Research Article

Histochemical Investigation and Kinds of Alkaloids in Leaves of Different Developmental Stages in Thymus quinquecostatus

Figure 3

(a)-(b) Surface view of young leaves of T. quinquecostatus. (a) A lot of capitate trichomes dyed yellow. (b) Peltate trichomes showed colourless after dyed. (c) A peltate trichome showed yellow after dyed. (d) Transverse section of a young leaf of T. quinquecostatus, showing the head of a peltate trichome dyed yellow. (e) Transverse section of a young leaf of T. quinquecostatus, showing the head of a capitate trichome dyed yellow. (f) Surface view of a nearly mature leaf of T. quinquecostatus, showing capitates trichomes and the peltate trichomes dyed yellow.
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