海南海桑 hai nan hai sang

Trees, 4-8 m tall. Petiole 2-7 mm; leaf blade broadly elliptic or suborbicular, rarely broadly ovate, 6.5-8 × 6-8 cm, base shortly attenuate on petiole, apex rounded or obtuse. Flowers 6-merous. Floral tube 1.2-1.5 cm, smooth, 6-ribbed; sepals adaxially red, erect to spreading, ca. 1.5 cm, partially enclosing mature fruit. Petals white, lanceolate, 2.5-3 cm × 3-4 mm. Staminal filaments white. Fruit 5-6 cm in diam., ca. equal to width of floral tube. Seeds numerous. 2n = 22*.

● Mangrove communities. NE Hainan (Wenchang).

This taxon is the natural hybrid Sonneratia alba × S. ovata.