草海桐屬常綠灌木，分布印度洋至太平洋熱帶至亞熱帶氣候區的海岸。枝多肉質柔軟。互生匙形至倒卵形革質葉，常聚生於枝端。聚繖花序腋生，扇形花冠5裂，白、淡黃或帶淺紫色，裂片邊緣波浪狀。白色核果卵球狀，可藉由潮水傳播。開花結果期全年。

An evergreen shrub in the genus Scaevola, distributed from the Indian Ocean, the Pacific Ocean to the subtropical regions. The branches are fleshy and soft. Bearing alternative spoon-shaped to obovate leathery leaves, often gather at the ends of the branches. Axillary cymes, fan-shaped corolla has 5 lobes, which are yellowish or light purple and undulate on the margin. White globular drupes are spread by tidal water. Flowering and fruit throughout the year.

全日照溫暖環境，能耐高溫曝曬，適應潮風鹽霧，根系耐鹽抗旱。栽培介質需排水良好，露地種植成活後不大須澆水。耐貧瘠，種植不需施肥。隨時剪除樹冠內部細弱枝條。扦插法繁殖。

Full-sun and warm environment. It can withstand heat and sun exposure as well as tidal breeze and salt spray. Thought the roots are tolerant to salt and drought, the medium soil must be well drained. Frequent watering is not needed after surviving in open fields. It’s barren-tolerant so doesn’t need fertilizers. Prune weak branches in the crown whenever needed. Propagated by cuttings.

濱海地區綠化優質樹種，能防風固砂，亦能適應都市道路旁乾燥炎熱與灰塵汙染的環境，常種植為灌叢或綠籬。花朵構造與果實海漂傳播機制可做為生態教材。果實與嫩葉可供食用。

An excellent greening tree because it can withstand strong wind, fix sand in littoral areas; it’s also tolerant to draught, heat and dust pollution in urban areas. Often planted as shrubs or hedges. The flower structure and fruit drifting propagation mechanism are often included in ecological education programs. The fruits and young leaves are edible.