楝科
學名：Polystachyous Aphanamixis
英名：山楝，沙羅、紅羅、山羅、假油桐，紅果樹、油桐、鐵羅
別名：山楝屬常綠喬木，臺灣原生，中國大陸南方及東南亞各國至澳洲亦有分佈。莖多分枝，枝條直立或斜上昇；小枝光滑無毛，幼時帶紅褐色。葉互生，奇數羽狀複葉；革質對生小葉5~7對，全緣。花小形，多數，呈穗狀花序排列，乳白色。花期6-7月。蒴果球形，果皮象牙白帶淡粉紅色。種子被紅色假種皮，種皮黑褐色。
喜全日照，土壤以富含有機質之壤土為佳，排水需良好。以種子繁殖為主。
The plants prefer full sun and loam with rich organic matter and good drainage. Mainly seed propagation.
可做庭園景觀樹、行道樹。熟果紅色具觀賞價值。種子可煉油供製肥皂及潤滑油。木材赤色，堅硬，紋理密緻，質地均勻，可作建築、造船等用材。
Suitable as garden landscape trees and street trees. Ripe red fruits are ornamental. The seeds can be used to make soap and lubricants. The wood is red-colored, hard, dense, evenly grained, and is suitable for construction and ship-making.
An evergreen tree of the genus Aphanamixis, native to Taiwan and also distributed in southern China, Southeast Asia and Australia. Stems multi-branched, branches erect or obliquely rising; branchlets smooth and glabrous, with reddish brown when young. Leaves alternate, odd-pinnate compound leaves; leathery opposite leaflets 5-7 pairs, entire. Flowers small, many, arranged in spikes, milky white in color. Flowering from June to July. Capsule spherical, peel ivory with pale pink. Seeds covered with red aril, seed coat black-brown.