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大叶风吹楠Horsfieldia kingii

时间:2018-06-27 15:53来源:未知 作者:徐晔春 点击:
中文名 ( Chinese Name ): 大叶风吹楠 学名 ( Scientific Name ): Horsfieldia kingii (Hook. f.) Warb. 英文名( English Common Name ): 别名( Chinese Common Name ): 异名( Synonym ): Horsfieldia tetratepala C. Y. Wu Horsfieldia hain
中文名Chinese Name):大叶风吹楠
学名Scientific Name): Horsfieldia kingii (Hook. f.) Warb.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Horsfieldia tetratepala C. Y. Wu  Horsfieldia hainanensis Merr.  Myristica kingii Hook. f.
科属(Family & Genus):肉豆蔻科(Myristicaceae)风吹楠属
形态特征(Description):乔木,高6-10米;小枝髓中空,皮层棕褐色,幼时光滑,疏生长椭圆形小皮孔,无毛。叶坚纸质,倒卵形或长圆状倒披针形,长(12-)28-55厘米,宽(5-)15-22厘米,先端锐尖,有时钝,基部渐狭,成宽楔形,除有时中肋被微柔毛外,其余两面无毛;侧脉14-18对,中肋表面下陷成深沟槽,背面微隆起,侧脉至近边缘处多数分叉网结,第三次小脉稀疏,近平行,互相网结,几不明显;叶柄长(1.5-)2.5-4厘米,宽2-3(-5)毫米,具深沟槽,无毛。雄花序腋生或通常从落叶腋生出,长9-15厘米,被疏而短的微绒毛,分枝稀疏,花几成簇,球形;花梗细,略与花等长或近等长;花被2-3裂,裂片阔卵形,先端锐尖;花药12枚,合生成球形;雌花序短,长3-7厘米,多分枝,花近球形,比雄花大,不密集;花被片2或3深裂;子房倒卵球形,被绒毛,柱头无柄。果长圆形,两端渐狭,长4-4.5厘米,中部真径约2.5厘米,盘状花被裂片肥厚,宿存,围绕在果的基部,果外面无毛;果皮厚,革质;假种皮薄,完全包被种子;种子长圆状卵球形,顶端微尖;种皮厚,光清无毛,具光泽,褐色。果期10-12月。
分布(Distribution):产于云南盈江、瑞丽、龙陵、沧源、景洪等地。生于海拔800-1 200米的沟谷密林中。锡金、印度东北部、孟加拉也有分布。
用途Use):
引自中国植物志英文版FOC Vol. 7 Page 100     
Horsfieldia kingii (J. D. Hooker) Warburg, Monogr. Myristic. 308. 1897.
大叶风吹楠 da ye feng chui nan | Myristicaceae  | Horsfieldia
Myristica kingii J. D. Hooker, Fl. Brit. India 5: 106. 1886; Horsfieldia hainanensis Merrill; H. tetratepala C. Y. Wu & W. T. Wang.
Trees to 12 m tall; twigs hollow, smooth or with small lenticels, puberulent to glabrous, dark brown. Leaves in (3-)5 rows; petioles 2.5-4 cm, with deep groove, glabrous; leaf blade obovate or oblanceolate, (12-)28-55 × 5-15 cm, papery, both surfaces glabrous except sometimes midvein pubescent, base narrowed and then acute, or broadly cuneate, apex acute or shortly acuminate, sometimes blunt; lateral veins 14-18 pairs, midvein raised abaxially, sunken adaxially, tertiary veins sparse, nearly parallel, obscure. Plants dioecious. Male inflorescences axillary or arising from axils of deciduous leaves, 9-15 cm, tomentulose to nearly glabrous. Male flowers: pedicel slender, 1-2 mm, nearly as long as flowers; bud globose, 3- or 4-angled, leathery when dry, lobes (2 or)3 or 4(or 5), splitting bud to ca. 3/4; anthers 12-20, connate into globose synandrium. Female inflorescences 3-7 cm, branched. Female flowers: buds nearly globose or obovoid, ca. 5 mm, larger than male, not clustered, lobes 2 or 3; ovary obovoid, pubescent; stigmas sessile. Fruit ovoid to oblong-ellipsoid, 4-4.5 × ca. 2.5 cm, narrowed at ends, early glabrescent; perianth persistent; pericarp thick, leathery. Seeds ovoid, with slightly pointed apex; testa thick, brown and glossy; aril thin, entire. Fl. Apr-Aug, fr. Oct-Dec.
Dense forests in ravines; 800-1200 m. Guangxi, Hainan, Yunnan [India (Assam, Sikkim), N Thailand].




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