Elatostema grande is a flowering plant in the nettle family. The specific epithet alludes to the relatively large leaves and inflorescences.
It is a fleshy, perennial herb straggling to . The broadly and obliquely oblanceolate-elliptic leaves are usually long and wide. The male inflorescences are in diameter, on peduncles; the female inflorescences are in diameter
The species is endemic to AustraliaâÂÂs subtropical Lord Howe Island in the Tasman Sea. It is uncommon but widespread in the southern forests of the island, with a preference for mesic habitats.