Cyphostemma viscosum (Gilg & R.E. Fr.) Desc. ex Wild & R.B. Drumm.

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Cyphostemma viscosum

Habit
Miombo woodland
Mutuwila Farm, Kabwe Distr.
Feb 2023
Photo: Nick Wightman

Cyphostemma viscosum

Stem
Miombo woodland
Mutuwila Farm, Kabwe Distr.
Feb 2023
Photo: Nick Wightman

Cyphostemma viscosum

Leaves
Miombo woodland
Mutuwila Farm, Kabwe Distr.
Feb 2023
Photo: Nick Wightman

Cyphostemma viscosum

Leaf Dicoid Glands
Miombo woodland
Mutuwila Farm, Kabwe Distr.
Feb 2023
Photo: Nick Wightman

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Synonyms: Cissus viscosa Gilg & Fr.
Common names:
Frequency: Locally common
Status: Native
Description:
Erect herb up to 1 m tall growing from a large tuberous rootstock. Stems stout, very viscid with subsessile capitate glands and stalked glands; tendrils absent. Leaves 3-foliolate; petiole up to 5 cm long, glandular like the stems; leaflets large, up to 38 x 16 cm, narrowly obovate, obovate or elliptic, apex acute or obtuse, base cuneate, margins crenate or undulate-crenate, glabrous above except for sessile glands, whitish-tomentellous beneath; petiolules up to 3 cm long; stipules up to 3 cm long, ovate-acuminate, viscid with sessile glands. Cymes terminal, trichotomous; peduncle up to 8 cm long, indumentum as for stems; pedicels up to 2 mm long, puberulous and glandular. Flower buds c. 3 mm long, oblong-cylindric, constricted just above the middle, puberulous and with subsessile glands. Petals green. Fruit plum-coloured, c. 1.8 x 1.2 cm (fresh), ellipsoid but tapering slightly to the apex, puberulous and glandular with subsessile and stalked glands. Seed 1, c. 1 x 0.7 cm, ellipsoid with a dorsal crest, surface rugose and rough.
Type location:
Zambia, Bangweulu
Notes:
Derivation of specific name: viscosum: glutinous or sticky, referring to the feeling of touching the leaves or stems
Habitat: Brachystegia and Chipya woodlands
Altitude range:
Flowering time:Oct - Nov
Worldwide distribution: Zambia and Zimbabwe
Zambian distribution (Flora Zambesiaca): B,N,W,C,S
Zambian distribution (Provinces): Nw,N,Lk,S,W
Growth form(s): Perennial.
Endemic status: Near Endemic
Red data list status:
Insects associated with this species:
Spot characters: Display spot characters for this species
Content last updated: Tuesday 14 March 2023
Literature:

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 83.

Wild, H. & Drummond, R.B. (1966). Vitaceae Flora Zambesiaca 2(2) Pages 470 - 471.

Other sources of information about Cyphostemma viscosum:

Our websites:

Flora of Zimbabwe: Cyphostemma viscosum

External websites:

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


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: Cyphostemma viscosum.
https://www.zambiaflora.com/speciesdata/species.php?species_id=138230, retrieved 21 April 2024

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