Lobelia koolauensis
Genus: Lobelia section Galeatella.
Range: O'ahu, Ko'olau; wet shrublands, 670 - 860 m. (USGS map not available)
Growth form: Treelet, 1-2.5 m tall.
This species flowers from May to July, different from the autumn-late autumn flowering of most Galeatella.
How to identify:
Images:
Sources: