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Palynological studies of Artemisia linn. from Murree and Hazara

Palynological studies of Artemisia linn. from Murree and Hazara

Abdul Samad Mumtaz, Mir Ajab Khan and Tanweer Akhtar

ABSTRACT

Palynological studies of twelve species of the genus Artemisia Linn. (family Asteraceae) were analyzed. Pollen grains in each species differ, especially of those, which resemble in their plant forms (gross morphology). Characters like pollen shape, polar diameter 'P', equatorial diameter 'E', 'P/E' ratio, exine thickness and pore diameter are found considerably important. Artemisia japonica and A. desertorum are distinguished due to pollen grain size and the absence of operculum on the pore of A. dubia is distinguished due to pollen grain size and the absence of operculum on the pore of A. desertorum. A dubia is distinguished from its closely resembling species due to its double columella layer in its exine. Therefore, palynological studies in this genus are potentially significant in species delimitation.

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Pakistan Journal of Forestry

June

Vol. 74, Iss. 1

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