Three different Trematolobelia Macrostachys (Koli'i) on Mt. Kaala, elev. 4,000', which blooms April-May. It can also be found on parts of the Koolau Summit, like at the end of the Poamoho Trail. Bottom right photo is of a mature flowering ohia stunted by lack of oxygen in the Peepeopae Bog, Kamakou, Molokai.