A cikin yawancin tsire-tsire, kawai ƙwayoyin masu tsaro suna da chloroplasts. Chloroplasts suna dauke da kore pigment chlorophyll wanda ake buƙata don photosynthesis. Kwayoyin epidermal na kwayoyin halitta sun fito ne daga sashin kwayoyin halitta wanda aka sani da tunicacular (L1 da L2) wanda ke rufe farfajiyar tsire-tsire, inda cortex da kwayoyin halitta suka tashi daga yanayin yanayi. A cikin waɗannan akwai ƙwayoyin tsire-tsire masu tsaro waɗanda ke sarrafa yawan musayar iskar gas tsakanin tsire-tsire da yanayi, glandular da gashin tufafi ko trichomes, da kuma tushen tushen asali. A cikin ɓawon epidermis na yawancin tsire-tsire, kawai ƙwayoyin tsire-tsire suna da chloroplasts. Chloroplasts suna dauke da kore pigment chlorophyll wanda ake buƙata don photosynthesis. Kwayoyin epidermal na kwayoyin halitta sun taso ne daga sashin kwayoyin halitta wanda aka sani da tunicacular (L1 da L2) wanda ke rufe saman tsire-tsire na tsire-tsire, inda
hada cutin