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NZ Plants


Marchantia macropora

Family: Marchantiaceae

Marchantia macropora has a distinctive strap-shaped thallus up to 6 cm long and 5-8 mm wide.  The dorsal epidermis has very large air pores, each with a hydrophobic cuticular ledge protecting against water loss; each pore leads into large sub-epidermal air chamber. Asexual propagules (gemmae) are formed in large gemmae cups with finely-toothed margins. Female and male gametangia are borne on erect branches of the thallus called archegoniophores (female) and antheriodiophores (male). 

Widespread in the North Island in very moist locations.