蛇瓜Trichosanthes anguina

中文名(Chinese Name):蛇瓜
学名(Scientific Name):Trichosanthes anguina L.
英文名(English Common Name):snakegourd
别名(Chinese Common Name):蛇豆
异名(Synonym):Trichosanthes cucumerina var. anguina (L.) Haines  Cucumis anguina L.
科属(Family & Genus):葫芦科(Cucurbitaceae)栝楼属
形态特征(Description):一年生攀援藤本;茎纤细,多分枝,具纵棱及槽,被短柔毛及疏被长柔毛状长硬毛。叶片膜质,圆形或肾状圆形,长8-16厘米,宽12-18厘米,3-7浅裂至中裂,有时深裂,裂片极多变,通常倒卵形,两侧不对称,先端圆钝或阔三角形,具短尖头,边缘具疏离细齿,叶基弯缺深心形,深约3厘米,上面绿色,被短柔毛及散生长柔毛状长硬毛,背面淡绿色,密被短柔毛,主脉5-7条,直达齿尖,细脉网状;叶柄长3.5-8厘米,具纵条纹,密被短柔毛及疏被柔毛状长硬毛。卷须2-3歧,具纵条纹,被短柔毛。花雌雄同株。雄花组成总状花序,常有1单生雌花并生,花序梗长10-18厘米,疏被短柔毛及长硬毛,顶端具8-10花,花梗细,长5-12毫米,密被短柔毛;苞片钻状披针形,长3 (-5) 毫米;花萼筒近圆筒形,长2.5-3厘米,顶端略扩大,径4-5毫米,密被短柔毛及疏被长柔毛状硬毛,裂片狭三角形,长约2毫米,基部宽约1毫米,反折;花冠白色,裂片卵状长圆形,长7-8毫米,宽约3毫米,具3脉,流苏与花冠裂片近等长;花药柱卵球形,长约3毫米,花丝纤细,长约2毫米;退化雌蕊具3枚纤细分离的花柱。雌花单生,花梗长不及1厘米,密被长柔毛;花萼及花冠同雄花;子房棒状,长2.5-3厘米,径约3毫米,密被极短柔毛及长柔毛状硬毛。果实长圆柱形,长1-2米,径3-4厘米,通常扭曲,幼时绿色,具苍白色条纹,成熟时橙黄色,具种子10余枚。种子长圆形,藏于鲜红色的果瓤内,长11-17毫米,宽8-10毫米,灰褐色,种脐端变狭,另端圆形或略截形,边缘具浅波状圆齿,两面均具皱纹。花果期夏末及秋季。
分布(Distribution):原产印度,我国南北均有栽培。
用途(Use):本种果实供蔬食,并可消渴,治黄疸;根和种子止泻、杀虫。
引自中国植物志英文版FOC Vol. 19 Page 37, 38
Trichosanthes anguina Linnaeus, Sp. Pl. 2: 1008. 1753.
蛇瓜 she gua | Cucurbitaceae  | Trichosanthes
Trichosanthes cucumerina Linnaeus var. anguina (Linnaeus) Haines.
Plants annual. Stems slender, branched, angular, puberulent. Petiole 3-7 cm; leaf blade suborbicular or orbicular-reniform, 8-16 × 6-18 cm, membranous, ± deeply 5(rarely 3-7)-lobed; lobes usually obovate, abaxially densely puberulent, adaxially subglabrous, margin finely denticulate. Plant monoecious. Male raceme usually 8-15-flowered; peduncle 10-18 cm, puberulent; pedicel erect, 5-12 cm, minutely spreading bracteate, bracts 3(-5) mm; calyx tube subcylindric, slightly dilated at apex, 2.5-3 × 4-5 mm, puberulent; segments reflexed, ca. 2 mm. Female flowers solitary; peduncle up to 1 cm; ovary narrowly fusiform, ± villous. Fruit very long, cylindric, 100-200 × 3-4 cm, smooth, sometimes contorted. Seed oblong, 11-17 × 8-10 mm, finely rugulose, margin undulate. Fl. and fr. summer-autumn.
Cultivated in China [cultivated throughout the tropics].
The fruit is eaten as vegetable. The roots and seeds are used medicinally for treating diarrhea.
One of us (Jeffrey) treats this taxon as Trichosanthes cucumerina var. anguina.
蛇瓜Trichosanthes anguina

蛇瓜Trichosanthes anguina

蛇瓜Trichosanthes anguina

(责任编辑:徐晔春)

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