white, pink or blue, 3-7 mm long; tube 2.5-5 mm; upper lip 3-lobed with mid-lobe entire or minutely notched. Nutlets dark brown, 1 mm long. |
Notes: | The degree of branching in the inflorescence and the colour of the bracts have previously been used to divide this species but these characters are variable throughout most of its distribution. |
Derivation of specific name: | |
Habitat: | Grassland and open woodland but also found on disturbed ground, usually in moist areas. |
Altitude range: (metres) | Up to 2100 m |
Flowering time: | |
Worldwide distribution: | Guinea, Nigeria, Cameroon, Central African Republic, Rwanda, Burundi, Zaire, Sudan, Ethiopia, Uganda, Kenya, Tanzania, Mozambique, Zambia, Zimbabwe, Angola, Madagascar. |
Zimbabwe distribution: | N,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: | Friday 9 September 2011 |
Literature: |
Baumann, G. (2005). Photographic Guide to Wildflowers of Malawi Wildlife and Environmental Society of Malawi Pages 156 - 157. as Haumanniastrum callianthum (Includes a picture). Burrows, J.E. & Willis, C.K. (eds) (2005). Plants of the Nyika Plateau Southern African Botanical Diversity Network Report No. 31 SABONET, Pretoria Page 184. (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 30. 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 55. Paton, A.J. et al. (2013). Lamiaceae Flora Zambesiaca 8(8) Pages 184 - 186. (Includes a picture). Strugnell, A.M. (2006). A Checklist of the Spermatophytes of Mount Mulanje, Malawi Scripta Botanica Belgica 34 National Botanic Garden of Belgium Page 112. as Haumaniastrum callianthum |
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