Rock’s Phyllostegia (Phyllostegia rockii)

Rock’s Phyllostegia was described in 1934, it was restricted to the slopes of the Haleakala volcano on eastern Maui, Hawai’i Islands.

The species is known from only three collections, the most recent of which was made in 1912, it is now considered extinct.

*********************

References:

[1] Warren L. Wagner: Nomenclator and review of Phyllostegia (Lamiaceae). Novon 9(2): 265-279. 1999

*********************

edited: 24.09.2019