Trichomes morphology as a taxonomic marker in the subfamily heliotropioideae (Boraginaceae) from Pakistan and Kashmir
2009
Perveen, A. (Karachi Univ. (Pakistan). Dept. of Botany)
Trichomes morphology of the subfamily Heliotropioideae (Boraginaceae) representing by 18 species has been examined by light and scanning microscope. Within the subfamily Heliotropioideae I-celled unicellular and two celled uniseriate trichomes are observed. Shape of the trichomes usually conical with pointed tips and distinct trichomes base. However, few species have indistinct trichomes base. The data is significantly useful at specific and generic level within the subfamily Heliotropioideae.
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