資料編號: | HK-4561 |
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植物科名: (APG新系統) | PIPERACEAE胡椒科 [找同科植物] |
標室舊系統 | PIPERACEAE胡椒科[找同科] |
生長習性: | 草本_灌木_攀緣 |
資料更新: | 20200102 11:49:36 pm |
備註: FOC: Herbs, shrubs, or climbers, rarely trees, usually aromatic[通常芳香]. Vascular bundles ± scattered in transverse section in a monocotyledonlike manner. Tip of stem sometimes enclosed within a stipulelike sheath, the prophyll, sometimes adnate to petiole, absent in Peperomia. Leaves alternate, often opposite or whorled in Peperomia, simple, base often asymmetric, palmately or pinnately veined. Inflorescence a pedunculate spike, rarely grouped into an umbel, rarely a raceme (in Zippelia), leaf-opposed or axillary, rarely terminal. Flowers small, bisexual, hermaphroditic, polygamous or dioecious, nearly always sessile; bracts small, usually peltate or cupular, usually without perianth. Stamens 1-10; filaments usually free; anthers 2-locular, distinct or connate, longitudinally dehiscent. Gynoecium 2-5-carpellate, connate; ovary superior, 1-locular, ovule 1, orthotropous; stigmas 1-5, sessile or with very short styles. Fruit a small drupe or nutlet; pericarp fleshy, thin or dry, sometimes with sticky papillae (in Peperomia) or glochidiate spines (in Zippelia). Seeds with copious starchy perisperm and a minute embryo embedded in small endosperm. | |
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