八宝树Duabanga grandiflora

中文名(Chinese Name):八宝树
学名(Scientific Name):Duabanga grandiflora (Roxb. ex DC.) Walp.
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):Duabanga sonneralioides Buch.-Ham.  Lagerstroemia grandiflora Roxb. ex DC.  Duabanga sonneratioides Buch.-Ham.  Leptospartion grandiflorum (Roxb. ex DC.) Griff.
科属Family & Genus):海桑科(Sonneratiaceae)八宝树属
形态特征Description):乔木;树皮褐灰色,有皱褶裂纹;板状根不甚发达;枝下垂,螺旋状或轮生于树干上,幼时具4棱。叶阔椭圆形、矩圆形或卵状矩圆形,长12-15厘米,宽5-7厘米,顶端短渐尖,基部深裂成心形,裂片圆形,中脉在上面下陷,在下面凸起,侧脉20-24对,粗壮,明显;叶柄长4-8毫米,粗厚,带红色。花5-6基数;花梗长3-4厘米,有关节;花开放时长2.2-2.8厘米(不连花丝),直径3-4厘米;萼筒阔杯形,裂片长约2厘米,宽约1厘米;花瓣近卵形,连柄长2.5-3厘米,宽1.5-2厘米;雄蕊极多数,2轮排列,花丝长4-5厘米,花药长1-1.2厘米;子房半下位,6或5室,有胚珠多数,花柱长3-4厘米,柱头微裂。蒴果长3-4厘米,直径3.2-3.5厘米,成熟时从顶端向下开裂成6-9枚果爿;种子长约4毫米。花期春季。
分布(Distribution):产云南南部,生于海拔900-1500米的山谷或空旷地。印度、缅甸、泰国、老挝、柬埔寨、越南、马来西亚、印度尼西亚也有。
用途(Use):
引自中国植物志英文版:FOC Vol. 13 Page 276, 277   
Duabanga grandiflora (Roxburgh ex Candolle) Walpers, Repert. Bot. Syst. 2: 114. 1843.
八宝树 ba bao shu| Lythraceae  | Duabanga
Lagerstroemia grandiflora Roxburgh ex Candolle, Mém. Soc. Hist. Nat. Genève 32: 84. 1826; Duabanga sonneratioides Buchanan-Hamilton.
Trees, medium to tall, 30[-40] m tall, glabrous. Leaves rigid, distichous; petiole to 1.2 cm; leaf blade abaxially pale green, adaxially dark green, ovate to oblong, broad, 12-15 × 5-7 cm, abaxially glaucous, lateral veins [12-]20-24 pairs, base cordate, apex shortly acuminate. Corymbs 3-20-flowered, drooping at ends of branches; pedicels 3-4 cm, stout. Floral tube broadly campanulate, 1.6-2.5 × 1.8-3 cm; sepals (5 or)6, green, thick, enlarged in fruit. Petals 6, white, obovate, 2.5-3 × 1.5-2 cm. Stamens numerous, ca. 50 or more, white, surpassing petals. Capsules subglobose, 3-4 × [3-]4-4.5 cm, 6-9-valved. Seeds 4-6 mm. Fl. spring. 2n = 48.
Valley forests, open places, especially on river banks; 900-1500 m. S Yunnan [Cambodia, E India (including Andaman Islands), Laos, Malaysia, Myanmar, Thailand, Vietnam].
This species is used for timber. The flowers have an unpleasant odor.
 八宝树Duabanga grandiflora

八宝树Duabanga grandiflora

八宝树Duabanga grandiflora
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