Compilation
Euphorbia geniculata

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Name

Identification
Euphorbia geniculata Ortega [family EUPHORBIACEAE ]
Related name
  • Euphorbia geniculata

Flora

Entry for EUPHORBIA heterophylla L. [family EUPHORBIACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Somalia
Resource Type
Reference Sources
Entry From
Flora Somalia, Vol 1, (1993) Author: by S. Carter (Euphorbia, Monadenium), M. G. Gilbert (Acalypha, Andrachne, Antidesma, Bridelia, Caperonia, Cephalocroton, Chrozophora, Clutia, Dalechampia, Flueggea, Givotia, Manihot, Meineckia, Micrococca, Oldfieldia, Phyllanthus, Ricinus, Suregada, Tragia), and M. Thulin (Croton, Drypetes, Erythrococca, Excoecaria, Jatropha, Spirostachys and Thecacoris) [updated by M. Thulin 2008]
Names
EUPHORBIA heterophylla L. [family EUPHORBIACEAE], (1753).
EUPHORBIA geniculata Ortega [family EUPHORBIACEAE], (1797).
Information
Annual herb to 60 cm high, with branches glabrous to sparsely pilose towards the apices. Leaves ovate, to 6 x 3 cm, margin with minute distant gland-tipped teeth, both surfaces, especially the lower, sparsely pilose with septate hairs, glabrescent; petiole to 2 cm long; stipular glands purplish. Cyathia densely clustered in terminal and axillary cymes, forking 2–5 times with progressively shorter rays from 5 cm to 2 mm long; basal bracts similar to the leaves but progressively smaller and subsessile above. Cyathia glabrous, 3.5 mm in diam.; gland peltate, funnel-shaped with a circular opening 1.2 mm wide, often red-rimmed. Styles 1 mm long. Capsule exserted on a recurved pedicel 6 mm long, deeply 3-lobed, 4.5 x 5.5 mm. Seeds conical with acute apex, 2.6 x 2.4 mm, bluntly tuberculate, blackish brown.
Range
S1, 2 naturalized throughout tropical Africa, a pantropical weed originating from Central America.
Altitude range
0–375 m.
Distribution
SOMALIA Beckett 1490B; Eagleton 97.

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