▁native ▁to ▁Australia ▁and ▁New ▁Zealand . ▁The ▁name ▁is ▁derived ▁from ▁the ▁Greek ▁word , ▁por os , ▁" open ing ▁or ▁p ore ", ▁and ▁the ▁Latin ▁word ▁an ther a , ▁" an ther ". ▁ ▁Por an ther a ▁consists ▁of ▁mon oe cious ▁or ▁rarely , ▁dio e cious ▁annual ▁or ▁per enn ial ▁her bs . ▁On ▁the ▁an thers , ▁the ▁line ▁of ▁de h isc ence ▁does ▁not ▁extend ▁beyond ▁the ▁a pe x . ▁It ▁does ▁not ▁have ▁the ▁clearly ▁round ▁por es ▁that ▁define ▁truly ▁por ic idal ▁de h isc ence . ▁ ▁Por an ther a ▁al p ina ▁has ▁been ▁placed ▁in ▁the ▁mon os pec ific ▁genus ▁O re op or an ther a ▁by ▁some ▁authors , ▁but ▁in ▁ 2 0 0 7 , ▁a ▁mole cular ▁ph y log en etic ▁analysis ▁of ▁mat K ▁and ▁I TS ▁sequences ▁showed ▁this ▁species ▁to ▁be ▁embedded ▁in ▁Por an ther a . ▁ ▁Species ▁ ▁names ▁in ▁Po aceae ▁In ▁ 1 8 3 0 , ▁Raf ines que ▁used ▁the ▁name ▁Por an ther a ▁ ▁to ▁refer ▁to ▁a ▁very ▁different ▁plant ▁than ▁that ▁to ▁which ▁Rud ge ▁had ▁already ▁applied ▁the ▁name . ▁Thus ▁he ▁created ▁an ▁il leg it imate ▁hom onym . ▁Species ▁names ▁co ined ▁using ▁Raf ines que ' s ▁hom onym : ▁ ▁Por an ther a ▁c ili ata ▁- ▁S org has tr um ▁nut ans ▁▁