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锥栗Castanea henryi

时间:2013-09-11 10:23来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):锥栗 学名( Scientific Name ): Castanea henryi (Skan) Rehd. et Wils. 英文名( English Common Name ): 别名( Chinese Common Name ): 尖栗、旋栗 异名( Synonym ): Castanea vilmoriniana Dode Castanea sativa va
中文名(Chinese Name):锥栗
学名(Scientific Name):Castanea henryi (Skan) Rehd. et Wils.
英文名(English Common Name):
别名(Chinese Common Name):尖栗、旋栗
异名(Synonym):Castanea vilmoriniana Dode  Castanea sativa var. acuminatissima Seemen  Castanopsis henryi Skan
科属(Family & Genus):壳斗科(Fagaceae)栗属
形态特征(Description):高达30米的大乔木,胸径1.5米,冬芽长约5毫米,小枝暗紫褐色,托叶长8-14毫米。叶长圆形或披针形,长10-23厘米,宽3-7厘米,顶部长渐尖至尾状长尖,新生叶的基部狭楔尖,两侧对称,成长叶的基部圆或宽楔形,一侧偏斜,叶缘的裂齿有长2-4毫米的线状长尖,叶背无毛,但嫩叶有黄色鳞腺且在叶脉两侧有疏长毛;开花期的叶柄长1-1.5厘米,结果时延长至2.5厘米。雄花序长5-16厘米,花簇有花1-3 (-5)朵;每壳斗有雌花1(偶有2或3)朵,仅1花(稀2或3)发育结实,花柱无毛,稀在下部有疏毛。成熟壳斗近圆球形,连刺径2.5-4.5厘米,刺或密或稍疏生,长4-10毫米;坚果长15-12毫米,宽10-15毫米,顶部有伏毛。花期5-7月,果期9-10月。
分布(Distribution):广布于秦岭南坡以南、五岭以北各地,但台湾及海南不产。生于海拔100-1800米的丘陵与山地,常见于落叶或常绿的混交林中。
用途(Use):本种是高大乔木,树干挺直,生长迅速,属优良速生树种。
引自中国植物志英文版FOC Vol. 4 Page 316
Castanea henryi (Skan) Rehder & E. H. Wilson in Sargent, Pl. Wilson. 3: 196. 1916.
锥栗 zhui li  | Fagaceae  | Castanea
Castanopsis henryi Skan in F. B. Forbes & Hemsley, J. Linn. Soc., Bot. 26: 523. 1899; Castanea sativa Miller var. acuminatissima Seemen; C. vilmoriniana Dode.
Trees to 30 m tall. Petiole 1-2.5 cm; leaf blade oblong-ovate, oblong-lanceolate, or lanceolate, 10-23 cm, abaxially covered with yellowish brown scalelike glands and sparsely pilose along veins when young, glabrescent, base rounded to broadly cuneate but narrowly cuneate when young, margin with bristlelike teeth 2-4 mm, apex long acuminate. Male inflorescences 5-16 cm. Female flowers 1(-3) per cupule. Cupules on a short spike, 2.5-3.5 cm in diam. including bracts, covered with slightly pubescent spinelike bracts. Nut 1 per cupule, globose-ovoid, 1.5-2 cm, longer than wide. Fl. May-Jul, fr. Sep-Oct.
* Mixed mesophytic forests on mountain slopes; 100-1800 m. Anhui, Fujian, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Sichuan, Yunnan, Zhejiang
Castanea henryi var. omeiensis W. P. Fang (Acta Phytotax. Sin. 9: 307. 1964) has stellate tomentose hairs on the young leaf blades and 1-3 nuts per cupule, and is probably not a variety of C. henryi but rather a hybrid between C. henryi and C. mollissima.  





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