广东叶下珠Phyllanthus guangdongensis
中文名(Chinese Name):广东叶下珠
学名(Scientific Name):Phyllanthus guangdongensis P. T. Li
英文名(English Common Name):
别名(Chinese Common Name):隐脉叶下珠
异名(Synonym):
科属(Family & Genus):大戟科(Euphorbiaceae)叶下珠属
形态特征(Description):灌木,高约1米;茎和枝条圆柱形;全株均无毛。叶片纸质,椭圆形或卵形,长3-4.5厘米,宽1.3-1.7厘米,顶端短渐尖,基部圆;侧脉6-9条,不明显;叶柄长2-3毫米;托叶宽三角形,长约1毫米。花雌雄同株,红色,1-2朵腋生;雄花:生于花枝的下部,花梗纤细,长5-7毫米;萼片4,宽卵形,长2毫米,宽1.5毫米,全缘;花盘4裂;裂片半圆形;雄蕊2,花丝合生成短柱,药室纵裂;雌花:生于花枝的上部,花梗长2-5厘米;萼片6,宽卵形,长3毫米,宽2毫米;花盘盘形,全缘,围绕子房基部;子房圆球状,3室,每室2颗胚珠,花柱3,平展,贴于子房顶部,顶部2裂至中部,裂片外弯。蒴果圆球状,直径达7毫米,基部有宿存的萼片;果梗长2.5-5厘米。花期10-11月,果期11-12月。
分布(Distribution):产广东,生于海拔300-500米山地疏林下。
用途(Use):
引自中国植物志英文版FOC Vol. 11 Page 182, 190
Phyllanthus guangdongensis P. T. Li, Acta Phytotax. Sin. 25: 375. 1987.
广东叶下珠 guang dong ye xia zhu | Euphorbiaceae | Phyllanthus
Shrubs ca. 1 m tall, monoecious, glabrous throughout; stem and branches terete. Stipules broadly ovate, ca. 1 mm; petiole 2-3 mm; leaf blade elliptic or ovate, 3-4.5 × 1.3-1.7 cm, papery, base rounded, apex shortly acuminate; lateral veins 6-9 pairs, usually obscure. Inflorescences axillary, 1- or 2-flowered, male along proximal part of branchlets, female distal. Male flowers: pedicels delicate, 5-7 mm; sepals 4, broadly ovate, ca. 2 × 1.5 mm, red, entire; disk 4-lobed, lobes semiorbicular; stamens 2; filaments connate into short column; thecae longitudinally dehiscent. Female flowers: pedicels 2-5 cm; sepals 6, broadly ovate, ca. 3 × 2 mm, persistent in fruit; disk discoid, surrounding ovary base; ovary globose, 3-celled; styles 3, spreading, adnate to ovary at apex, bifid at apex, lobes revolute. Fruiting pedicels 2.5-5 cm; capsules globose, to 7 mm in diam. Fl. Oct-Nov, fr. Nov-Dec.
● Montane sparse forests; 300-500 m. SW and W Guangdong.
(责任编辑:徐晔春)
学名(Scientific Name):Phyllanthus guangdongensis P. T. Li
英文名(English Common Name):
别名(Chinese Common Name):隐脉叶下珠
异名(Synonym):
科属(Family & Genus):大戟科(Euphorbiaceae)叶下珠属
形态特征(Description):灌木,高约1米;茎和枝条圆柱形;全株均无毛。叶片纸质,椭圆形或卵形,长3-4.5厘米,宽1.3-1.7厘米,顶端短渐尖,基部圆;侧脉6-9条,不明显;叶柄长2-3毫米;托叶宽三角形,长约1毫米。花雌雄同株,红色,1-2朵腋生;雄花:生于花枝的下部,花梗纤细,长5-7毫米;萼片4,宽卵形,长2毫米,宽1.5毫米,全缘;花盘4裂;裂片半圆形;雄蕊2,花丝合生成短柱,药室纵裂;雌花:生于花枝的上部,花梗长2-5厘米;萼片6,宽卵形,长3毫米,宽2毫米;花盘盘形,全缘,围绕子房基部;子房圆球状,3室,每室2颗胚珠,花柱3,平展,贴于子房顶部,顶部2裂至中部,裂片外弯。蒴果圆球状,直径达7毫米,基部有宿存的萼片;果梗长2.5-5厘米。花期10-11月,果期11-12月。
分布(Distribution):产广东,生于海拔300-500米山地疏林下。
用途(Use):
引自中国植物志英文版FOC Vol. 11 Page 182, 190
Phyllanthus guangdongensis P. T. Li, Acta Phytotax. Sin. 25: 375. 1987.
广东叶下珠 guang dong ye xia zhu | Euphorbiaceae | Phyllanthus
Shrubs ca. 1 m tall, monoecious, glabrous throughout; stem and branches terete. Stipules broadly ovate, ca. 1 mm; petiole 2-3 mm; leaf blade elliptic or ovate, 3-4.5 × 1.3-1.7 cm, papery, base rounded, apex shortly acuminate; lateral veins 6-9 pairs, usually obscure. Inflorescences axillary, 1- or 2-flowered, male along proximal part of branchlets, female distal. Male flowers: pedicels delicate, 5-7 mm; sepals 4, broadly ovate, ca. 2 × 1.5 mm, red, entire; disk 4-lobed, lobes semiorbicular; stamens 2; filaments connate into short column; thecae longitudinally dehiscent. Female flowers: pedicels 2-5 cm; sepals 6, broadly ovate, ca. 3 × 2 mm, persistent in fruit; disk discoid, surrounding ovary base; ovary globose, 3-celled; styles 3, spreading, adnate to ovary at apex, bifid at apex, lobes revolute. Fruiting pedicels 2.5-5 cm; capsules globose, to 7 mm in diam. Fl. Oct-Nov, fr. Nov-Dec.
● Montane sparse forests; 300-500 m. SW and W Guangdong.
(责任编辑:徐晔春)
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