資料編號: | HK-1026 |
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中文名稱: | 番石榴屬(SPP) |
學名: | Psidium spp. [找同屬植物] |
植物科名: (APG新系統) | MYRTACEAE桃金娘科 [找同科植物] |
標室舊系統 | MYRTACEAE桃金娘科[找同科] |
生長習性: | 灌木_小喬木 |
特別特徵: | 單葉對生 |
資料更新: | 20230211 07:35:50 pm |
備註: 草莓番石榴 P. cattleianum:Branchlets terete[小枝圓柱狀]; leaf blade elliptic to obovate, abaxially glabrous, secondary veins obscure. 番石榴 P. guajava: Branchlets angled[小枝有棱]; leaf blade oblong to elliptic, abaxially pubescent, secondary veins obvious. 深圳植物誌: 喬木或灌木。樹皮平滑;嫩枝有毛。葉對生;葉片全緣,具羽狀脈。花較大,單生或2-3朵排成聚繖花序,腋生,4-5基數;苞片2;被絲托鐘形或梨形;萼片4-5,在花蕾時連結而閉合,開花時開展並分離,宿存;花瓣4-5枚,白色;雄蕊多數,離生,排成多輪,著生於花盤上,花藥橢圓狀,基部著生,藥室平行,縱裂;子房下位,與被絲托貼生,4-5室,每室有胚珠多顆,花柱線形,柱頭擴大。果為球形或梨形的肉質漿果,頂端有宿存萼片,胎座發達,肉質。種子多數,種皮堅硬,胚彎曲,胚軸長,子葉短。 FOC: Shrubs or small trees. Bark gray, smooth. Branchlets pubescent. Leaves opposite, petiolate; leaf blade pinnately veined. Flowers axillary, large, usually 1 or 2 per axil. Bracts 2. Hypanthium campanulate or urceolate. Calyx lobes 4 or 5, unequal. Petals 4 or 5, white. Stamens many, separate, in many whorls; anthers ellipsoid, basifixed, locules parallel, longitudinally dehiscent. Ovary inferior, adnate to hypanthium, 4- or 5-loculed or more; ovules numerous. Style linear; stigma expanded. Berry globose to pyriform, fleshy, many-seeded, apex with persistent calyx lobes; placenta well developed, fleshy. Seed coat hard; embryo curved; hypocotyl long; cotyledons short. | |
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