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

[FTEA]

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

Morphology General Habit
Annual herb to 60 cm. high, glabrous except for short curved adpressed hairs on young growth.
Morphology Leaves
Leaves broadly ovate to 4.5 × 2.5 cm., base cuneate, apex acute, margin closely serrate with small glandular teeth, midrib prominent to winged on the lower surface; petiole to 2 cm. long, somewhat flattened; glandular stipules purplish.
Morphology Reproductive morphology Inflorescences
Cymes axillary and in terminal 3-branched umbels, with primary rays to 9 cm. long; bracts similar to the leaves.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia subsessile, 2.5 × 3.5 mm., with cup-shaped shortly pubescent involucres; glands 4, transversely elliptic, 1 × 1.75 mm., dull yellow; lobes subquadrate, 1 mm. long, margin ciliate.
Morphology Reproductive morphology Flowers
Male flowers:bracteoles fan-shaped, with ciliate apices; stamens 2.5 mm. long. Female flower:ovary densely puberulous; styles 0.5 mm. long, spreading, joined at the base, shortly bifid.
sex Male
Male flowers:bracteoles fan-shaped, with ciliate apices; stamens 2.5 mm. long.
sex Female
Female flower:ovary densely puberulous; styles 0.5 mm. long, spreading, joined at the base, shortly bifid.
Morphology Reproductive morphology Fruits
Capsule shortly exserted on a puberulous pedicel 2 mm. long, subglobose, with shallow longitudinal grooves along the sutures, base truncate, 5 × 5.5 mm., puberulous with short adpressed hairs.
Morphology Reproductive morphology Seeds
Seeds ovoid, very obscurely 4-angled, 3.25 × 2.25 mm., apex obtuse, smooth, shiny black, with a white granular patch below the apex.
Habitat
Black clay soil amongst grass in scattered Acacia bushland; 100–1500 m
Distribution
not known elsewhere T1 T5

Native to:

Tanzania

Euphorbia lutosa S.Carter appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Greenway, P.J. [11532], Tanzania K000252968 holotype

First published in Kew Bull. 35: 416 (1980)

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 35: 416, fig. 2/A–C (1980).

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