| Euphorbia heterophylla L., it is an annual herb, up to 90 cm tall. Leaves mostly opposite, all petiolate, the petioles up to 4 cm long. Leaf-blades variable, elliptic-obovate to elliptic-oblanceolate or sometimes narrowly-lanceolate, 1-15 x 0.5-8 cm, the upper often narrower than the lower, acute, subacute or obtuse at the apex, cuneate or rounded-cuneate at the base, entire, denticulate or dentate, lateral nerves up to 20 pairs, subglabrous and dull green above, sparingly-puberulous and paler beneath, the upper leaves sometimes faintly purplish-blotched at the base. Stipules sessile, glandular. Inflorescence a pseudo-dichasium or rarely a triradiate pseudopleiochasium, with the cyathia aggregated together in dense terminal clusters. Glands 1-2 (-3), stipitate, circular, concave. Fruits roundly trilobate, 4-4.5 x 5-5.5 mm, smooth, glabrous. Styles connate at the base, 1 mm long, bifid. Seeds is quadrangular-ovoid, basally truncate, 2-2.5 x 1.5-2 mm, coarsely bluntly tuberculate, dark brown. Life Form: Th, Flowering in: Apr-May, Vern:———–, Phytochoria: Pal, The native range of this species is Central & S. U.S.A. to Tropical & Subtropical America. Notes: Introduced in Libya?????
For more information: https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:30062970-2, https://www.ipni.org/n/30062970-2, https://www.worldfloraonline.org/taxon/wfo-0000962515, https://www.gbif.org/species/3064495, https://africanplantdatabase.ch/en/nomen/specie/105763/euphorbia-heterophylla-l, https://www.cabidigitallibrary.org/doi/10.1079/cabicompendium.23313, https://keyserver.lucidcentral.org/weeds/data/media/Html/euphorbia_heterophylla.htm, https://tropical.theferns.info/viewtropical.php?id=Euphorbia+heterophylla, https://flora.org.il/en/plants/euphet/, https://en.wikipedia.org/wiki/Euphorbia_heterophylla |
| Distribution in Libya |
| Al-Jafarah Plain |
| Tripoli 1978 |
| Bibliographic references: | |
| First: Encyclopedia Flora of Libyan: | |
| Jafri, S.M.H. & El-Gadi, A. (1982) Flora of Libya, Euphorbiaceae Vol. (89) Department of Botany, Al-Faateh Univ., Tripoli, Libya. | |
| Second: Researches and PhD theses, master theses, Sorted by Newest: | pdf files |
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