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

[FTEA]

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

Morphology General Habit
Loosely tufted succulent perennial to 30 cm. high and ± 50 cm. in diameter, branching densely at the base from a thick fleshy root; branches to 30 cm. long, 1.5 cm. thick, cylindrical, sparsely rebranched, with usually prominent teeth, ± 2 cm. apart, in 4–5 longitudinal ± spiral series.
Morphology General Spines
Spinescence grey; spine-shields oblong-triangular, to 10 × 3 mm., decurrent to ± 8 mm. and ± halfway to the shield below; spines single, to ± 2 cm. long; prickles rudimentary to 1.5 mm. long.
Morphology Leaves
Leaves deltoid, ± 2.5 × 1.5 mm.
Morphology Reproductive morphology Inflorescences
Cymes solitary, 1-forked, with peduncles and cyme-branches 1–3 mm. long; bracts deltoid, ± 1.5 × 1.5 mm.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia ± 2.5 × 5 mm., with funnel-shaped involucres; glands transversely rectangular, ± 1 × 2.5 mm., contiguous, greenish yellow; lobes transversely elliptic, ± 1 × 2 mm.
sex Male
Male flowers:bracteoles fan-shaped, denticulate; stamens 4.5 mm. long.
Morphology Reproductive morphology Flowers
Female flower:styles 1.5 mm. long, joined at the base, spreading, with thickened rugose apices. Male flowers:bracteoles fan-shaped, denticulate; stamens 4.5 mm. long.
sex Female
Female flower:styles 1.5 mm. long, joined at the base, spreading, with thickened rugose apices.
Morphology Reproductive morphology Fruits
Capsule subsessile, obtusely 3-lobed, ± 3 × 4 mm., buff.
Morphology Reproductive morphology Seeds
Mature seeds not seen.
Habitat
On rocky usually volcanic soils in wooded grassland; 1200–1780 m.
Distribution
not known elsewhere K3 K4 K6 T2

Native to:

Kenya, Tanzania

Euphorbia similiramea S.Carter appears in other Kew resources:

Date Reference Identified As Barcode Type Status
May 14, 1984 Glover, P.E. [4065], Kenya K000238254
May 14, 1984 Verdcourt, B. [3160], Kenya K000238255
May 14, 1984 Polhill [210], Kenya K000238257
May 14, 1984 Bally, P.R.O. [B9762], Kenya K000238258
May 14, 1984 ERP [74], Kenya K000238259
May 14, 1984 Verdcourt, B. [3014], Kenya K000238260
May 14, 1984 Gillett, J.B. [18103], Kenya K000238263
May 14, 1984 Perdue, R.E. [10237], Kenya K000238264
May 14, 1984 Newton, L.E. [4580], Kenya K000238270
May 14, 1984 Greenway, P.J. [4350], Tanzania K000238267
May 14, 1984 Newton, L.E. [3955], Kenya K000238261
May 14, 1984 Glover, P.E. [3012], Kenya K000238262
May 14, 1984 Luke, W.R.Q. [3189], Kenya K000238266
May 14, 1984 Bally, P.R.O. [B5252], Kenya K000238256
May 14, 1984 Hansen, O.J. [838], Kenya K000238265
May 14, 1984 Richards, H.M. [26588], Tanzania K000238268
May 14, 1984 Richards, H.M. [27231], Tanzania K000238269
Bally, P.R.O. [12402], Kenya 2052.000
Verdcourt, B. [3014], Kenya 4346.000
Polhill, R. [1029], Tanzania K000253032 holotype

First published in Kew Bull. 42: 371 (1987)

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.

Literature

Flora of Tropical East Africa

  • S. Carter in Kew Bulletin 42: 371 (1987).

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