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耳柯Lithocarpus haipinii

时间:2013-09-11 10:30来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):耳柯 学名( Scientific Name ): Lithocarpus haipinii Chun 英文名( English Common Name ): 别名( Chinese Common Name ): 菴耳柯 异名( Synonym ): Lithocarpus neotsangii A. Camus 科属( Family Genus ): 壳斗
中文名(Chinese Name):耳柯
学名(Scientific Name):Lithocarpus haipinii Chun
英文名(English Common Name):
别名(Chinese Common Name):菴耳柯
异名(Synonym):Lithocarpus neotsangii A. Camus
科属(Family & Genus):壳斗科(Fagaceae)柯属
形态特征(Description):乔木,高达30米,胸径80厘米,当年生枝、叶柄、叶背及花序轴均密被灰白或灰黄色长柔毛,二年生枝的毛较稀疏且变污黑色。叶厚硬且质脆,宽椭圆形,卵形,倒卵形或倒卵状椭圆形,长8-15厘米,宽4-8厘米,顶端圆或短突尖,有时短尾状,向一侧偏斜,基部圆或阔楔形,常一侧略短,叶缘背卷,侧脉每边9-13,支脉在叶面均凹陷;叶柄长2-3.5厘米。雄穗状花序多穗排成圆锥花序;雌花序较短,通常生于枝顶部,长6-14 厘米;雌花每3-5朵一簇,花柱劲直,长1.5-2毫米。幼嫩壳斗全包幼小的坚果,苞片短线状,成熟壳斗碟状或盆状,高3-6毫米,宽15-25毫米,壳壁增厚,近木质,小苞片稍增长的短线状,向下弯垂,顶端弯勾,长3-5毫米;坚果近圆球形而略扁,底部平坦,高18-26毫米,宽20-30毫米,栗褐色,嫩时被灰白色粉霜,柱座短突起,透熟时有纵裂缝,果脐凹陷,深2-4毫米,口径8-14毫米。花期7-8月,果次年同期成熟。
分布(Distribution):产湖南、广东、香港、广西、贵州南部。生于海拔约1000米以下的山地杂木林中。较干燥的缓坡较常见。
用途(Use):
引自中国植物志英文版FOC Vol. 4 Page 369
Lithocarpus haipinii Chun, J. Arnold Arbor. 28: 233. 1947.
菴耳柯 an er ke  | Fagaceae  | Lithocarpus
Trees to 30 m tall; branchlets, petioles, and rachis of inflorescences densely with grayish to tawny long hairs. Petiole 2-3.5 cm; leaf blade broadly elliptic, ovate, obovate, or obovate-elliptic, 8-15 × 4-8 cm, rigidly leathery, abaxially densely pilose, margin recurved, apex rounded to acute, sometimes shortly cuneate, and often asymmetric; secondary veins 9-13 on each side of midvein, secondary and tertiary veins adaxially impressed; tertiary veins abaxially slender, evident. Male inflorescences in a panicle, densely brown tomentose. Female inflorescences shorter than male, usually terminal at apex of branches, 6-14 cm; cupules in clusters of 3-5. Young cupules completely enclosing nut; bracts linear. Mature cupules plate-shaped, 3-6 mm × 1.5-2.5 cm, wall ± woody; bracts reflexed, tip hooked. Nut subglobose but slightly depressed, 1.8-2.6 × 2-3 cm, white farinose when young, base flat; scar 0.8-1.4 cm in diam., concave. Fl. Jul-Aug, fr. Jul-Aug of following year.
* Mixed mesophytic forests, frequent on gentle dry slopes; below 1000 m. Guangdong, Guangxi, S Guizhou, S Hunan


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