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This species is accepted, and its native range is SE. Kenya to E. Tanzania.
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
A many-stemmed straggling shrub up to 4 m. tall, sometimes developing short shoots.
Morphology Twigs
Older branches sometimes spinescent.
Morphology General Shoots
Young shoots sparingly to densely crisped-puberulous or tomentose.
Morphology Leaves
Petioles up to 2.5 cm. long, evenly to densely crisped-puberulous; leaf-blade ovate to elliptic-ovate, 4–8 cm. long, 2–4.5 cm. wide, obtuse and mucronulate, rounded at the base, serrate to shallowly crenate-serrate, thinly chartaceous, 3(–5)-nerved from the base, lateral nerves 4–6 pairs, sparingly pubescent or subglabrous on the midrib and with dense tufts of hairs in the axils of the main nerves beneath, otherwise glabrous.
Morphology Leaves Stipules
Stipules triangular-subulate, keeled, 2 mm. long, ciliate.
Morphology Reproductive morphology Inflorescences
Inflorescences racemose, borne on long and short shoots, up to 16 cm. long, with the upper half, two-thirds or most of the inflorescence ♀, and the rest ♂; axis sparingly puberulous or quite glabrous; ♂ and ♀ bracts alike, triangular-ovate, 1 mm. long, entire, ciliate.
sex Male
Male flowers shortly pedicellate; buds subglobose, glabrous.
Morphology Reproductive morphology Flowers
Female flowers long-pedicellate, the pedicels up to 5 mm. long in fruit, articulate; sepals 5, ovate-lanceolate, 1 mm. long, acute, subglabrous; ovary subtrilobate, 0.5 mm. diameter, echinate, the spine-like processes gland-tipped, ± glabrous; styles ± free to the base, 5 mm. long, pectinate-laciniate, white. Male flowers shortly pedicellate; buds subglobose, glabrous.
sex Female
Female flowers long-pedicellate, the pedicels up to 5 mm. long in fruit, articulate; sepals 5, ovate-lanceolate, 1 mm. long, acute, subglabrous; ovary subtrilobate, 0.5 mm. diameter, echinate, the spine-like processes gland-tipped, ± glabrous; styles ± free to the base, 5 mm. long, pectinate-laciniate, white.
Morphology Reproductive morphology Fruits
Fruits trilobate, 2.5 mm. long, 4 mm. diameter, densely glandular-echinate, glabrous.
Morphology Reproductive morphology Seeds
Seeds subglobose, 1.5 mm. long, 1.5 mm. wide, smooth, brown, with a small apical caruncle.
Habitat
Riverine forest; 60–300 m.
Distribution
not known elsewhere K7 T3 T6

Native to:

Kenya, Tanzania

Acalypha echinus Pax & K.Hoffm. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Dec 7, 1972 Tanner, R.E.S. [2525], Tanzania K000452448 neotype
Drummond, R.B. [3340], Tanzania K000452447
Mhoro, B. [5667], Tanzania K000452449
G [94195], Tanzania K000452444
Iversen, S.T. [86216], Tanzania K000452445

First published in H.G.A.Engler (ed.), Pflanzenr., IV, 147, XVI: 20 (1924)

Accepted by

  • 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.
  • Muñoz-Rodríguez, P., Cardiel, J.M. & Atha, D. (2014). Acalypha subgenus Linostachys (Euphorbiaceae, Acalyphoideae): a global review Phytotaxa 166: 199-221.

Literature

Kew Backbone Distributions

  • Muñoz-Rodríguez, P., Cardiel, J.M. & Atha, D. (2014). Acalypha subgenus Linostachys (Euphorbiaceae, Acalyphoideae): a global review Phytotaxa 166: 199-221.

Flora of Tropical East Africa

  • J.P.M. Brenan, Check-lists of the Forest Trees and Shrubs of the British Empire no. 5, part II, Tanganyika Territory p. 196 (1949).
  • Pax & K. Hoffm. in A. Engler, Das Pflanzenreich IV. 147(16): 20 (1924).

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