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

[FZ]

Euphorbiaceae, S. Carter & L.C. Leach. Flora Zambesiaca 9:5. 2001

Morphology General Habit
Sturdy shrub, erect, up to 3 m high, glabrous.
Morphology Stem
Stem sparsely branched, with smooth bark.
Morphology Branches
Branches c. 1.5 cm in diameter, with shallow tubercles below the leaf scars in 5 longitudinal series, each crowned by a stout curved spine up to 8 mm long.
Morphology Leaves
Leaves crowded at branch tips, sessile, up to 12 × 3.5 cm, oblanceolate, irregularly toothed on the margins, bright green, midrib keeled on lower surface; stipules 1 mm long, weakly spiny.
Morphology Reproductive morphology Inflorescences
Cymes 3–6-forked; peduncles up to 10 cm long, longitudinally ridged; cyme branches to 5 cm long, pubescent especially when young; bracts with prominent midribs and shortly pubescent towards the base, yellowish-green, joined in a bract-cup c. 1 × 1.5 cm, notched almost to the base between rounded apices.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia c. 10 × 5 mm, with barrel-shaped involucres, pubescent; glandular rim to 6 mm high, yellow; lobes c. 5 × 2 mm, oblong, deeply toothed, pubescent.
Morphology Reproductive morphology Flowers
Male flowers: bracteoles few, filamentous, plumose, c. 4 mm long; stamens 7 mm long. Female flower: styles 3 mm long, joined at the base, deeply bifid at the apex.
sex Male
Male flowers: bracteoles few, filamentous, plumose, c. 4 mm long; stamens 7 mm long.
sex Female
Female flower: styles 3 mm long, joined at the base, deeply bifid at the apex.
Morphology Reproductive morphology Fruits
Capsule c. 5.5 × 4.5 mm, obtusely lobed, pubescent at the base, exserted on a pedicel to c. 4 mm long.
Morphology Reproductive morphology Seeds
Seeds 3 × 1.5 mm, oblong, 4-angled, densely verrucose, pale grey; caruncle cap-like, 1 mm in diameter, stipitate.

[FTEA]

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

Morphology General Habit
Sturdy succulent shrub erect to 3 m., with sparsely branched stem and smooth brown bark; branches ± 1.5 cm. thick, with shallow tubercles immediately beneath the leaf-scars in ± 5 longitudinal series, prominent on young growth, less so with age, each crowned by a stout curved spine to 8 mm. long.
Morphology Leaves
Leaves sessile, obovate to oblanceolate, to 12 × 3.5 cm., apex obtuse, margin prominently and irregularly toothed, midrib keeled on the lower surface, lamina bright green; stipules evident as acutely triangular weak spines to 1 mm. long.
Morphology Reproductive morphology Inflorescences
Cymes on peduncles to 10 cm. long, longitudinally ridged, pubescent towards the apex, 3–6-forked, with cyme-branches to 5 cm. long, progressively shorter and more densely pubescent above; bract-cup ± 1 × 1.5 cm., notched almost to the base between rounded apices and prominent midribs, shortly pubescent towards the base, yellowish green.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia ± 10 × 5 mm., with barrel-shaped involucres narrowed at the top, pubescent; glandular rim 5–6 mm. high, glabrous, yellow; lobes oblong, ± 5 × 2 mm., divided to halfway into 3–4 segments, pubescent.
Morphology Reproductive morphology Flowers
Male flowers:bracteoles reduced to 2–3 plumose filaments; stamens 7 mm. long. Female flower:styles very slender, 3 mm. long, joined at the base, with scarcely thickened bifid apices.
sex Male
Male flowers:bracteoles reduced to 2–3 plumose filaments; stamens 7 mm. long.
sex Female
Female flower:styles very slender, 3 mm. long, joined at the base, with scarcely thickened bifid apices.
Morphology Reproductive morphology Fruits
Capsule exserted on a pedicel to 4 mm. long, obtusely 3-lobed, ± 5.5 × 4.5 mm., pubescent at the base.
Morphology Reproductive morphology Seeds
Seeds oblong, 4-angled, truncate at both ends, 3 × 1.5 mm., pale grey, densely tuberculate; caruncle pointed, stipitate, 1 mm. in diameter.
Habitat
On granite, with deciduous woodland; 300–400 m.
Distribution
T8 known in Tanzania from this one area only

Native to:

Mozambique, Tanzania

Euphorbia torrei (L.C.Leach) Bruyns appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Sep 4, 1972 Torre [11790], Mozambique Monadenium torrei K000253497 isotype
Pfennig [1199], Tanzania Monadenium torrei 39236.000
Bally, P.R.O. [16936], Tanzania Monadenium torrei K000453185

First published in Taxon 55: 415 (2006)

Accepted by

  • Govaerts, R.H.A. (2011). World checklist of selected plant families published update Facilitated by the Trustees of the Royal Botanic Gardens, Kew.

Flora Zambesiaca
Flora Zambesiaca
http://creativecommons.org/licenses/by-nc-sa/3.0

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