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This species is accepted, and its native range is Tanzania (Mwanza).
A specimen from Kew's Herbarium

[FTEA]

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

Morphology General Habit
Tree to 6 m. high; trunk simple or occasionally forked, to 30 cm. in diameter, with brown, cracking bark; branches spreading then ascending and rebranching to form a large rounded crown; terminal branches fleshy, (3–)4–5(–6)-angled, 3–7 cm. wide, distinctly winged, constricted at irregular intervals into pear-shaped segments 5–15 cm. long; angles sinuately toothed, with teeth ± 1 cm. apart.
Morphology General Spines
Spine-shields contiguous to form a horny margin 2–5 mm. wide, becoming corky; spines 3–10 mm. long, shorter at the constrictions; prickles absent or vestigial.
Morphology Leaves
Leaves deltoid, ± 1.5 × 1.5 mm.
Morphology Reproductive morphology Inflorescences
Cymes 2–4 in a horizontal line at the flowering eye 3–5 mm. above the spines, 1-forked, subsessile, with cyathia arranged vertically; bracts rounded, ± 2.5 × 3 mm.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia ± 2.5 × 5 mm., with cup-shaped involucres; glands transversely oblong, ± 1 × 2 mm., almost touching, yellow; lobes subcircular, ± 1 × 1 mm.
Morphology Reproductive morphology Flowers
Male flowers:bracteoles deeply laciniate, plumose; stamens 4.3 mm. long. Female flower:perianth 3-lobed, to 2 mm. long; styles 4.5 mm. long, joined for 2.8 mm., apices thickened, rugose, minutely bifid.
sex Male
Male flowers:bracteoles deeply laciniate, plumose; stamens 4.3 mm. long.
sex Female
Female flower:perianth 3-lobed, to 2 mm. long; styles 4.5 mm. long, joined for 2.8 mm., apices thickened, rugose, minutely bifid.
Morphology Reproductive morphology Fruits
Capsule subsessile, distinctly 3-lobed, with truncate base, ± 6 × 9 mm., green becoming red.
Morphology Reproductive morphology Seeds
Seeds subglobose, 2.6 mm. in diameter, yellowish brown, smooth.
Habitat
On rocky outcrops near the lake shore; 1025–1200 m.
Distribution
T1 not known elsewhere

Native to:

Tanzania

Euphorbia hubertii Pax appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Apr 2, 1985 Burtt, B.D. [5537], Tanzania K000452879
Bally, P.R.O. [E. 214], Tanzania 2070.000
Balslev, H. [410], Tanzania K000452875
Balslev, H. [408], Tanzania K000452880
Verdcourt, B. [2885], Tanzania K000452881
Greenway, P.J. [10741], Tanzania K000452882
Bally, P.R.O. [E218], Tanzania K000452877
Bally, P.R.O. [E214], Tanzania K000452878

First published in Jahresber. Schles. Ges. Vaterl. Cult. 89(2b): 1 (1911 publ. 1912)

Accepted by

  • 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.
  • Yang, Y., Riina, R., Morawetz, J.J., Haevermans, T., Aubriot, X. & Berry, P.E. (2012). Molecular phylogenetics and classification of Euphorbia subgenus Chamaesyce (Euphorbiaceae) Taxon 61: 764-789.

Literature

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. 212 (1949).
  • Pax in Jahres. Schles. Ges. 89, Abt. 2b: 1 (1912).

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