合果木Michelia baillonii

中文名(Chinese Name):合果木
学名(Scientific Name):Michelia baillonii (Pierre) Finet et Gagnep.
英文名(English Common Name):
别名(Chinese Common Name):合果含笑、山桂花
异名(Synonym):Paramichelia baillonii (Pierre) Hu  Aromadendron spongocarpum (King) Craib  Aromadendron yunnanense Hu  Magnolia baillonii Pierre  Talauma spongocarpa King  Talauma phellocarpa King  Aromadendron baillonii (Pierre) Craib  Magnolia baillonii var. bailingia Sima et H. Jiang  Magnolia phellocarpa (King) H. J. Chowdhery et P. Daniel  Michelia phellocarpa (King) Finet et Gagnep.
科属(Family & Genus):木兰科  Magnoliaceae 含笑属Michelia
形态特征(Description):大乔木,高可达3.5米,胸径1米,嫩枝、叶柄、叶背,被淡褐色平伏长毛。;叶椭圆形,卵状椭圆形或披针形,长6-22(-25)厘米,宽4-7厘米,先端渐尖,基部楔形、阔楔形,上面初被褐色平伏长毛,中脉凹入,残留有长毛,侧脉每边9-15条,网脉细密,干时两面凸起;叶柄长1.5-3厘米,托叶痕为叶柄长的1/3或1/2以上。花芳香,黄色,花被片18-21,6片1轮,外2轮倒披针形,长2.5-2.7厘米,宽约0.5厘米,向内渐狭小,内轮披针形,长约2厘米,宽约2毫米,雄蕊长6-7毫米,花药长约5毫米,药隔伸出成短锐尖,花丝长11.2毫米;雌蕊群狭卵圆形,长约5毫米,心皮完全合生,密被淡黄色柔毛,花柱红色,长约1毫米,雌蕊群柄长约3毫米,密被淡黄色柔毛;花梗长1-1.5厘米。聚合果肉质,倒卵圆形,椭圆状圆柱形,长6-10厘米,宽约4厘米,成熟心皮完全合生,具圆点状凸起皮孔,干后不规则小块状脱落;心皮中脉木质化,扁平,弯钩状,宿存于粗壮的果轴上。花期3-5月,果期8-10月。
分布(Distribution):产于云南(西双版纳、元江中游、思茅地区)。生于海拔500-1 500米的山林中。常与龙脑樟科树种混生。
用途(Use):树干通直,生长迅速,能耐短期低温(-2℃)。材质坚硬,美观,抗虫耐腐力强,为制造高级家具、重要建筑物的上等木材。
引自中国植物志英文版:FOC Vol. 7 Page 48, 51, 78, 80    
Michelia baillonii (Pierre) Finet & Gagnepain, Bull. Soc. Bot. France. 52(Mém. 4): 46. 1906.
合果木 he guo mu | Magnoliaceae  | Michelia
Magnolia baillonii Pierre, Fl. Forest. Cochinch. 1: t. 2. 1880; Aromadendron baillonii (Pierre) Craib; A. spongiocarpum (King) Craib; M. baillonii var. bailingia Sima & H. Jiang; M. phellocarpa (King) H. J. Chowdhery & P. Daniel; Michelia phellocarpa (King) Finet & Gagnepain; Paramichelia baillonii (Pierre) Hu; Talauma phellocarpa King; T. spongiocarpa King.
Trees, to 35 m tall, to 1 m d.b.h. Young twigs, petioles, and leaf blade abaxial surfaces pale brown appressed villous. Stipular scar 1/3-1/2 as long as petiole. Petiole 1.5-3 cm; leaf blade elliptic, ovate-elliptic, or narrowly ovate, 6-22(-25) × 4-7 cm, adaxially at first brown appressed villous, midvein impressed and remaining with long trichomes, secondary veins 9-15 on each side of midvein, reticulate veins dense, slender, and prominent on both surfaces when dry, base cuneate to broadly cuneate, apex acuminate. Brachyblasts 1-1.5 cm. Flowers fragrant. Tepals 18-21, 6 in a whorl, white but cream-colored in bud; tepals of outer 2 whorls oblanceolate, 2.5-2.7 × ca. 0.5 cm, gradually smaller and narrower inward; inner tepals lanceolate, ca. 2 cm × 2 mm. Stamens 6-7 mm; filaments 1-1.2 mm; connective exserted and forming a short sharp tip; anthers ca. 5 mm. Gynophore ca. 3 mm, densely pale yellow pubescent; gynoecium narrowly ovoid, ca. 5 mm; carpels completely connate, densely pale yellow pubescent; styles red, ca. 1 mm. Fruit obovoid to ellipsoid-cylindric, 6-10 × ca. 4 cm, fleshy; mature carpels completely connate, flat, hooked, with dotted prominent lenticels; midribs of carpels persistent on fruiting axis after carpels dehisce. Fl. Mar-May, fr. Aug-Oct. 2n = 38.
Forests; 500-1500 m. S Yunnan [Cambodia, India (Assam), Myanmar, Thailand, Vietnam].
This species is used for timber.
 合果木Michelia baillonii

合果木Michelia baillonii
(责任编辑:徐晔春)

顶一下[0]

踩一下[2]