Adenostemma viscosum J.R. Forst. & G. Forst.

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Synonyms: Adenostemma perrottetii DC.
Common names:
Status: Native
Erect to semi-procumbent herb up to 1.3 m; stem fleshy, hairless or sparsely pubescent, sometimes rooting from lower nodes. Leaves ovate to rhomboid, 2–20 cm long, 3-veined from base, hairless or almost so, base sometimes forming narrow wings along petiole; margin crenulate to serrate; petiole 0.7–4 cm long. Inflorescence bracts 0.6–5 cm long at nodes of inflorescence branches. Capitula few to many, c. 3–5 mm long, 4–5 mm diameter when mature; stalks of individual capitula 1.2–2.5 cm, glandular-pubescent; phyllaries 2–3 mm long, flat; margins entire or ciliate, pubescent near the base. Florets c. 30–42, white, 1–1.5 mm long. Achenes 2.2–3 mm long, becoming brown, tuberculate and glandular with maturity; pappus of 3 pegs, less than 1 mm long.
Derivation of specific name: viscosum: viscid, sticky
Altitude range: (metres)
Flowering time:
Worldwide distribution: Widespread in Africa, Mascarenes, India, Sri Lanka, Indonesia, Australia, and Pacific Islands.
Zimbabwe distribution: N,W,E
Growth form(s):
Endemic status:
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species

Beentje, H.J. & Ghazanfar, S.A. (eds.) (2005). Compositae (Part 3) Flora of Tropical East Africa Pages 820 - 821.

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 29.

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 23. as Adenostemma perrottetii

Phiri, P.S.M. (2005). A Checklist of Zambian Vascular Plants Southern African Botanical Diversity Network Report No. 32 Page 27.

Timberlake, J.R. & Childes, S.L. (2004). Biodiversity of the Four Corners Area: Technical Reviews Volume Two (Chapter 5-15) Appendix 5-1: Plant Checklist Occasional Publications in Biodiversity 15 Page 198. as Adenostemma perrottetii

Other sources of information about Adenostemma viscosum:

Our websites:

Flora of Caprivi: Adenostemma viscosum
Flora of Malawi: Adenostemma viscosum
Flora of Mozambique: Adenostemma viscosum
Flora of Zambia: Adenostemma viscosum

External websites:

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

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: Adenostemma viscosum., retrieved 21 April 2019

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