Gymnosperms Archive

Ephedra

Occurrence Ephedra is an arid plant. It is found in Europe, Western and Central Asia and Central and South America. It is also found in arid areas of Pakistan. Ephedra is source of drug Ephedrine. It is used for the …

Pinus

Occurrence The genus Pinus has about 90 species. It has world wide in distribution. They are mostly present in the temperate regions. Four species of pinus are found in Pakistan: Pinus wallichiana; Pinus halepensis; Pinus roxburghil; Pinus gerardiana. General structure …

Cycas

Systematic Position Division: Gymnospermae Class      : Cycadophyta Order     : Cycadales Family   : Cycadaceae Genus    : Cycas Occurrence Cycas has a limited distribution. It is found in south East Asia, South China, Southren India, South Japan and Australia. …