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Synonyms: |
Canthium ngonii Bridson Canthium pseudoverticillatum sensu R.B. Drumm. |
Common names: | Manica spurred Canthium (English) |
Frequency: | |
Status: | Native |
Description: |
Shrub or very small tree up to 2 m tall; bark dark brown, sometimes with a greyish tinge. Leaves restricted to the apex of short lateral spurs or well spaced along new branchlets. Leaves on older growth elliptic to broadly elliptic, 2–5 cm long; leaves on young branchlets narrowly elliptic, 2–6.5 cm long, papery, hairless; lateral veins in 3 main pairs; hair-tuft domatia present; petiole up to 2 mm long; stipules 2.5–4 mm long when young, triangular at base with a linear lobe occasionally somewhat spathulate at the tip, usually becoming corky and losing the lobe when mature. Flowers 5-merous, in 1–5-flowered clusters restricted to the lateral spurs. Calyx 0.75 mm long, hairless. Corolla yellowish; tube 1 mm long with fine dense hairs inside; lobes ovate, 1.5 mm long, slightly thickened at the apex. Fruit almost square in lateral view, slightly tapered towards the base, indented at the apex, 8–9 mm wide. |
Notes: | |
Derivation of specific name: | ngonii: after John Ngoni, Zimbabwean botanist who collected the type specimen. |
Habitat: | In riverine or evergreen forest and high rainfall woodland. |
Altitude range: (metres) | 460 - 1130 m |
Flowering time: | |
Worldwide distribution: | Restricted to lower altitude at the southern and southeastern end of the Chimanimani Mts in Mozambique and Zimbabwe. |
Zimbabwe distribution: | E |
Growth form(s): | |
Endemic status: | Near Endemic |
Red data list status: | Vulnerable |
Insects associated with this species: | |
Spot characters: | Display spot characters for this species |
Literature: |
Bridson, D.M. (1998). Rubiaceae, Part 2 Flora Zambesiaca 5(2) Pages 321 - 322. as Canthium ngonii and Canthium pseudoverticillatum pseudoverticillatum (Includes a picture). Burrows, J.E., Burrows, S.M., Lötter, M.C. & Schmidt, E. (2018). Trees and Shrubs Mozambique Publishing Print Matters (Pty), Cape Town. Page 921. (Includes a picture). Chapano, C. & Mamuto, M. (2003). Plants of the Chimanimani District National Herbarium and Botanic Garden, Zimbabwe Page 11. As Canthium ngonii Coates Palgrave, K. (revised and updated by Meg Coates Palgrave) (2002). Trees of Southern Africa 3rd edition. Struik, South Africa Page 1091. as Canthium ngonii Da Silva, M.C., Izidine, S. & Amude, A.B. (2004). A preliminary checklist of the vascular plants of Mozambique. Southern African Botanical Diversity Network Report No. 30 Sabonet, Pretoria Page 99. as Canthium ngonii Darbyshire, I., Timberlake, J., Osborne, J., Rokni, S., Matimele, H., Langa. C., Datizua, C., de Sousa, C., Alves, T., Massingue, A., Hadj-Hammou, J., Dhanda, S., Shah, T., Wursten, B. (2019). The endemic plants of Mozambique: diversity and conservation status Phytotaxa 136 Page 92. Drummond, R.B. (1975). A list of trees, shrubs and woody climbers indigenous or naturalised in Rhodesia. Kirkia 10(1) Page 276. As Canthium pseudoverticillatum Golding, J.S. (ed.) (2002). Zimbabwe Plant Red Data List. Southern African Plant Red Data Lists. SABONET 14 Page 168. as Canthium ngonii Mapaura, A. (2002). Endemic Plant Species of Zimbabwe. Kirkia 18(1) Page 145. as Canthium ngonii 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 71. as Canthium ngonii |
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