佛手瓜Sechium edule

中文名(Chinese Name):佛手瓜
学名(Scientific Name):Sechium edule (Jacq.) Sw.
英文名(English Common Name):chayote
别名(Chinese Common Name):洋丝瓜
异名(Synonym):Sicyos edulis Jacquem.  Chayota edulis (Jacq.) Jacq.  Sechium americanum Poir.  Sechium chayota Jacq. ex Hemsl.
科属Family & Genus):葫芦科(Cucurbitaceae)佛手瓜属
形态特征Description):具块状根的多年生宿根草质藤本,茎攀援或人工架生,有棱沟。叶柄纤细,无毛,长5-15厘米;叶片膜质,近圆形,中间的裂片较大,侧面的较小,先端渐尖,边缘有小细齿,基部心形,弯缺较深,近圆形,深1-3厘米,宽1-2厘米;上面深绿色,稍粗糙,背面淡绿色,有短柔毛,以脉上较密。卷须粗壮,有棱沟,无毛,3-5歧。雌雄同株。雄花10-30朵生于8-30厘米长的总花梗上部成总状花序,花序轴稍粗壮,无毛,花梗长1-6毫米;花萼筒短,裂片展开,近无毛,长5-7毫米,宽1-1.5毫米;花冠辐状,宽12-17毫米,分裂到基部,裂片卵状披针形,5脉;雄蕊3,花丝合生,花药分离,药室折曲。雌花单生,花梗长1-1.5厘米;花冠与花萼同雄花;子房倒卵形,具5棱,有疏毛,1室,具1枚下垂生的胚珠,花柱长2-3毫米,柱头宽2毫米。果实淡绿色,倒卵形,有稀疏短硬毛,长8-12厘米,径6-8厘米,上部有5条纵沟,具1枚种子。种子大型,长达10厘米,宽7厘米,卵形,压扁状。花期7-9月,果期8-10月。
分布(Distribution):原产南美洲,华南及西南有栽培。
用途(Use):果实作蔬菜。
引自中国植物志英文版FOC Vol. 19 Page 46
Sechium edule (Jacquin) Swartz, Fl. Ind. Occid. 2: 1150. 1800.
佛手瓜 fo shou gua| Cucurbitaceae  | Sechium
Sicyos edulis Jacquin, Enum. Syst. Pl. 32. 1760.
Stem angular-sulcate. Petiole slender, 5-15 cm, glabrous; leaf blade suborbicular, membranous, abaxially puberulent, adaxially slightly scabrous, base cordate, margin dentate, apex acuminate. Male flowers 10-30 on 8-30 cm peduncle, pedicels 1-6 mm; calyx tube short; segments explanate, 5-7 mm; corolla rotate, 12-17 mm; segments ovate-lanceolate. Female pedicel 1-1.5 cm; calyx and corolla as in male flowers; ovary obovoid, 5-angled; style 2-3 mm; stigma ca. 2 mm wide. Fruit pale green, obovoid, 8-15 × 6-8 cm, 5-sulcate in upper part, slightly hispid. Seed ca. 10 × 7 cm, compressed. Fl. Jul-Sep, fr. Aug-Oct.
Commonly cultivated in S China [native to Mexico; commonly cultivated in warm parts of the world].
The fruit is used as a vegetable.
佛手瓜Sechium edule

佛手瓜Sechium edule

佛手瓜Sechium edule

(责任编辑:徐晔春)

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