She travelled widely: To the Mt Pirongia area, northwest to Hauraki, and south to the ranges west of Lake Taupō, where she died. Along the way she named mountains, ranges and rivers, although local tradition at Pirongia - the mountain's full name is Pirongia-te-aroaro-oo-Kahu - suggests it is more likely the mountain was named by her son.
At least partly to treat her own illness, she experimented with the use of plants.
"Various stories," the Royal Society says, "include her use of harakeke; koromiko, a long-leafed shrub used for a variety of ills; kawakawa ... a member of the pepper tree family; and rangiora, which has the largest leaves of any of the tree daisies and is sometimes known as the bushman's friend.
"More than 200 plants were used medicinally by Māori, and pioneers like Kahupeka had to experiment to find what worked."
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