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穗萼叶下珠
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中文名:穗萼叶下珠
界:植物界
门:被子植物门
纲:双子叶植物纲
亚 纲:原始花被亚纲
目:大戟目
亚 目:大戟亚目
科:[[大戟科]]
亚 科:叶下珠亚科
属:[[叶下珠属]]
分布区域:中国[[云南]]西南地区
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'''穗萼叶下珠'''(suì è yè xià zhū),学 名:Phyllanthus fimbricalyx P. T. Li,[[大戟科]]灌木,高约1米。产于[[云南]]西南部,生于海拔1000-1100米山谷密林中。
<ref>[http://www.iplant.cn/info/%CB%EB%DD%E0%D2%B6%CF%C2%D6%E9 穗萼叶下珠], 植物智, 2020-01-18</ref>
==穗萼叶下珠形态特征==
灌木,高约1米;茎灰褐色,与小枝和叶柄同样被粗硬毛;枝条圆柱形,长达70厘米。叶片纸质,长圆形或长卵形,长7-12厘米,宽3-4.5厘米,顶端短渐尖;
基部圆,不对称,上面无毛,下面被糠秕状毛;侧脉每边7-8条;叶柄长约3毫米;托叶卵状披针形,长3- 5毫米,着生于叶柄基部两侧。
花紫红色,雌雄同株,3-7朵组成腋生的聚伞花序,总花序梗短;苞片披针形,膜质;雄花:生于枝条下部,花梗丝状,长1-1.5厘米,被疏短柔毛;
萼片4,呈花瓣状,长卵形,长约2毫米,外面被微毛,内面无毛,边缘呈流苏状。雄蕊4,花丝合生,药室2,横裂;花盘腺体4;
雌花:生于枝条上部,花梗长约1厘米,上部较粗,被短柔毛;萼片5,呈花瓣状,长椭圆形,长约3毫米,宽约1.5毫米,两面被微毛,边缘呈流苏状;
花盘杯状,围绕子房,且与子房等高,顶端边缘浅波状;子房近球形,3室,每室2颗胚珠,花柱3,顶端2深裂,裂片直立,线形。花期6月。
Shrubs, ca. 1 m tall, monoecious; stem gray-brown, hispid; branches terete, to 70 cm, hispid. Stipules ovate-lanceolate, 3-5 mm; petiole ca. 3 mm, hispid; leaf blade oblong or oblong-ovate, 7-12 × 3-4.5 cm, papery, abaxially scurfy-hairy, adaxially glabrous, base rounded, oblique, apex shortly acuminate; lateral veins 7 or 8 pairs. Inflorescence an axillary cyme, 3-7-flowered, those along proximal part of branchlet male, distal inflorescences female; peduncle short; bracts lanceolate, membranous.
Male flowers: pedicels filamentous, 1-1.5 cm, sparsely pubescent; sepals 4, oblong-ovate, ca. 2 mm, purple, puberulent outside, glabrous inside, margin fimbriate; disk glands 4; stamens 4; filaments connate; anthers transversely dehiscent.
Female flowers: pedicels ca. 1 cm, thicker at apex, pubescent; sepals 5, oblong-elliptic, ca. 3 × 1.5 mm, both surfaces puberulent, margin fimbriate; disk cup-shaped, as long as ovary and enclosing it, apex slightly undulate; ovary subglobose, 3-celled; styles 3, deeply bifid at apex, lobes erect, linear. Fl. Jun-Sep, fr. Aug-Oct.
==分类文献==
Phyllanthus fimbricalyx P. T. Li in Acta Phytotax. Sin. 25: 380. fig. 4. 1987.
==穗萼叶下珠生长环境==
穗萼叶下珠生于海拔1000-1100米山谷密林中。
==穗萼叶下珠分布范围==
穗萼叶下珠产于中国云南西南地区。
== 参考来源 ==
{{reflist}}
[[Category:370 植物學總論]]