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广东万年青Aglaonema modestum

时间:2013-07-16 11:04来源:未知 作者:徐晔春 点击:
中文名( Chinese Name ):广东万年青 学名( Scientific Name ): Aglaonema modestum Schott ex Engl. 英文名( English Common Name ): 别名( Chinese Common Name ): 万年青草 异名( Synonym ): Aglaonema acutispathum N.E.Br.;Aglaonema la




中文名(Chinese Name):广东万年青
学名(Scientific Name):Aglaonema modestum Schott ex Engl.
英文名(English Common Name):
别名(Chinese Common Name):万年青草
异名(Synonym):Aglaonema acutispathum N.E.Br.;Aglaonema laoticum Gagnep.
科属(Family & Genus):天南星科(Araceae)广东万年青属
形态特征(Description):多年生常绿草本,茎直立或上升,高40-70厘米,粗1.5厘米,节间长1-2厘米,上部的短缩。鳞叶草质,披针形,长7-8厘米,长渐尖,基部扩大抱茎。叶柄长(5-)20厘米,1/2以上具鞘;叶片深绿色,卵形或卵状披针形,长15-25厘米,宽(6-)10-13厘米,不等侧,先端有长2厘米的渐尖,基部钝或宽楔形,I级侧脉4-5对,上举,表面常下凹,背面隆起,II级侧脉细弱,不显。花序柄纤细,长(5-)10-12.5厘米,佛焰苞长(5.5-)6-7厘米,宽1.5厘米,长圆披针形,基部下延较长,先端长渐尖,肉穗花序长为佛焰苞的2/3,具长1厘米的梗,圆柱形,细长,渐尖,雌花序长5-7.5毫米,粗5毫米;雄花序长2-3厘米,粗3-4毫米。雄蕊顶端常四方形,花药每室有2(-1)个圆形顶孔。雌蕊近球形,上部收缩为短的花柱;柱头盘状。浆果绿色至黄红色,长圆形,长2厘米,粗8毫米,冠以宿存柱头;种子1,长圆形,长1.7厘米。花期5月,果10-11月成熟。
分布(Distribution):产广东、广西至云南东南部(富宁、屏边),海拔500-1700米的密林下;南北各省常盆 栽置室内供药用和观赏。越南、菲律宾也有。
用途(Use):全株入药,据《岭南采药录》载:取其叶和精肉同煲,可治热血、咳血、大肠结热、小儿脱肛等症。又茎叶和片糖捣烂,可敷治狂犬咬伤。此外,还可用全草敷治蛇咬伤、咽喉肿痛、疔疮肿毒,煎水可洗痔疮。
引自中国植物志英文版FOC Vol. 23 Page 23
Aglaonema modestum Schott ex Engler in A. Candolle & C. Candolle, Monogr. Phan. 2: 442. 1879.
广东万年青 guang dong wan nian qing | Araceae  | Aglaonema
Plants erect. Stems green, 40-70 cm, 1.5-2 cm in diam. Leaves mostly crowded at stem apex; petiole green, 5-20 cm, sheathing for more than 1/2 length; leaf blade pale green abaxially, green adaxially, ovate to ovate-lanceolate, base obtuse or broadly cuneate, apex acuminate; primary lateral veins 4 or 5 per side, ascending and arching, secondary ones indistinct, parallel to primary veins. Peduncle (5-)10-12.5 cm. Spathe oblong-lanceolate, (5.5-)6-7 × 1.5-2 cm, apex long acuminate. Spadix cylindric, ca. 2/3 of spathe length, with a stipe ca. 10 mm; female zone 5-8 mm; ovary subglobose; style short; stigma disciform; male zone elongate, 2-3 cm × 3-4 mm; stamen apex truncate, quadrangular; anthers dehiscent by a pore. Berry green to yellow-red, red when ripe, oblong, ca. 20 × 8 mm. Seed oblong, ca. 1.7 cm. Fl. May, fr. Oct-Nov.
Dense forests, also widely cultivated in gardens as evergreen ornamental plants; 500-1700 m. Guangdong, Guangxi, Guizhou [N Laos, N Thailand, N Vietnam].
The plant is used externally as a medicine to treat snake and insect bites, hydrophobia, abscesses, and swelling.
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