Hō‘awa (Pittosporum hosmeri)

Photo courtesy of Forest & Kim Starr
Hawaiian name: Hō‘awa (`a`awa, `a`awa hua kukui, ha`awa )
Botanical name: Pittosporum hosmeri
Family: Pittosporaceae
Status: Endemic
Where found: Hawai‘i Island
Water/Light: Dry, with full to partial sunlight
Elevation range: 1,250 to 3,510
Height: 10-26 feet, with a 12 foot spread
Of the 11 endemic Hawaiian species of hō‘awa, this one is most associated as an important food for a rare native bird. The Hawaiian crow, or ‘alalā, is now extinct in the wild but is being raised in captivity for reintroduction on Hawaiʻi island and Maui. The last wild populations of ‘alalā fed on this species of hō‘awa, attracted by its bright orange fruits and dark seeds. ‘Alalā helped to spread hō‘awa seeds, ensuring the survival of this plant. Now that ‘alalā are extinct in the wild, the hō‘awa population in former ‘alalā habitats are becoming scarce. The flowers of hōʻawa have a subtly sweet fragrance at night.
Photo credit: Forest and Kim Starr
Photo credit: Forest and Kim Starr
Plants from the MNBG Collection:
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- ‘A‘ali‘i (Dodonaea viscosa)
- ‘Āhinahina (Achyranthes splendens var. splendens)
- ‘Āhinahina (Artemisia mauiensis)
- ‘Ākala (Rubus hawaiensis)
- ‘Ākia (Wikstroemia uva-ursi var. uva-ursi)
- ‘Akoko (Euphorbia degeneri)
- Alahe'e (Psydrax odorata)
- ‘Ānapanapa (Colubrina asiatica)
- ‘Awa (Piper methysticum)
- Delissea rhytidosperma
- Hāhā (haha) (Cyanea magnicalyx)
- Hala (Pandanus tectorius)
- Hala pepe (Dracaena auwahiensis)
- Hau (Hibiscus tileaceus)
- Hau hele wai (‘Akiohala) (Hibiscus furcellatus)
- Hao (Rauvolfia sandwicensis)
- Hō‘awa (Pittosporum glabrum)
- Hōʻawa (Pittosporum halophilum)
- Hō‘awa (Pittosporum hosmeri)
- ‘Iliahi (Santalum haleakalae)
- ‘Iliahialo‘e (Santalum ellipticum)
- ʻIlima papa (Sida fallax)
- Kalo, (Colocasia esculenta)
- Kamani (Callophyllum inophyllum)
- Ka palupalu o Kanaloa (Kanaloa kahoolawensis)
- Kauila (Colubrina oppositifolia)
- Kauila (O‘a) (Alphitonia ponderosa)
- Keahi (Sideroxylon polynesicum)
- Kī (Cordyline fruticosa)
- Koa (Acacia koa)
- Koai‘a (Acacia koaia)
- Koki‘a, Hau hele ‘ula (Kokia drynarioides)
- Koki‘o ke‘o ke‘o (Hibiscus arnottianus)
- Koki‘o ke‘oke‘o (Hibiscus arnottianus subsp. immaculatus)
- Koki‘o ‘ula‘ula (Hibiscus kokio ssp. kokio)
- Koki‘o ‘ula‘ula (Hibiscus kokio ssp. saintjohnnianus)
- Koki‘o ke‘o ke‘o (Hibiscus waimeae ssp. waimeae)
- Kou (Cordia subcordata)
- Kukui (Aleurites moluccana)
- Loulu lelo (Pritchardia hillebrandii)
- Loulu (Pritchardia remota)
- Maʻo (Gossypium tomentosum)
- Ma‘o hau hele (Hibiscus brackenridgei)
- Māmaki (Pipturus albidus)
- Mau‘u lā‘ili (Sisyrinchium acre)
- Mehame, Hame (Antidesma platyphyllum var. platyphyllum)
- Milo (Thespesia populnea)
- Naio (Myoporum sandwicense)
- Nānū (Gardenia brighamii)
- Ōhai (Sesbania tomentosa)
- ʻŌhiʻa ʻai (Syzygium malaccense)
- ‘Ōhia lehua (Metrosideros polymorpha)
- Pōhinahina (Vitex rotundifolia)
- Pōkalakala (Polyscias racemosa)
- ‘Uala (Sweet Potato)
- ‘Uki ‘uki (Dianella sandwicensis)
- ʻUlu cv. ‘Maʻafala’(Artocarpus altilis)
- Wauke (Broussonetia papyrifera)
- Wiliwili (Erythrina sandwicensis)
