pharmacognosy mahmoud sallam pharmacy pharmaceutical practical pharmacognosy al-azhar pharmacy dr mahmoud sallam clove pharma al-azhar introduction fruits m.d.e sallam flowers mahmood sallam caryophyllus aromatica eugenia cinchona wood bark elixir محمود سلام student cairo university inflorescence plants العقاقير botany vulgare foeniculum umbelliferae apiacea mericarp cremocarp schizocarpic schizocarp samara achene fennel fruit cassia leaf practical t.s. angustifolia t.s eucalyptus acutifolia ts morphology rosemary officinalis senna leaves salvia sage powder funicle macroscopical orthoplocous raphe anatropous ovule seeds seed microscopical funiclus testa compylotropous micropyle hilum amphitropous atropous structure castor hibiscus chamomile lavender
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