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

[FZ]

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

sex Male
Male flowers: pedicels 1 mm long, slender; buds tetragonal-subglobose, subglabrous, greenish, sometimes reddish-tinged; anthers yellowish-cream. Male racemes axillary, solitary, up to 18 cm long on a peduncle up to 5 cm long, dense flowered; axis glandular-pubescent; bracts 3 mm long, linear, glandular-pubescent.
Morphology Reproductive morphology Inflorescences
Female spike terminal, rarely also 1–2 spikes axillary in the upper axils, up to 10 cm long with a peduncle 3–5 cm long; bracts accrescent to 1.3 × 2 cm, transversely ovate, acuminate, repand-dentate, densely stipitate-glandular on the margin, evenly so without, glabrous within, viscid, yellowish-green, 1-flowered. Male racemes axillary, solitary, up to 18 cm long on a peduncle up to 5 cm long, dense flowered; axis glandular-pubescent; bracts 3 mm long, linear, glandular-pubescent.
Morphology Reproductive morphology Flowers
Female flowers sessile; sepals 3, 1 mm long, ovate, glandular-ciliate; ovary 1 mm in diameter, 3-lobed, pubescent towards the apex and also with 1–2 stipitate glands; styles 2–4 mm long, ± free or united at the base, laciniate, glabrous or sparingly pubescent, green, yellow or red. Male flowers: pedicels 1 mm long, slender; buds tetragonal-subglobose, subglabrous, greenish, sometimes reddish-tinged; anthers yellowish-cream.
sex Female
Female flowers sessile; sepals 3, 1 mm long, ovate, glandular-ciliate; ovary 1 mm in diameter, 3-lobed, pubescent towards the apex and also with 1–2 stipitate glands; styles 2–4 mm long, ± free or united at the base, laciniate, glabrous or sparingly pubescent, green, yellow or red. Female spike terminal, rarely also 1–2 spikes axillary in the upper axils, up to 10 cm long with a peduncle 3–5 cm long; bracts accrescent to 1.3 × 2 cm, transversely ovate, acuminate, repand-dentate, densely stipitate-glandular on the margin, evenly so without, glabrous within, viscid, yellowish-green, 1-flowered.
Morphology Reproductive morphology Fruits
Fruits 3 × 4 mm, deeply 3-lobed, sparingly pubescent, dark green, sordid.
Morphology Reproductive morphology Seeds
Seeds 2.5 × 2 mm, subglobose, smooth, dark grey or pale straw-coloured, ecarunculate.
Morphology General Habit
A perennial caespitose herb or suffrutex 15–50(90) cm tall; stems annual from a rhizomatous woody rootstock, several, erect, sometimes decumbent or semiprostrate, simple or occasionally few-branched, channelled, viscid glandular-pubescent, burned back each year.
Morphology Leaves Petiole
Petioles 1–3 cm long.
Morphology Leaves Leaf lamina
Leaf blades 2–13.5 × 1–5(7) cm, ovate-rhombic, ovate-lanceolate or oblong-lanceolate, subacute or obtuse and sometimes mucronulate at the apex, serrate to subentire on the margins, rounded to truncate or cordulate at the base, chartaceous, sparingly to evenly hirsute or pubescent on both surfaces, especially along the midrib and main veins, sometimes also sparingly glandular-pubescent on upper surface, 5–9-nerved from the base; tertiary nerves parallel; lateral nerves in 6–9(13) pairs.
Morphology Leaves Stipules
Stipules 5–8 mm long, linear-subulate, glandular-pubescent.

Native to:

Botswana, Malawi, Mozambique, Zambia, Zimbabwe

Acalypha allenii Hutch. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Allen, C.E.F. [238], Zimbabwe K000431085

First published in Bull. Misc. Inform. Kew 1911: 229 (1911)

Accepted by

  • Calane da Silva, M., Izdine, S. & Amuse, A.B. (2004). A Preliminary Checklist of the Vascular Plants of Mozambique: 1-184. SABONET, Pretoria.
  • 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.

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