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This species is accepted, and its native range is Ethiopia to Burundi.
A specimen from Kew's Herbarium

[FTEA]

Euphorbiaceae, A. R.-Smith. Flora of Tropical East Africa. 1987

Morphology General Habit
A prostrate, procumbent, ascending or scandent woody herb or subshrub up to 3 m. tall, but commonly not exceeding 1 m.
Morphology Stem
Stems subglabrous, sparingly to densely puberulous or hirsute or both, tomentose or villous, green, later becoming reddish brown.
Morphology Leaves
Petioles (0.2–)1–5(–8) cm. long, hairy ± as the stems; leaf-blade ovate, triangular-ovate or elliptic-ovate, 1–9.5 cm. long, 0.5–6 cm. wide, acutely, subacutely or obtusely gradually acuminate, rounded, truncate or shallowly cordate, crenate-serrate, membranous to thinly chartaceous, 5–7-nerved from the base, lateral nerves (4–)5–7 pairs, subglabrous or sparingly puberulous, pubescent or setose above, more evenly or sometimes densely so beneath, particularly along the midrib and main veins, yellow-green.
Morphology Leaves Stipules
Stipules linear-filiform, 2–4 mm. long, sparingly pubescent or subglabrous, sometimes with 1–2 sessile glands near the base.
Morphology Reproductive morphology Inflorescences
Inflorescences ± spicate, axillary, rarely terminal on lateral few-leaved branches, solitary, up to 11 cm. long, with a terminal ♂ portion borne on a peduncle up to 4.5 cm. long, with 1(–3) bracteate ♀ flowers at the base of the ♂ peduncle, and sometimes also with a basal allomorphic ♀ flower borne on a very slender hair-like pedicel up to 3 cm. long arising from near the point of insertion of the bracteate ♀ flower, rarely the inflorescence unisexual; axis sparingly to densely puberulous or pubescent; ♂ bracts minute; ♀ bracts leaf-like, strongly accrescent, broadly ovate or reniform, flattened out, 0.5–1.5 cm. long, 0.7–2 cm. wide, obtuse or subacute, cordate, crenate-serrate, subglabrous or sparingly pubescent above and beneath, 1(–2)-flowered, the second sometimes abortive.
sex Male
Male flowers subsessile or shortly pedicellate; buds 4-gonous, glabrous, granulose on the angles, red.
Morphology Reproductive morphology Flowers
Allomorphic ♀ flowers (where present) nodding on the pedicel, obovoid, crowned or not with an apical fimbriate whorl, sparingly to densely pubescent. Female flowers sessile; sepals 3, ovate, 0.3 mm. long; ovary trilobate, 0.5 mm. diameter, tubercled, densely hirsute; styles ± free to the base, 4–5 mm. long, laciniate, red. Male flowers subsessile or shortly pedicellate; buds 4-gonous, glabrous, granulose on the angles, red.
sex Female
Allomorphic ♀ flowers (where present) nodding on the pedicel, obovoid, crowned or not with an apical fimbriate whorl, sparingly to densely pubescent. Female flowers sessile; sepals 3, ovate, 0.3 mm. long; ovary trilobate, 0.5 mm. diameter, tubercled, densely hirsute; styles ± free to the base, 4–5 mm. long, laciniate, red.
Morphology Reproductive morphology Fruits
Fruits trilobate, 1.5–2 mm. long, 2.5–3 mm. diameter, slightly tuberculate, sparingly hirsute above.
Morphology Reproductive morphology Seeds
Seeds ovoid, 1.3 mm. long, 1 mm. wide, smooth, brown, with a small narrow caruncle.
Habitat
Forest undergrowth, edges and associated bushland and grassland, extending into drier country along rivers and in rocky places, also on disturbed ground; 765–3000 m.
Distribution
K1 K2 K3 K4 K5 K6 K7 T1 T2 T3 U3

Native to:

Burundi, Ethiopia, Kenya, Somalia, Sudan, Tanzania, Uganda

Acalypha volkensii Pax appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Volkens, G. [419], Tanzania K000431079
Greenway, P.J. [10691], Tanzania K000452751
Carmichael [1198], Tanzania K000452760
Geilinger, (.D.r.). [s.n.], Tanzania K000452753
Newbould, J.B. [6151], Tanzania K000452755
Newbould, J.B. [6420], Tanzania K000452756
Drummond, R.B. [2148], Tanzania K000452765
Richards, H.M. [21856], Tanzania K000452761
Archbold, M.E. [197], Tanzania K000452766
Richards, M. [20025], Tanzania K000452757
Greenway, P.J. [12408], Tanzania K000452759
Semsei, S.R. [3954], Tanzania K000452767
Abdallah, R. [96/127], Tanzania K000452769
Faulkner, H.G. [4619], Tanzania K000452764
Newbould, J.B. [5772], Tanzania K000452754
Richards, M. [23950], Tanzania K000452762
Borhidi, A. [85164], Tanzania K000452770
Pocs, T. [88143F], Tanzania K000452763
Richards, H.M. [26403], Tanzania K000452752
Richards, M. [20390], Tanzania K000452758
Richards, H.M. [22014], Tanzania K000452768

First published in H.G.A.Engler, Pflanzenw. Ost-Afrikas, C: 239 (1895)

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.
  • Govaerts, R. (1995). World Checklist of Seed Plants 1(1, 2): 1-483, 1-529. MIM, Deurne.
  • Govaerts, R., Frodin, D.G. & Radcliffe-Smith, A. (2000). World Checklist and Bibliography of Euphorbiaceae (and Pandaceae) 1-4: 1-1622. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Flora of Tropical East Africa

  • A. Engler & O. Drude, Die Vegetation Der Erde, IX, Pflanzenwelt Afrikas 3(2): 98 (1921).
  • A.D.Q. Agnew, Upland Kenya Wild Flowers p. 215 (1974).
  • F. W. Andr., The Flowering Plants of the Anglo-Egyptian Sudan2: 54 (1952).
  • Hutch. in Flora of Tropical Africa 6(1): 908 (1912).
  • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 198 (1949).
  • Pax in A. Engler, Das Pflanzenreich IV. 147 (16): 129 (1924).
  • Pax in Die Pflanzenwelt Ost-Afrikas und der Nachbargebiete, Theile C: 239 (1895).

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