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資料編號: | HK-106 |
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中文名稱: | 福建青岡 |
學名: | Cyclobalanopsis chungii* [找同屬植物] |
異名: | Quercus chungii |
英文名稱: | Chung`s Oak |
植物科名: (APG新系統) | FAGACEAE殼斗科 [找同科植物] |
標室舊系統 | FAGACEAE殼斗科[找同科] |
生長習性: | 喬木 |
原生/外來: | 香港原生植物 |
圖片果色: | green |
資料更新: | 20231117 11:22:18 pm |
備註: 娃娃手記: 1.葉緣不反捲 2.基部寬楔形或近圓形 3.成長葉,葉正面漸無毛,而葉背依然密佈棕灰色星狀絨毛 4.小枝嫩葉兩面密被銹毛 5.側脈9-15對 不少品種嫩葉都有被毛,而到葉成熟階段毛被都會掉落至肉眼上近無毛或者無毛的狀態。不過亦都有品種成熟葉階段被毛依然相當明顯。福建青岡小枝嫩葉兩面密被銹毛,葉正面漸無毛,而葉背依然密佈棕灰色星狀絨毛。 thanks Crawford's info *廣義櫟屬 = 狹義櫟屬 + 青岡屬 FOHK: Tree, to 15 m tall. Branchlets, petioles and inflorescence densely brown stellate tomentose. Leaves thinly leathery; petioles 1–2.2 cm; leaf blade obovate, obovate-elliptic to elliptic, 5–12 × 1.5–4 cm, base broadly cuneate to subrounded, apex short-caudate, rarely acute, margin obscurely serrulate or crenulate towards apex, rarely entire, adaxially glabrous and shining when full-grown, abaxially densely greyish brown stellate-tomentose; lateral veins 9–15 on each side of midvein. Male spike unknown; Female spikes erect, 1.5–2 cm, with 2–6 cupules. Cupule discoid, 6–8 mm high, 1.2–1.8 cm in diam., brown-tomentose outside, enclosing 1/4–1/3 of nut; bracts in 5–7 concentric rings. Nut compressed globose or ovoid, 1.5–2.1 cm high, 1.4–1.8 cm in diam., top flat-rounded, minutely tomentose; scar 1–1.2 cm in diam. 中國植物誌: 常綠喬木,高達15米。小枝密被褐色短絨毛,後漸脫落。葉片薄革質,橢圓形稀為倒卵狀橢圓形,長6-10 (-12) 厘米,寬1.5-4厘米,頂端突尖或短尾狀,基部寬楔形或近圓形,葉緣不反曲,頂端有數對不明顯淺鋸齒,稀全緣,中脈、側脈在葉面均平坦,在葉背顯著凸起,側脈每邊10-15條,葉密生灰褐色星狀短絨毛,星狀毛8-10分叉;葉柄長(0.5-) 1-2厘米,被灰褐色短絨毛;托葉早落。 雌花序長1.5-2厘米,有花2-6朵,花序軸及苞片均密被褐色絨毛。果序長1.5-3厘米。殼鬥盤形,包著堅果基部,直徑1.5-2.3厘米,高5-8厘米,被灰褐色絨毛;小苞片合生成6-7條同心環帶,除下部2環具裂齒外均全緣。堅果扁球形,直徑約1.4-1.7厘米,高約1.5厘米,頂端平圓,微有細絨毛,果臍平坦或微凹陷,直徑約1厘米。 | |
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