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

[FTEA]

Urticaceae, I. Friis University of Copenhagen, Denmark. Flora of Tropical East Africa. 1989

Morphology General Habit
Liana climbing to a height of 25 m. or more.
Morphology Stem
Stems with numerous adventitious roots; bark of young stems reddish-brown, pubescent to glabrescent, without protuberances and stinging hairs but with numerous large leaf-scars; older stems with glabrous, smooth or striate, reddish-brown bark, usually not peeling; sap abundant, clear.
Morphology Leaves
Leaves:stipules lanceolate, fused for at least 2/3 of their length, 0.7–1.4 cm. long, 0.3–0.5 cm. wide, caducous, dark brown, puberulous outside, especially on the nerves, often ciliate; petiole 1.5–6.5 cm. long, glabrous to pubescent, very rarely with short protuberances and stinging hairs; lamina dark green, drying brownish black, ovate, 7–16.5 cm. long, 4–11.5(–15) cm. wide, base subcordate to cordate, margin crenate-dentate, with more than 35 crenations on each side, apex acuminate, rarely acute; lateral nerves 5–7 pairs, basal pair extending to upper 1/3 of lamina, tertiary nerves and nerves of higher order clearly marked, parallel, forming a scalariform pattern; upper surface glabrous, occasionally with a few stiff hairs, cystoliths punctiform to slightly elongated, lower surface glabrescent to puberulous, especially on the nerves, rarely with the whole surface pubescent, or with a few stinging hairs on the nerves.
Morphology Reproductive morphology Inflorescences
Male inflorescences sessile or on peduncles up to ± 1 cm. long, lax, irregularly paniculate, up to ± 15 cm. in diameter, axes glabrescent to pubescent, sometimes with a few stinging hairs; ♀ inflorescences sessile or on peduncles up to 2 cm. long, up to ± 8 cm. in diameter, glabrescent to pubescent, occasionally with protuberances 1–3 mm. high, bearing stinging hairs.
sex Male
Male flowers in clusters up to ± 0.5 cm. in diameter, on minutely pubescent pedicels 1–2.5 mm. long, articulated below the perianth, 4-merous, perianth ± 2 mm. in diameter.
Morphology Reproductive morphology Flowers
Female flowers sessile to subsessile, densely clustered, on pedicels ± 1 mm. long; perianth-segments 4, basally fused, very unequal, 2 outer short, 2 inner subcircular, almost as long as the ovary; stigma penicillate, protruding. Male flowers in clusters up to ± 0.5 cm. in diameter, on minutely pubescent pedicels 1–2.5 mm. long, articulated below the perianth, 4-merous, perianth ± 2 mm. in diameter.
sex Female
Female flowers sessile to subsessile, densely clustered, on pedicels ± 1 mm. long; perianth-segments 4, basally fused, very unequal, 2 outer short, 2 inner subcircular, almost as long as the ovary; stigma penicillate, protruding.
Morphology Reproductive morphology Fruits
Achene 1–1.5 mm. long, compressed, slightly oblique, brown, minutely granulate, enclosed by the 2 orange-red, fleshy, accrescent perianth-lobes.
Figures
Fig. 2/A–G.
Habitat
Upland rain-forest and bamboo forest, especially in clearings and near edges; (1050–)1500–2950 m.
Distribution
K3 K4 K5 K6 T2 T3 T5 T6 T7 T8 U1 U2 U3

[FZ]

Urticaceae, I. Friis. Flora Zambesiaca 9:6. 1991

Morphology General Habit
A woody liana, climbing to 25 m. or more high.
Morphology Stem
Stems with numerous adventitious roots; bark of young stems reddish-brown, pubescent to glabrescent without protuberances and stinging hairs but with numerous large leaf scars; older stems with glabrous, smooth or striate, reddish-brown bark, usually not peeling; sap copious, clear.
Morphology Leaves
Leaves 10–18 x 7–13 cm., ovate to obovate; apex short acuminate; base rounded to subcordate; margin finely serrate or crenulate, with more than 35 crenulations on each side; lamina dark green, drying brownish black, upper surface glabrous, occasionally with a few stiff hairs, cystoliths dot-like to elongated, lower surface glabrescent to puberulous especially on the nerves, rarely entirely pubescent, or with a few stinging hairs on the nerves; triplinerved with 3–4(5) pairs of lateral nerves, the basal pair extending into upper third of lamina, tertiary nerves and nerves of higher order clearly marked, scalariform.
Morphology Leaves Stipules
Stipules dark brown, triangular to lanceolate, fused for at least two thirds of their length, up to c. 3 mm. long, puberulous, often ciliate.
Morphology Leaves Petiole
Petioles 4–10 cm. long, mostly with a few stinging hairs.
Morphology Reproductive morphology Inflorescences
Inflorescences elongated, lax cymes 4–18 cm. long, usually with numerous stinging hairs. Male inflorescences sessile or on peduncles up to c. 1 cm. long, usually larger than the female; flowers on c. 2 mm. long pedicels, 4-merous, perianth c. 1.5 mm. in diam. Female inflorescences sessile or on peduncles up to c. 2 cm. long; flowers sessile to subsessile, surrounded by stinging hairs, densely clustered, on pedicels c. 1 mm. long, perianth segments 4, basally fused, very unequal, 2 outer short, 2 inner subcircular and almost as long as the ovary, stigma penicillate, protruding.
sex Male
Male inflorescences sessile or on peduncles up to c. 1 cm. long, usually larger than the female; flowers on c. 2 mm. long pedicels, 4-merous, perianth c. 1.5 mm. in diam.
sex Female
Female inflorescences sessile or on peduncles up to c. 2 cm. long; flowers sessile to subsessile, surrounded by stinging hairs, densely clustered, on pedicels c. 1 mm. long, perianth segments 4, basally fused, very unequal, 2 outer short, 2 inner subcircular and almost as long as the ovary, stigma penicillate, protruding.
Morphology Reproductive morphology Fruits
Achene 1–1.5 mm. long, compressed, slightly oblique, brown, minutely granulate, enclosed by the 2 orange-red, fleshy, accrescent perianth lobes.

Native to:

Burundi, Congo, Ethiopia, Kenya, Malawi, Mozambique, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zaïre, Zimbabwe

Urera hypselodendron (Hochst. ex A.Rich.) Wedd. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jan 1, 1996 Etuge, M. [1327], Cameroon K000381634
Tweedie [1557], Kenya 2686.000
Schimper [1136], Ethiopia K000242892
Petit [106], Ethiopia K000242893
Timberlake, J. [5108], Mozambique K000613488

First published in Ann. Sci. Nat., Bot., sér. 3, 18: 203 (1852)

Accepted by

  • Darbyshire, I., Kordofani, M., Farag, I., Candiga, R. & Pickering, H. (eds.) (2015). The Plants of Sudan and South Sudan: 1-400. Kew publishing, Royal Botanic Gardens, Kew.
  • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
  • Friis, I. (1989). Flora of Tropical East Africa, Urticaceae: 1-64.
  • Hedberg, I. & Edwards, S. (eds.) (1989 publ. 1990). Flora of Ethiopia and Eritrea 3: 1-659. The National Herbarium, Addis Ababa University, Ethiopia & The Department of Systematic Botany, Upps.
  • Launert, E. & Cope, G.V. (eds.) (1991). Flora Zambesiaca 9(6): 1-135. Royal Botanic Gardens, Kew.
  • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
  • Robyns, W. & al. (eds.) (1948-1963). Flore du Congo Belge et du Ruanda-Urundi 1-10.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.

Literature

Kew Backbone Distributions

  • Fischer, E., Rembold, K., Althof, A. & Obholzer, J. (2010). Annotated checklist of the vascular plants of Kakamega forest, Western province, Kenya Journal of East African Natural History 99: 129-226.
  • Lejoy, J., Ndjele, M.-B. & Geerinck, D. (2010). Catalogue-flore des plantes vasculaires des districts de Kisangani et de la Tshopo (RD Congo) Taxonomania 30: 1-307.
  • Sita, P. & Moutsambote, J.-M. (2005). Catalogue des plantes vasculaires du Congo, ed. sept. 2005: 1-158. ORSTOM, Centre de Brazzaville.
  • Troupin, G. (ed.) (1978). Flora du Rwanda 1: 1-413. Musee Royal de l'Afrique Centrale.

Flora of Tropical East Africa

  • A.D.Q. Agnew, Upland Kenya Wild Flowers p. 321 (1974).
  • Friis in Nordic Journ. Bot. 5: 551 (1985).
  • Hauman in Flore du Congo Belge et du Ruanda-Urundi, 1: 181 (1948), excl. tab.
  • Rendle in Flora of Tropical Africa 6(2): 255 (1917).
  • Troupin, Fl. Rwanda 1: 153 (1978), excl. fig. 30/2A–C.
  • Wedd. in Ann. Sci. Nat., sér. 3, 18: 203 (1852).

Flora Zambesiaca
Flora Zambesiaca
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Flora of Tropical East Africa
Flora of Tropical East Africa
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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