X. hawaiiense is a small deciduous tree, reaching a height of 3–9 m (9.8–29.5 ft). The alternate, elliptical leaves are 5–10 cm (2.0–3.9 in) long, 3–7.5 cm (1.2–3.0 in) wide, and produced on thin petioles 1–2 cm (0.39–0.79 in) in length. Young leaves are bronze green, reddish, or copper-colored with red veins, aging to shiny dark green on top and slightly shiny green on bottom. Twigs are initially dark red and mature to a dark brown. Racemes 13–25 mm (0.51–0.98 in) long are produced at the bases of new leaves or the back of leaves. The dioecious flowers are greenish or reddish and 6 mm (0.24 in) in diameter. Female plants produce abundant berries in the summer and fall that are deep red when ripe and about 1 cm (0.39 in) in diameter.
- "Xylosma hawaiiensis Seem.". ITIS Standard Reports. Integrated Taxonomic Information System. Retrieved 2010-01-31.
- Little Jr., Elbert L.; Roger G. Skolmen (1989). "Maua, xylosma" (PDF). Common Forest Trees of Hawaii (Native and Introduced) (United States Forest Service). Retrieved 2010-03-03.
- "maua, ae (Maui)". Hawaiian Ethnobotany Online Database. Bernice P. Bishop Museum. Retrieved 2010-01-31.
- Culliney, John L.; Bruce P. Koebele (1999). A Native Hawaiian Garden: How to Grow and Care for Island Plants. University of Hawaii Press. pp. 112–114. ISBN 978-0-8248-2176-0.
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