水翁 Syzygium nervosum

中文名(Chinese Name):水翁
学名(Scientific Name):Syzygium nervosum DC.  
英文名(English Common Name):
别名(Chinese Common Name):水榕
异名(Synonym):Cleistocalyx operculatus (Roxb.) Merr. et Perry  Calyptranthes mangiferifolia Hance ex Walp.  Cleistocalyx cerasoides (Roxb.) I. M. Turner  Eugenia holtzei F. V. Muell.  Eugenia clausa C. B. Rob.  Eugenia divaricatocymosa Hayata  Eugenia operculata Roxb.  Syzygium angkolanum Miq.  Syzygium nodosum Miq.  Syzygium operculatum (Roxb.) Nied.  Syzygium cerasoides (Roxb.) Raizada  Eugenia cerasoides Roxb.  Syzygium wallichianum C.Presl  Jambosa nitida Korth.  Calyptranthes costata Buch.-Ham. ex Wall.  Calyptranthes cuneata Buch.-Ham. ex Wall.  Calyptranthes tatna Buch.-Ham. ex Wall.  Syzygium cleistocalyx (Merr.) P.S.Ashton  Cleistocalyx nitidus (Korth.) Blume  Eugenia cleistocalyx Merr.  Eugenia gigantea Ridl.  Eugenia holtziana F.Muell.  Eugenia paniala Roxb.  Syzygium nervosum var. obovatum (Kurz) A.Kumar  Eugenia operculata var. obovata Kurz  Cleistocalyx cerasoides var. paniala (Roxb.) I.M.Turner  Syzygium nervosum var. paniala (Roxb.) Craven & Biffin  Eugenia operculata var. paniala (Roxb.) King  Cleistocalyx nervosus var. paniala (Roxb.) J.Parn. & Chantaranothai  Cleistocalyx operculatus var. paniala (Roxb.) Chantaranothai & J.Parn.
科属(Family & Genus):桃金娘科(Myrtaceae)水翁属
形态特征(Description):乔木,高15米;树皮灰褐色,颇厚,树干多分枝;嫩枝压扁,有沟。叶片薄革质,长圆形至椭圆形,长11-17厘米,宽4.5-7厘米,先端急尖或渐尖,基部阔楔形或略圆,两面多透明腺点,侧脉9-13对,脉间相隔8-9毫米,以45度-65度开角斜向上,网脉明显,边脉离边缘2毫米;叶柄长1-2厘米。圆锥花序生于无叶的老枝上,长6-12厘米;花无梗,2-3朵簇生;花蕾卵形,长5毫米,宽3.5毫米;萼管半球形,长3毫米,帽状体长2-3毫米,先端有短喙;雄蕊长5-8毫米;花柱长3-5毫米。浆果阔卵圆形,长10-12毫米,直径10-14毫米,成熟时紫黑色。花期5-6月。
分布(Distribution):产广东、广西及云南等省区,喜生水边。分布于中南半岛、印度、马来西亚、印度尼西亚及大洋洲等地。
用途(Use):花及叶供药用,含酚类及黄酮甙,治感冒;根可治黄疽性肝炎。
引自中国植物志英文版:FOC Vol. 13 Page 335, 340, 344
Syzygium nervosum Candolle, Prodr. 3: 260. 1828.
水翁蒲桃 shui weng pu tao | Myrtaceae  | Syzygium
Calyptranthes mangiferifolia Hance ex Walpers; Cleistocalyx cerasoides (Roxburgh) I. M. Turner; C. operculatus (Roxburgh) Merrill & L. M. Perry; Eugenia cerasoides Roxburgh; E. clausa C. B. Robinson; E. divaricatocymosa Hayata; E. holtzei Mueller; E. operculata Roxburgh; Syzygium angkolanum Miquel; S. cerasoides (Roxburgh) Raizada; S. nodosum Miquel; S. operculatum (Roxburgh) Niedenzu.
Trees, to 15 m tall, many-branched. Bark grayish brown, thick. Branchlets flattened, furrowed. Petiole 1-2 cm; leaf blade oblong to elliptic, 11-17 × 4.5-7 cm, thinly leathery, both surfaces glandular punctate, secondary veins 9-13 on each side of midvein, 8-9 mm apart, and at an angle of 45°-60° from midvein, reticulate veins obvious, intramarginal veins ca. 2 mm from margin, base broadly cuneate to slightly rounded, apex acute to acuminate. Inflorescences lateral on leafless branches, paniculate, 6-12 cm. Buds oval, ca. 5 × 3.5 mm. Hypanthium hemispheric, ca. 3 mm, not stipitate. Calyptra 2-3 mm, apex beaked. Petals obsolete. Stamens 5-8 mm. Style 3-5 mm. Fruit violet to black when mature, broadly ovoid, 1-1.2 × 1-1.4 cm. Fl. May-Jun.
Forests, streams, also cultivated; 200-600 m. Guangdong, Guangxi, Hainan, Xizang (Cona), Yunnan [India, Indonesia, Malaysia, Myanmar, Sri Lanka, Thailand, Vietnam; N Australia].
水翁 Syzygium nervosum

水翁 Syzygium nervosum

水翁 Syzygium nervosum

水翁 Syzygium nervosum(责任编辑:徐晔春)

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