ANGIOSPERMS
\ˈaŋɡɪˌɒspɜːmz], \ˈaŋɡɪˌɒspɜːmz], \ˈa_ŋ_ɡ_ɪ__ˌɒ_s_p_ɜː_m_z]\
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Any member of the more than 250,000 species of flowering plants (division Magnoliophyta) having roots, stems, leaves, and well-developed conductive tissues (xylem and phloem). Angiosperms are often differentiated from gymnosperms by their production of seeds within a closed chamber (the ovary). The Magnoliophyta division is composed of two classes, the monocotyledons (Liliopsida) and dicotyledons (Magnoliopsida).
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Word of the day
tinctura quininae ammoniata
- A preparation made by dissolving quinin sulphate in alcohol [Br. Ph.].