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This species is accepted, and its native range is S. DR Congo to N. Zambia.
A specimen from Kew's Herbarium

[FZ]

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

Morphology General Habit
Geophyte with a tuberous subglobose root 2–6 × 2.5–8 cm.
Morphology Stem
Stems annual, single, unbranched, up to 30(110) cm high, scabrid.
Morphology Leaves
Leaves subsessile, to 5–7 × 1.5 cm, lanceolate, margin entire, midrib keeled beneath with a fleshy crenulate ridge; stipules c. 0.5 mm long, glandular.
Morphology Reproductive morphology Inflorescences
Cymes axillary, 1–2-forked, on peduncles 5–20 mm long; cyme branches c. 2–4 mm long; bracts free, slightly longer than the cyathia, c. 5–8 × 5 mm, ovate, acute at the apex, whitish with green veining.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia 4–6 × 3–4 mm, with barrel-shaped involucres; glandular rim 1.5 mm high, crenulate, white; lobes c. 1.5 × 2 mm, rounded, fimbriate.
sex Male
Male flowers: bracteoles 2 mm long, filamentous; stamens 4 mm long.
Morphology Reproductive morphology Flowers
Female flower: styles 1.5 mm long, with thickened bifid apices. Male flowers: bracteoles 2 mm long, filamentous; stamens 4 mm long.
sex Female
Female flower: styles 1.5 mm long, with thickened bifid apices.
Morphology Reproductive morphology Fruits
Capsule 4.5–5 × 3.5–4 mm, oblong, deeply lobed, smooth, exserted on a reflexed pedicel 4.5 mm long.
Morphology Reproductive morphology Seeds
Seeds c. 2.75 × 1.25 mm, oblong, 4-angled, densely and minutely verrucose, dark brown; caruncle c. 1.5 mm in diameter, cap-like, shortly stipitate, pale yellow.

Native to:

Zambia, Zaïre

Euphorbia herbacea (Pax) Bruyns appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Malaisse [7646], Congo, DRC Monadenium herbaceum 49516.000
Malaisse [7632], Congo, DRC Monadenium herbaceum 49518.000
Kassner [2489], Congo, DRC Monadenium herbaceum K000253452 holotype

First published in Taxon 55: 413 (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

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