大果西番莲,英名giant granadilla,学名passiflora quadrangularis L.通常在热带栽培。类似的几个种在许多地区广为栽培。在西番莲属中,大果西番莲的果实最大。 大果西番莲的茎有很明显的四棱,并有四个叶翼瓣。长5至50米,光滑,黄绿色。翼瓣宽0.2～0.3厘米,暗绿,全缘。卷须腋生,生长旺,黄绿色,暗淡,无毛,沿支撑物螺旋缠绕或弯曲生长。长22.5～35厘米,粗0.15～0.2厘米。叶片革质,光滑,全缘,卵圆或椭圆,基部阔圆心形,先端尖,边缘透明,上面暗绿有光泽,微凸,下面淡绿或黄绿,无光泽,并有小白点。叶长10～25厘米,宽8～17厘米。叶脉网状,中脉粗大黄绿色,凸出于两面。有10～12对突出的侧脉,开展,与边缘相接。叶柄长,粗壮, Large passionflower, the British name giant granadilla, scientific name passiflora quadrangularis L. usually in tropical cultivation. Several species are widely cultivated in many areas. In the passion fruit, the fruit of passion fruit is the largest. The stem of the passion fruit passionflower has a distinct quadrilateral and has four leaf lobes. 5 to 50 meters long, smooth, yellow-green. Flap width 0.2 ~ 0.3 cm, dark green, entire edge. Tendrils axillary, vigorous, yellowish green, dull, glabrous, spirally wound or bent along the support. Length 22.5 ~ 35 cm, coarse 0.15 ~ 0.2 cm. Leaves leathery, smooth, entire, ovoid or elliptic, base broad circle heart-shaped, apex sharp, transparent edge, the above dark green shiny, slightly convex, the following light green or yellow-green, dull, and white spots. Leaf length 10 ~ 25 cm, width 8 ~ 17 cm. Veins veins, midrib yellow-green, protruding from both sides. There are 10 to 12 pairs of prominent lateral veins, carried out, and connected with the edge. Petiole long, thick,