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資料編號: | HK-6521 |
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中文名稱: | 栓皮櫟 |
學名: | Quercus variabilis [找同屬植物] |
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 |
圖片花色: | yellow |
發現開花: | Feb |
資料更新: | 20231112 11:56:18 am |
備註: 麻櫟 Quercus acutissima: 葉底綠色 栓皮櫟 Quercus variabilis: 葉底灰白色 thanks Crawford's info 雄花花梗有絨毛,花萼淡褐色,裂片背面上部有毛茸,內面光滑無毛;雄蕊 6~7 枚 雌花生長於新枝條葉腋,有短梗,單生或少數叢生,花柱短,柱頭3 枚。 thanks Elaine Lai's info Ref: 葉革質,長橢圓狀卵形至闊披針形,先端漸尖,基部鈍或圓,葉緣為芒尖鋸齒緣,下表面灰白色,被星狀短毛,長 8~18 公分,寬 3~5 公分;葉柄長 1.0~2.9 公分,側脈 9~18 對。 FOC: Trees to 30 m tall, deciduous. Branchlets grayish brown, glabrous. Petiole 1-3(-5) cm, glabrous; leaf blade ovate-lanceolate to narrowly elliptic, 8-15(-20) × 2-6(-8) cm, abaxially densely grayish stellate tomentose[背面密被灰色星狀絨毛], base rounded to broadly cuneate, margin with spiniform teeth, apex acuminate; secondary veins 13-18 on each side of midvein; tertiary veins abaxially slender, evident, ± parallel. Female inflorescences axillary on apical part of young shoot. Cupule cupular, ca. 1.5 × 2.5-4 cm including bracts, enclosing 2/3 of nut; bracts subulate, inflexed, pilose. Nut subglobose to broadly ovoid, ca. 1.5 cm in diam., apex rounded, pale brown sericeous; scar ca. 1 cm in diam., raised; stylopodium ca. 2 mm in diam., pale brown tomentose. Fl. Mar-Apr, fr. Sep-Oct of following year. 中國植物誌: 落葉喬木,高達30米,胸徑達1米以上,樹皮黑褐色,深縱裂,木栓層發達。小枝灰棕色,無毛;芽圓錐形,芽鱗褐色,具緣毛。葉片卵狀披針形或長橢圓形,長8-15 (-20) 厘米,寬2-6 (-8) 厘米,頂端漸尖,基部圓形或寬楔形,葉緣具刺芒狀鋸齒,葉背密被灰白色星狀絨毛,側脈每邊13-18條,直達齒端;葉柄長1-3 (-5)厘米,無毛。雄花序長達14厘米,花序軸密被褐色絨毛,花被4-6裂,雄蕊10枚或較多;雌花序生於新枝上端葉腋,花柱30殼鬥杯形,包著堅果2/3,連小苞片直徑2.5-4厘米,高約1.5厘米;小苞片鑽形,反曲,被短毛。堅果近球形或寬卵形,高、徑約1.5厘米,頂端圓,果臍突起。花期3-4月,果期翌年9-10月。 | |
如資料有任何錯誤,歡迎聯絡本會. info@hkcww.org | |
更多圖片(組員Facebook群組貼圖,只供組員參考): Crawford Law 貼圖1 | Crawford Law 貼圖2 | |
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