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This species is accepted, and its native range is Tanzania to S. Tropical Africa.
A specimen from Kew's Herbarium

[FTEA]

Vitaceae, Bernard Verdcourt. Flora of Tropical East Africa. 1993

Morphology General Habit
Vigorous climber 1.8–9 m. long or ± shrubby; aerial roots present (fide Hornby 626); stems up to 5 cm. diameter, glabrous, neither square nor developing corky wings, spotted black and granular with raised dots (not on type); bark grey-brown or older stems can be wrinkled and purplish black, lenticels red-brown; tendrils simple (Welwitsch stated apparently without tendrils).
Morphology Leaves
Leaves simple, ovate to broadly ovate, 2.5–9 cm. long, 2–8.5 cm. wide, acuminate at the apex, truncate to cordate at the base, closely sharply serrate, the teeth narrow and tapering ±1.5 mm. long, directed upwards and not spreading, glabrous or with few hairs when young, 3–5-nerved from the base; petiole 1–4.5(–8 on type) cm. long; stipules oblong, 3–4 mm. long, ± auriculate, glabrous.
Morphology Reproductive morphology Inflorescences
Cymes axillary, few-flowered, sparsely branched; peduncle 1–2 cm. long, glabrous or puberulous; pedicels ± 6 mm. long, lengthening to 1.5 cm. in fruit, scurfy puberulous or glabrous.
Morphology General Buds
Flower-buds conical, 3.5 mm. long, glabrous.
Morphology Reproductive morphology Flowers Calyx
Calyx 2.5 mm. wide, entire, puberulous or usually glabrous.
Morphology Reproductive morphology Flowers Corolla
Petals yellow, glabrous.
Morphology Reproductive morphology Fruits
Fruit ellipsoid, 1.5 cm. long, 1 cm. wide.
Morphology Reproductive morphology Seeds
Seed ellipsoid, flattened, 1 cm. long, 6 mm. wide, 4 mm. thick, smooth.
Habitat
Semi-evergreen bushland and woodland, Commiphora-Delonix thicket, Adansonia, Commiphora, Brachystegia associations, usually on large rocky (mostly granite) outcrops; 810–1350 m.
Distribution
T1 T2 T4 T5 T6 T7

[FZ]

Vitaceae, H. Wild and R. B. Drummond. Flora Zambesiaca 2:2. 1966

Morphology General Habit
Vigorous climber; stems cylindric, never quadrangular and not developing corky wings.
Morphology General Tendrils
Tendrils simple.
Morphology Leaves
Leaves simple, glabrous or with a few hairs when young; petiole up to 4·5 cm. long; leaf-lamina up to 9 × 8·5 cm., ovate to broadly ovate, acuminate at the apex, margin serrate with teeth up to 1·5 mm. long, truncate to slightly cordate at the base, 3–5-nerved at the base with 3 or more pairs of secondary nerves; stipules up to 3 mm. long, broadly oblong, glabrous.
Morphology Reproductive morphology Inflorescences
Cymes axillary, few-flowered, sparsely branched; peduncle up to 2 cm. long, glabrous or puberulous; pedicels up to 6 mm. long lengthening to up to 15 mm. in fruit, puberulous to glabrous.
Morphology General Buds
Flower-bud up to 3·5 mm. long, conical, glabrous.
Morphology Reproductive morphology Flowers Calyx
Calyx 1 mm. long, entire, puberulous to glabrous.
Morphology Reproductive morphology Flowers Gynoecium Pistil
Ovary glabrous; style 1·5 mm. long, ± capitate.
Morphology Reproductive morphology Fruits
Fruit 1·5 × 1 cm., ellipsoid.
Morphology Reproductive morphology Seeds
Seed 1, 10 × 6 × 4 mm. flattened, ellipsoid, smooth.

Native to:

Angola, Tanzania, Zambia, Zimbabwe

Cissus welwitschii (Baker) Planch. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Welwitsch [1480], Angola K000322874

First published in A.L.P.P.de Candolle & A.C.P.de Candolle, Monogr. Phan. 5: 489 (1887)

Accepted by

  • Exell, A.W., Fernandes, A. & Wild, H. (eds.) (1966). Flora Zambesiaca 2(2): 353-653. Royal Botanic Gardens, Kew.
  • Figueiredo, E. & Smith, G.F. (2008). Plants of Angola Strelitzia 22: 1-279. National Botanical Institute, Pretoria.
  • Govaerts, R. (1999). World Checklist of Seed Plants 3(1, 2a & 2b): 1-1532. MIM, Deurne.
  • Verdcourt, B. (1993). Flora of Tropical East Africa, Vitaceae: 1-149.

Literature

Flora of Tropical East Africa

  • Exell & Mendonça in Consp. Fl. Angol. 2: 46 (1954).
  • Planch. in A. &: C. DC., Monogr. Phan. 5: 489 (1887).
  • Wild & Drummond in Flora Zambesiaca 2: 451 (1966).
  • Wild, Drummond & Gonçalves in Fl. Moçamb. 50: 18, fig. III/A (1969).

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0