Plants of Hawaii Volcanoes National Park

Scientific Name Coprosma ochracea W. Oliver
Family Rubiaceae

Other Names Pilo (transl. "bad odor"), hupilo
Status Endemic
Distribution & Habitat Occasional to common in wet forests to bogs (Moloka'i, West Maui, sometimes in mesic forest, 790 - 2,290 m, Mount Ka'ala summit, Waianae Mountains, Oahu, and on eastern Moloka'i, Lana'i, Maui and Hawai'i (Wagner, et al. 1990: 1129).
Locations in this Guide Thurston Lava Tube
General Appearance
Although it is sometimes a shrub, the tree forms of this species can be found in the forest near Thurston Lava Tube (Lamoureux 1996: 85). These trees are up to 20 feet tall (Stone and Pratt 1994: 182).

The branching pattern is asymmetrical with some of the side branches being longer than the others (Stone and Pratt 1994: 183).  The branches are generally in one plane (Wagner, et al. 1990: 1129).

Thurston Lava Tube
Thurston Lava Tube Thurston Lava Tube
The bark is thin and smooth and colored gray with darkish splotches (Stone and Pratt 1994: 183).
Leaves
The leaves are thin and oval, up to 4 inches long and one inch wide (Lamoureux 1996: 85).

The leaves are thick and widest near the tip; they have prominent secondary veins (Stone and Pratt 1994: 184).

Thurston Lava Tube
Thurston Lava Tube
A stipule (which clasps the stem above the leaves) is a recognition characteristic that helps separate the various Coprosma species (Stone & Pratt 1994: 183). Thurston Lava Tube
Flowers & Fruits
This plant is dioecious.  The flowers are tiny and greenish white and are found in the leaf axils near the tips of the branches (Stone & Pratt 1994: 183).

The male flowers have prominent stamens (Stone & Pratt 1994: 183).

The fruit are reddish orange and egg shaped, about one-quarter inch long (Lamoureux 1996: 85). The fruit have a crown of tiny teeth (Stone & Pratt 1994: 183).  The two large seeds inside are flattened and resemble small coffee beans (Stone & Pratt 1994: 183). Thurston Lava Tube

Thurston Lava Tube

Phenology
Thurston Lava Tube Lots of fruit. 6/10/01
     
Natural History
Conservation
Miscellaneous Photos
Other Notes Wagner, et al. (1990: 1129) describe this as a polymorphic species that hybridizes with other Coprosma species quite easily.

References
Links to Other Sites

Return to:

 

Last Updated: 08/05/03