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

[FTEA]

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

Morphology General Habit
Annual herb, with spreading branches suberect to 25 cm. high, the whole plant often tinged red, very sparsely covered with long spreading hairs, the upper side of the branches in addition with shorter adpressed hairs.
Morphology Leaves
Leaves ovate to 18 × 12 mm., base very obliquely subcordate, apex subacute, margin distinctly toothed, with the teeth apparently gland-tipped; petiole to 2 mm. long; stipules 0.75 mm. long, deeply divided into 2–3 linear teeth.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia solitary, on peduncles to 2.5 mm. long, terminal and pseudoaxillary on leafy shoots, 1 × 1 mm., with cup-shaped involucres; glands 4, transversely elliptic, ± 0.3 mm. wide, red, with obvious, deeply 3–6-lobed pink or red appendages; involucral lobes broadly triangular, margin ciliate.
sex Male
Male flowers:bracteoles linear, deeply divided; stamens 1 mm. long.
Morphology Reproductive morphology Flowers
Female flower:ovary pedicellate; styles 0.3 mm. long, spreading, bifid almost to the base. Male flowers:bracteoles linear, deeply divided; stamens 1 mm. long.
sex Female
Female flower:ovary pedicellate; styles 0.3 mm. long, spreading, bifid almost to the base.
Morphology Reproductive morphology Fruits
Capsule exserted on a reflexed pedicel 1.25 mm. long, 3-lobed, with broadly truncate base, 1.5 × 2 mm.
Morphology Reproductive morphology Seeds
Seeds ovoid, 1 × 0.75 mm., reddish brown, with 3 distinct transverse ridges.
Habitat
Open Brachystegia woodland on sandy stony soil; 1000–1400 m.
Distribution
T5 T7

[FZ]

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

Morphology General Habit
Annual herb to 25 cm high with spreading branches, the whole plant sparsely covered with long spreading hairs, the upper side of the branches with shorter appressed hairs in addition.
Morphology Leaves
Leaves with a petiole to 2 mm long; stipules 0.75 mm long, deeply divided into 2–3 linear teeth; lamina to 18 × 12 mm, ovate, subacute at the apex, very obliquely subcordate at the base, distinctly toothed with teeth apparently gland-tipped on the margin.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia terminal and pseudoaxillary on leafy shoots, solitary on peduncles to 2.5 mm long, 1 × 1 mm with cup-shaped involucres; glands 4, c. 0.3 mm wide, transversely elliptic, red, with obvious, deeply 3–6-lobed pink or red appendages; involucral lobes broadly triangular, margin ciliate.
sex Male
Male flowers; bracteoles linear, deeply divided; stamens 1 mm long.
Morphology Reproductive morphology Flowers
Female flower: ovary pedicellate; styles 0.3 mm long, spreading, bifid almost to the base. Male flowers; bracteoles linear, deeply divided; stamens 1 mm long.
sex Female
Female flower: ovary pedicellate; styles 0.3 mm long, spreading, bifid almost to the base.
Morphology Reproductive morphology Fruits
Capsule exserted on a reflexed pedicel 1.25 mm long, 1.5 × 2 mm, 3-lobed with broadly truncate base.
Morphology Reproductive morphology Seeds
Seeds 1 × 0.75 mm, ovoid, with 3 distinct transverse ridges, reddish-brown.

Native to:

Malawi, Tanzania

Euphorbia serratifolia S.Carter appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Polhill, R. [1163], Tanzania K000252957 holotype
Bidgood, S. [6240], Tanzania K000468185

First published in Kew Bull. 35: 413 (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.
  • 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

  • S. Carter in KB. 35: 413, fig. 1/A–D (1980).

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