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This species is accepted, and its native range is E. Tanzania to Mozambique.

[FTEA]

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

Morphology General Habit
Annual semi-prostrate herb, with branches to 25 cm. long, often red tinged, pilose with short curved adpressed hairs.
Morphology Leaves
Leaves ovate-oblong, to 25 × 8 mm., base obliquely rounded to subcordate, apex obtuse to rounded, margin entire or very obscurely toothed, glabrous or almost so above, thinly pilose beneath, slightly glaucous, paler beneath; petiole to 2 mm. long, pilose; stipules lanceolate, 1 mm. long, pilose.
Morphology Reproductive morphology Inflorescences Cyathia
Cyathia ± 5 clustered together in terminal and axillary cymes, with peduncles to 1 mm. long; bracts similar to, but much smaller than the leaves. Cyathia ± 1.3 × 1.25 mm., with barrel-shaped pilose involucres; glands 4, minute, circular, red, with minute red appendages; lobes acutely triangular, minute.
Morphology Reproductive morphology Flowers
Male flowers:bracteoles filamentous; stamens 1.5 mm. long. Female flower:ovary pedicellate; styles 0.5 mm. long, erect, bifid almost to the base.
sex Male
Male flowers:bracteoles filamentous; stamens 1.5 mm. long.
sex Female
Female flower:ovary pedicellate; styles 0.5 mm. long, erect, bifid almost to the base.
Morphology Reproductive morphology Fruits
Capsule exserted on a reflexed pilose pedicel 2 mm. long, acutely 3-lobed, with truncate base, 2 × 2.5 mm., densely pilose with very short, curved, adpressed hairs.
Morphology Reproductive morphology Seeds
Seeds ovoid, 1.2 mm. × 0.75 mm., pinkish brown, with 3 or 4 obscure transverse ridges.
Habitat
Seasonally wet grassland, in clay; 0–600 m.
Distribution
T3 T4 T6 T8 not known elsewhere

[FZ]

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

sex Male
Male flowers: bracteoles filamentous; stamens 1.5 mm long.
Morphology Reproductive morphology Flowers
Female flower: ovary pedicellate, pilose; styles 0.2–0.3 mm long, erect, bifid almost to the base. Male flowers: bracteoles filamentous; stamens 1.5 mm long.
sex Female
Female flower: ovary pedicellate, pilose; styles 0.2–0.3 mm long, erect, bifid almost to the base.
Morphology Reproductive morphology Fruits
Capsule exserted on a reflexed pedicel to 1.5 mm long, 1.8 × 2 mm, acutely 3-lobed with a truncate base, densely pilose with short, curved appressed hairs.
Morphology Reproductive morphology Seeds
Seeds 1.1 × 0.8 mm, ovoid, 4-angled, with shallow transverse ridges, pinkish-brown.
Morphology General Habit
Annual herb, semi-prostrate, with branches to 45 cm long, becoming woody towards the base, pilose with short, curved, appressed hairs.
Morphology Leaves
Leaves with a petiole to 1.5 mm long; stipules to 1 mm long, linear, pilose; lamina to 25 × 8 mm, ovate-oblong, apex obtuse, margin entire, glabrous or almost so above, thinly pilose beneath.
Morphology Reproductive morphology Inflorescences
Cymes clustered into short leafy axillary shoots; cyathia c. 1.3 × 1.25 mm with pilose barrel-shaped involucres; peduncles to 1 mm long; glands 4, minute, circular, with minute red appendages; lobes minute, triangular.

Native to:

Malawi, Mozambique, Tanzania

Euphorbia kilwana N.E.Br. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Bidgood, S.C. [423], Tanzania K000453296

First published in D.Oliver & auct. suc. (eds.), Fl. Trop. Afr. 6(1): 507 (1911)

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

  • N.E. Br. in Flora of Tropical Africa 6(1): 507 (1911).

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

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