琼刺榄Xantolis longispinosa (Merr.) H. S. Lo
琼刺榄Xantolis longispinosa (Merr.) H. S. Lo
3.琼刺榄（海南植物志）刺山榄、信筒子山榄（海南）
Xantolis longispinosa (Merr.) H. S. Lo, 海南植物志3: 157, 图640. 1974; 中国高等植物图鉴3: 299, 图4551. 1974.——Sideroxylon longispinosa Merr. in Lingnan Sci. Journ. 13: 66. 1934. ——S. embeliaefolium Merr. 1. c. 14: 45, f. 14. 1935; Merr. et Chun in Sunyatsenia 5: 159, f, 19. 1940.——Xantolis embeliifolia (Merr.) van. Royen in Blumea 8: 233. 1957; Aubr., Fl. Camb. Laos et Vietn. 3: 80, pl. 13. 18-21, 1963.
灌木或乔木，高6-9（13）米；树皮灰黄色或灰黑色；小枝无毛，疏生长刺，刺长1.5-3.5厘米，劲直，坚硬，锐尖。叶密集，革质，通常倒卵形，长2-4（8）厘米，宽1-2.3(3)厘米，先端圆或钝，基部楔形，上面深绿色，下面淡绿色，两面无毛，中脉在上面微凹，下面凸起，侧脉约10对，纤细，两面均不明显；叶柄长1-3毫米，无毛。花单生或数朵簇生叶腋；花梗长3-5（8）毫米，被锈色、紧贴短柔毛；花萼裂片5，卵形，长5-6毫米，两面被锈色、紧贴短柔毛；花冠白色，冠管长约2毫米，花冠裂片5，卵形，长约4毫米，外面初时近中部被毛，后变无毛，内面疏被长柔毛；能育雄蕊5，长约3毫米，花丝粗，长约1.5毫米，基部两侧各具一簇锈色长柔毛，花药卵形，长约2.5毫米，具延长的药隔；退化雄蕊5，披针形至卵形，长1.5-2毫米，先端渐尖成芒状，沿边缘被黄褐色柔毛；子房近球形，径约1.5毫米，密被锈色柔毛；花柱圆柱形，基部较粗，长约3毫米。浆果近球形或近椭圆形，长约12毫米，绿转淡褐色，被锈色、紧贴的柔毛，先端为宿存花柱，长约12毫米，基部为宿存、略增大的萼片；果柄长8-10毫米，无毛。花期10月-翌年2月，果期6-10月。
产广东海南；生于低海拔至中海拔林中。
《Flora of China》 Vol. 15 (1996)
Xantolis longispinosa (Merrill) H. S. Lo
琼刺榄 qiong ci lan
Sideroxylon longispinosum Merrill, Lingnan Sci. J. 13: 66. 1934; S. embelifolium Merrill; Xantolis embelifolia (Merrill) P. Royen.
Shrubs or trees, 8--9(--13) m tall. Bark grayish yellow to grayish black. Branchlets glabrous with occasional spines; spines 1.5--3.5 cm, erect, hard, and cuspidate. Petiole 1--3 mm; leaf blade usually obovate, 2--4(--8) X 1--2.3(--3) cm, base cuneate, apex rounded to obtuse, lateral veins ca. 10 pairs. Flowers solitary or in several-flowered clusters. Pedicel 3--5(--8) mm, rust colored pubescent. Sepals 5, ovate, 5--6 mm, both surfaces rust colored pubescent. Corolla white; lobes 5, outside pubescent on middle part but glabrescent, inside sparsely villous. Stamens 5; filaments thick with a cluster of rust colored villous hairs on each side at base; staminodes 5, lanceolate to ovate, margin yellowish brown pubescent. Ovary subglobose, ca. 1.5 mm, densely rust colored pubescent. Style ca. 3 mm. Fruit green becoming pale brown, subglobose to subellipsoid, 1.2 cm, glabrous or appressed rust colored tomentose, with a ca. 1.2 cm persistent style and enlarged calyx; stalk of fruit 8--10 mm, glabrous. Seeds subglobose, slightly compressed, ca. 8 mm in diam., glossy brown; scar elliptic. Fl. Oct-Feb, fr. Jun-Oct.
Forest at low to middle altitudes. Hainan.
别名：刺山榄;信筒子山榄;
科名：山榄科 Sapotaceae
属名：刺榄属 Xantolis
3.琼刺榄（海南植物志）刺山榄、信筒子山榄（海南）
Xantolis longispinosa (Merr.) H. S. Lo, 海南植物志3: 157, 图640. 1974; 中国高等植物图鉴3: 299, 图4551. 1974.——Sideroxylon longispinosa Merr. in Lingnan Sci. Journ. 13: 66. 1934. ——S. embeliaefolium Merr. 1. c. 14: 45, f. 14. 1935; Merr. et Chun in Sunyatsenia 5: 159, f, 19. 1940.——Xantolis embeliifolia (Merr.) van. Royen in Blumea 8: 233. 1957; Aubr., Fl. Camb. Laos et Vietn. 3: 80, pl. 13. 18-21, 1963.
灌木或乔木，高6-9（13）米；树皮灰黄色或灰黑色；小枝无毛，疏生长刺，刺长1.5-3.5厘米，劲直，坚硬，锐尖。叶密集，革质，通常倒卵形，长2-4（8）厘米，宽1-2.3(3)厘米，先端圆或钝，基部楔形，上面深绿色，下面淡绿色，两面无毛，中脉在上面微凹，下面凸起，侧脉约10对，纤细，两面均不明显；叶柄长1-3毫米，无毛。花单生或数朵簇生叶腋；花梗长3-5（8）毫米，被锈色、紧贴短柔毛；花萼裂片5，卵形，长5-6毫米，两面被锈色、紧贴短柔毛；花冠白色，冠管长约2毫米，花冠裂片5，卵形，长约4毫米，外面初时近中部被毛，后变无毛，内面疏被长柔毛；能育雄蕊5，长约3毫米，花丝粗，长约1.5毫米，基部两侧各具一簇锈色长柔毛，花药卵形，长约2.5毫米，具延长的药隔；退化雄蕊5，披针形至卵形，长1.5-2毫米，先端渐尖成芒状，沿边缘被黄褐色柔毛；子房近球形，径约1.5毫米，密被锈色柔毛；花柱圆柱形，基部较粗，长约3毫米。浆果近球形或近椭圆形，长约12毫米，绿转淡褐色，被锈色、紧贴的柔毛，先端为宿存花柱，长约12毫米，基部为宿存、略增大的萼片；果柄长8-10毫米，无毛。花期10月-翌年2月，果期6-10月。
产广东海南；生于低海拔至中海拔林中。
《Flora of China》 Vol. 15 (1996)
Xantolis longispinosa (Merrill) H. S. Lo
琼刺榄 qiong ci lan
Sideroxylon longispinosum Merrill, Lingnan Sci. J. 13: 66. 1934; S. embelifolium Merrill; Xantolis embelifolia (Merrill) P. Royen.
Shrubs or trees, 8--9(--13) m tall. Bark grayish yellow to grayish black. Branchlets glabrous with occasional spines; spines 1.5--3.5 cm, erect, hard, and cuspidate. Petiole 1--3 mm; leaf blade usually obovate, 2--4(--8) X 1--2.3(--3) cm, base cuneate, apex rounded to obtuse, lateral veins ca. 10 pairs. Flowers solitary or in several-flowered clusters. Pedicel 3--5(--8) mm, rust colored pubescent. Sepals 5, ovate, 5--6 mm, both surfaces rust colored pubescent. Corolla white; lobes 5, outside pubescent on middle part but glabrescent, inside sparsely villous. Stamens 5; filaments thick with a cluster of rust colored villous hairs on each side at base; staminodes 5, lanceolate to ovate, margin yellowish brown pubescent. Ovary subglobose, ca. 1.5 mm, densely rust colored pubescent. Style ca. 3 mm. Fruit green becoming pale brown, subglobose to subellipsoid, 1.2 cm, glabrous or appressed rust colored tomentose, with a ca. 1.2 cm persistent style and enlarged calyx; stalk of fruit 8--10 mm, glabrous. Seeds subglobose, slightly compressed, ca. 8 mm in diam., glossy brown; scar elliptic. Fl. Oct-Feb, fr. Jun-Oct.
Forest at low to middle altitudes. Hainan.