討論:瓊崖海棠

山羊百科，林文智老師的植物、山岳、攝影紀錄

1. Calophyllum inophyllum L.　胡桐(瓊崖海棠)

Medium to large tree, to ca. 20 m tall, usually with short trunk and long branches; bark pale gray and fawn with shallow elliptic longitudinal fissures; branches smooth, 4-angled when young, eventually terete, glabrous, terminal bud subconic, brown-puberulent. Leaves glabrous, petioles 10-15(-25) mm long, broadened and flattened towards apex; lamina 8-18 cm long, 4.5-10 cm broad, broadly elliptic-oblong to obovate, apex rounded to netuse, base broadly cuneate, coriaceous, concolorous, with lateral nerves prominent on both surfaces. Inflorescences from upper leaf axils, 3-15-flowered, usually simply racemiform, 5-10 cm long, glabrous; flowers bisexual, 20-25 mm in diam., plane to convex, fragrant, in bud globose, pedicels 15-40 mm long, glabrous; sepals 4, becoming reflexed, glabrous, outer 2.7-9 mm long and broad, obovate, petaloid; petals 4, becoming reflexed, 9-12 mm long, 7-8 mm broad, obovate; stamens in 4 fascicles, sometimes with filaments united at very base, anthers ca. 1.5 mm long; ovary deep pink, ca. 3.5 mm long, subglobose, with style ca. 4 times as long, slightly exceeding stamens, flexuous. Drupe globose, 2.5-4 cm in diam., green, with smooth thick pericarp; stone globose.

Coasts and islands of the Indian Ocean and eastward to Hainan, Taiwan, (south and Lanyu Is.), Bonin Is., Polynesia, Melanesia and Australia. Taiwan, rocky and sandy sea shores. Often planted.

TAIPEI: Taipei (cult.?), Sasaki 076793. KAOHSIUNG: Hsiaoliuchiu, Hosokawa 1718. PINGTUNG: Kenting, Hsu 4196. TAITUNG: Lanyu, Is. (fide Li, Woody Fl. Taiwan).