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| 資料編號: | HK-132 |
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| 中文名稱: | 顯脈杜英_山模果 |
| 學名: | Elaeocarpus dubius [找同屬植物] |
| 英文名稱: | Mock Elaeocarpus |
| 植物科名: (APG新系統) | ELAEOCARPACEAE杜英科 [找同科植物] |
| 標室舊系統 | ELAEOCARPACEAE杜英科[找同科] |
| 生長習性: | 常綠喬木 |
| 原生/外來: | 香港原生植物 |
| 圖片花色: | white |
| 發現開花: | March_April |
| 特別特徵: | 葉柄頭尾腫脹_有葉枕_葉沒明顯下延 |
| 資料更新: | 20251013 10:20:35 pm |
| 備註: Crawford edited on 28/08/2025 : 葉基楔形至寬楔形，而無明顯下延 側脈數8-10，葉背脈腋偶有蟲菌穴 葉柄的長1－2(－3)cm，葉柄兩端有葉枕。幼株葉柄明顯比較短，這是杜英屬常見現象 成熟葉兩面無毛，或有疏柔毛殘留在葉背中脈附近 花瓣先端僅約1/3部分明顯撕裂；雄蕊花藥頂端有芒刺。 留意枝葉近似的物種在港有同屬的日本杜英(葉背有腺點) 、絹毛杜英(成熟葉葉背滿佈伏毛)、同科的猴歡喜(頂芽嫩枝近冇毛 顯脈杜英本地花期在杜英屬之中排最早開花，2-4月 Thank Crawford's info 顯脈杜英 內果皮外層主要由緻密、堅韌的放射狀纖維組成，這些纖維附著於果核上。 (thanks Crawford's info) FOC: Trees evergreen, to 25 m tall. Branchlets slender, silvery-gray pubescent at first, glabrescent. Leaves crowded at twig apices; petiole 1-2 cm, rarely to 3 cm, slender, glabrous, swollen at both ends; leaf blade oblong or lanceolate, 4-8 × 2-2.5 cm, rarely to 10 × 4 cm, thinly leathery, glabrous, lateral veins 8-10 per side, conspicuously raised on both surfaces, veinlets dense, prominently raised abaxially, not glandular, base broadly cuneate or obtuse, margin crenate, apex acute or acuminate, acumen obtuse. Racemes in axils of fallen and current leaves, 3-5 cm, 4-7-flowered; peduncles silvery gray-white pubescent. Pedicel ca. 5 mm, silvery-white pubescent. Flower buds ovoid-oblong. Sepals 5, conspicuously keeled, narrowly lanceolate, 7-8 × ca. 2 mm, abaxially minutely puberulent, apex acute. Petals 5, oblong, ca. as long as sepals, 7-8 × ca. 2.5 mm, both surfaces gray-white pubescent, upper 1/3 laciniate; segments 9-11. Stamens 20-23; filaments ca. 1 mm; anthers ca. 3.5 mm, with awn ca. 1.5 mm. Disk 10-lobed, pubescent. Ovary 3-loculed, pubescent; style ca. 5 mm. Drupe ellipsoid, 1-1.3 cm × 6-8 mm, glabrous[核果橢圓形，1-1.3 厘米 × 6-8 毫米，無毛]; endocarp bony, ca. 1 mm thick. Fl. Mar-Apr, fr. Apr-Jun. | |
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