顶花板凳果Pachysandra terminalis

顶花板凳果Pachysandra terminalis

顶花板凳果Pachysandra terminalis

顶花板凳果Pachysandra terminalis

中文名(Chinese Name):顶花板凳果
学名(Scientific Name):Pachysandra terminalis Siebold & Zucc.
英文名(English Common Name):Japanese pachysandra
别名(Chinese Common Name):顶蕊三角咪、富贵草
异名(Synonym):
科属(Family & Genus):黄杨科(Buxaceae)板凳果属
形态特征(Description):亚灌术,茎稍粗壮,被极细毛,下部根茎状,长约30厘米,横卧,屈曲或斜上,布满长须状不定根,上部直立,高约30厘米,生叶。叶薄革质,在茎上每间隔2-4厘米,有4-6叶接近着生,似簇生状.叶片菱状倒卵形,长2.5-5(-9)厘米,宽1.5-3(-6)厘米,上部边缘有齿牙,基部楔形,渐狭成长1-3厘米的叶柄,叶面脉上有微毛。花序顶生,长2-4厘米,直立,花序轴及苞片均无毛,花白色,雄花数超过15,几占花序轴的全部,无花梗,雌花1-2,生花序轴基部,有时最上1-2叶的叶腋,又各生一雌花;雄花:苞片及萼片均阔卵形,苞片较小,萼片长2.5-3.5毫米,花丝长约7毫米,不育雌蕊高约0.6毫米;雌花:连柄长4毫米,苞片及萼片均卵形,覆瓦状排列,花柱受粉后伸出花外甚长,上端旋曲。果卵形,长5-6毫米,花柱宿存,粗而反曲,长5-10毫米。花期4-5月。
分布(Distribution):产甘肃、陕西、四川、湖北及浙江等省,生于海拔1000-2500米的林下阴湿处。日本也有。
用途(Use):
引自中国植物志英文版FOC Vol. 11 Page 331
Pachysandra terminalis Siebold & Zuccarini, Abh. Math.-Phys. Cl. Königl. Bayer. Akad. Wiss. 4(2): 142. 1845.
顶花板凳果 ding hua ban deng guo| Buxaceae  | Pachysandra
Subshrubs; stem slightly thick, puberulent, lower part rhizomatous, ca. 30 cm, prostrate, curved, or obliquely ascending, with densely fibrous adventitious roots, upper part erect, ca. 30 cm tall, leafy. Leaves at intervals of 2-4 cm on stem or 4-6 leaves close to each other; petiole 1-3 cm; leaf blade rhombic-obovate, 2.5-5(-9) × 1.5-3(-6) cm, leathery, puberulent along midrib adaxially, base attenuate into petiole, margin dentate toward apex. Inflorescences terminal, 2-4 cm, erect, rachis and bracts glabrous. Flowers white. Male flowers more than 15, inserted on almost all rachis, sessile; bracts and tepals broadly ovate, bracts small, tepals 2.5-3.5 mm; filaments ca. 7 mm; sterile pistil ca. 0.6 mm. Female flowers 1 or 2, inserted basally on rachis or sometimes solitary apically in 1 or 2 leaf axils, flower and pedicel ca. 4 mm; bracts and tepals ovate, imbricate; styles exserted after pollinated, apex convolute. Fruit ovoid, 5-6 mm; persistent styles thick and reflexed, 5-10 mm. Fl. and fr. Apr-May.
Shady and damp land in forests; 1000-2600 m. Gansu, Hubei, Shaanxi, Sichuan, Zhejiang [Japan].
(责任编辑:徐晔春)

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