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Calophyllum inophyllum L.  
Family: Clusiaceae
mastwood
[Calophyllum inophyllum var. wakamatsui (Kaneh.) Fosberg & Sachet, moreCalophyllum wakamatsui Kanehira]
Calophyllum inophyllum image
Sarah Franklin
  • Taxonomic Description
  • Resources
Wagner, Warren L., Derral R. Herbst and S. H. Sohmer. 1999. Manual of the Flowering Plants of Hawai'i (Bernice Pauahi Bishop Museum Special Publication, 2 Vol. Set). Honolulu, HI
Flora of Hawaii:

Distribution     
Native from eastern Africa, India, Taiwan, and Malesia to Australia and the Tuamotus. In the Hawaiian Islands, a Polynesian introduction on Kaua`i, O`ahu, Moloka`i, Lana`i, Maui, Hawai`i.

Habit
Large trees 8-25 m tall with milky sap, trunk massive, to 1.5 m in diam., bark deeply fissured.

Leaves
Leaves chartaceous or somewhat coriaceous; blade broadly elliptic to obovate elliptic, 11-20 cm long, 5.5-9 cm wide, lateral veins arising at a 70° angle or more from midrib, apex rounded or notched; petiole 1-3 cm long.  

Flowers
Flowers in axillary, racemose or paniculate inflorescences, pedicels 2-6 cm long; sepals 4, outer ones 4-6 mm long, inner ones reflexed and slightly longer, petaloid; petals 4(-8), white, 8-14 mm long; ovary reddish purple after pollination, globose; style often s-shaped; stamens yellow.  

Fruit
Fruit green ripening yellowish brown or dark brown, broadly ellipsoid to subglobose, 2-3(-5) cm in diam., pulp 3-5 mm thick.  

Seeds
Seed subglobose-ellipsoid, 2-2.5 cm in diam., testa with spongy outer layer 1-12 mm thick.  

Chromosomes
2n = 32.  

Notes
A Polynesian introduction, now occasionally cultivated. Seeds yield oil of tamanu, used for general skin and cosmetic purposes. 

Calophyllum inophyllum
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Calophyllum inophyllum image
Sarah Franklin
Calophyllum inophyllum image
Hanna Tillman
Calophyllum inophyllum image
Sarah Franklin
Calophyllum inophyllum image
Hanna Tillman
Calophyllum inophyllum image
Hanna Tillman
Calophyllum inophyllum image
Sarah Franklin
Calophyllum inophyllum image
Sarah Franklin
Calophyllum inophyllum image
Hanna Tillman
Calophyllum inophyllum image
Hanna Tillman
Calophyllum inophyllum image
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The National Science Foundation
Development of the Consortium of Pacific Herbaria and several of the specimen databases have been supported by National Science Foundation Grants (BRC 1057303, ADBC 1304924 and ADBC1115116). Data Usage Policy. Continued support provided by the Symbiota Support Hub, a domain of iDigBio (NSF Award #2027654). Copyright 2015 University of Hawai‘i.