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''Euphorbia prostrata'' is a species of euphorb known by the common name prostrate sandmat. It is native to the Caribbean and certain parts of South America. It is widely naturalized in many other parts of the world, where it can be found in varied habitat types and in many areas grows as a roadside weed. ==Description== ''Euphorbia prostrata'' is an annual herb producing slender prostrate stems up to approximately long, sometimes purple-tinted in color.〔(Aluka Profile )〕 The oval-shaped leaves are up to long with finely toothed edges. The inflorescence is a cyathium less than wide, with white petal-like appendages surrounding the actual flowers. There are four male flowers and a single female flower, the latter developing into a lobed, hairy fruit wide. ''E. prostrata'' is similar to both ''Euphorbia maculata'' and ''Euphorbia serpens'', but is often hairy on the leaves and stems, while the latter two species are often smooth. It differs from ''E. maculata'' by its less elongated and less lanceolate leaves. ''E. serpens'' by contrast has much more rounded leaves than ''E. prostrata'' with relatively larger and more conspicuous flowers. The flowers of ''E. prostrata'' do not typically show the white "petals" seen in ''E. serpens'' or ''E. maculata'' and thus flowers are hard to detect in the former species. Only ''E. maculata'' shows dark spots in the center of each leaf, but this is not always present in that species. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Euphorbia prostrata」の詳細全文を読む スポンサード リンク
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