疏果胡椒
疏果胡椒 |
中文名:疏果胡椒 拉丁学名:Piper interruptum Opiz 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:胡椒目 科:胡椒科 属:胡椒属 亚 属:胡椒亚属 组:胡椒组 种:疏果胡椒 拼 音:shū guǒ hú jiāo |
疏果胡椒(shū guǒ hú jiāo,学名:Piper interruptum)为胡椒科胡椒属的植物。分布于台湾岛、菲律宾等地,多生于林中。 [1]
目录
疏果胡椒形态特征
攀援藤本;枝具明显纵棱,无毛,直径2-4.5毫米。叶硬膜质或纸质,无明显腺点,阔卵形至长卵形,长6-13厘米,宽4-7厘米,顶端短尖或短渐尖;
基部圆或短狭,两侧近相等或略有不等,两面均无毛;叶脉5条,稀有7条,基出,如为7脉时,则最外1对细弱,近叶缘斜升约1.5厘米即消失,网状脉在背面明显,网眼大;
叶柄长1-2.5厘米,无毛,基部具鞘,下部的叶柄长可达4厘米。花单性,雌雄异株,聚集成与叶对生的穗状花序。雄花序长11-27厘米,直径1.5-3毫米;总花梗无毛,约与叶柄等长;
花序轴被疏柔毛;苞片长圆形,腹面贴生于花序轴上,边缘和顶部分离,长3-4毫米,宽约1毫米,顶端钝或近浑圆;雄蕊2或3枚,2枚侧生,1枚生于后方,后者通常小,花丝与花药等长或略长。
雌花序长7-17厘米,花不完全发育,于果期形成间断或疏松的穗状果序;总花梗与其相对的叶柄近等长,无毛;苞片和花序轴与雄花序的相同;子房离生,柱头4-5,卵形,顶端短尖。
浆果卵形或卵状球形,长3-6毫米,直径2-4毫米,平滑无毛。花期5-6月。 [2]
分类文献
Piper interruptum Opiz in Presl. Rel. Haenk. 1: 157. 1828; C. DC. in Philip. Journ. Sci. Bot. 5: 448. 1910; Quis. in Philip. Journ. Sci. 43: 154. 1930; Liu, Sasaki & Keng in Quart. Journ. Taiwan Mus 8. 285. 1955.
Piper interruptum var. multinervum C. de Candolle.
Climbers dioecious. Stems 2-4.5 mm thick, ridged, glabrous. Petiole 1-2.5(-4) cm, glabrous, sheathed at base only; leaf blade ovate to long ovate, 6-13 × 4-7 cm, ± membranous or papery, without evident glands, both surfaces glabrous, base rounded or shortly tapered, ± symmetric, apex acute or shortly acuminate; veins 5(-7), all basal; reticulate veins abaxially prominent, lax. Spikes leaf-opposed.
Male spikes 11-27 cm × 1.5-3 mm; peduncle ca. as long as petioles, glabrous; bracts oblong, 3-4 × ca. 1 mm, adnate to rachis, margin free, apex ± rounded. Stamens 2(or 3).
Female spikes 7-17 cm, flowers unevenly developed, sparse or interrupted in fruit; peduncle nearly as long as opposite leaves, glabrous; rachis and bracts as in male spikes. Ovary distinct, ovoid, apex acute; stigmas 4 or 5. Drupe ovoid or ovoid-globose, 3-6 × 2-4 mm, smooth. Fl. May-Jun.
Forests. Taiwan [Indonesia, Philippines; Pacific Islands ?]
No Chinese material has been seen by the authors.
疏果胡椒生长环境
主要生长于林中。[3]
疏果胡椒分布范围
参考来源
- ↑ 疏果胡椒, 植物智, 2020-01-18
- ↑ 疏果胡椒Piper interruptum Opiz _植物通 种中文名:疏果胡椒 种拉丁名:Piper interruptum Opiz 科中文名:胡椒科 科拉丁名:Piperaceae 属中文名:胡椒属 属拉丁名:Piper 国内分布:产我国台湾兰屿和花莲 ...
- ↑ PPBC中国植物图像库——最大的植物分类图片库 疏果胡椒 Piper interruptum疏果胡椒 Piper interruptum 杨雁 @ 台湾 台湾 台北植物园 疏果胡椒 Piper interruptum 杨雁 @ 台湾 台湾 台北植物园...
- ↑ 疏果胡椒 Piper interruptum 疏果胡椒(shū guǒ hú jiāo)PPBCCVHColDuocetCFHeFlorasEOLTPLIPNIBHLPOWOGBIFiDigBioBingBaiduPiper interruptum异名: Piper interr