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

[FZ]

Euphorbiaceae, A. Radcliffe-Smith. Flora Zambesiaca 9:4. 1996

Morphology General Habit
An erect or scandent woody perennial herb or subshrub up to 3 m tall.
Morphology Stem
Stems tomentose, puberulous, hirsute or glandular (var. glandulosa), greenish at first, often becoming reddish-brown.
Morphology Leaves Petiole
Petioles up to 11 cm long, fairly slender.
Morphology Leaves Leaf lamina
Leaf blades 2–15 × 1–8 cm, ovate to ovate-lanceolate, acuminate or often caudate at the apex, crenate or serrate, rounded or cordate at the base, membranous to thinly chartaceous, sparingly to evenly pubescent or hirsute, especially on the midrib and main nerves on both surfaces, or else subglabrous, 5–9-nerved from the base; lateral nerves in 4–6 pairs.
Morphology Leaves Stipules
Stipules 2–4 mm long, linear-lanceolate or setaceous.
Morphology Reproductive morphology Inflorescences
Inflorescences up to 9 cm long, spicate, axillary, solitary or paired, comprised mostly of male flowers, or at least half are male flowers, with 1–several female flowers at the base or in the lower half, rarely terminated by a solitary allomorphic female flower; male bracts minute; female bracts deeply digitately 5–7-partite, the lobes accrescent to up to 8 × 12 mm, linear-lanceolate to ovate-lanceolate, glabrous, pubescent or hirsute, sometimes glandular (var. glandulosa), 1-flowered.
sex Male
Male flowers subsessile; buds rounded to 4-angled, pubescent, reddish; anthers yellowish.
Morphology Reproductive morphology Flowers
Female flowers sessile; sepals 3, 0.5 mm long, ovate, ciliate; ovary 0.3 mm in diameter, somewhat 3-lobed, pubescent and tomentose; styles 2–3 mm long, free, laciniate, white. Allomorphic female flowers (when present) obovoid, with an apical fimbriate whorl, sparingly puberulous. Male flowers subsessile; buds rounded to 4-angled, pubescent, reddish; anthers yellowish.
sex Female
Female flowers sessile; sepals 3, 0.5 mm long, ovate, ciliate; ovary 0.3 mm in diameter, somewhat 3-lobed, pubescent and tomentose; styles 2–3 mm long, free, laciniate, white. Allomorphic female flowers (when present) obovoid, with an apical fimbriate whorl, sparingly puberulous.
Morphology Reproductive morphology Fruits
Fruits 1.5 × 2.5 mm, 3-lobed, ± smooth or slightly tubercled, pubescent above, tomentose below.
Morphology Reproductive morphology Seeds
Seeds 1 × 1 mm, ovoid-subglobose, smooth, brown, with a small velar caruncle.

Native to:

Angola, Burundi, Cameroon, Ethiopia, Kenya, Malawi, Mozambique, Rwanda, Sudan, Tanzania, Uganda, Zambia, Zaïre

Acalypha psilostachya Hochst. ex A.Rich. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Jun 1, 1910 Schimper [560], Ethiopia K000431028 Unknown type material
Ash [1045], Ethiopia 35521.000
Harris, T. [247], Mozambique K000613322
Schimper [560], Ethiopia K000431029 Unknown type material

First published in Tent. Fl. Abyss. 2: 246 (1850)

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.
  • 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.
  • Strugnell, A.M. (2006). A checklist of the Spermatophytes of Mt. Mulanje, Malawi Scripta Botanica Belgica 34: 1-199.

Flora Zambesiaca
Flora Zambesiaca
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