
Water lily, perennial aquatic herb. Petiole terete, slender. Elliptical leaves floating on the water surface, entire, leaf base cordate, abaxially dark purple green leaf surface. Ye Erxing: floating leaves oblong or ovate, base cordate or curved, arrow shaped, often without water leaves; submerged leaves membranous, fragile. Flowers solitary, floating on or out of water; calyx four, green; petals usually eight. Fruit obovate, ca. 3 cm. Flower shape, beautiful, or floating in the high out of the water bloom during the day night closed; sepals nearly free; petals white, blue, yellow or pink, a multi round, sometimes the inner wheel gradually into stamens; connective or unappendaged; carpels ring, adnate and half sunken flowers held in the flesh cups, and in the lower part of their healing, Kobe Nobunobucheng style, stigma into concave column appetizer, anatropous, hanging in the wall. Berry spongy, irregularly dehiscent, mature below water surface, hard seed, covered with a gelatinous substance, fleshy aril, small embryo, a small amount of endosperm and abundant endosperm.
From northeast to Yunnan and west to Xinjiang, North Korea, Japan, India, the Soviet Union, North america. In ponds, lakes and other water in water. Many of the park water cultivation as ornamental plants, edible rhizomes or wine, and medicine, can cure chronic infantile convulsion; the whole grass can be used as green manure.
The lotus leaf is round or nearly round, or oval, and some varieties had a lanceolate or arrow shaped; leaves entire leaf margin, but tropical water lily is rippled; leaf green, bright, abaxially purplish red, some species have dark brown spots or mottled page color; veins obvious and not so obvious. And the leaves of a few species of tropical water lily in the top of the crack tip and the petiole at the point of birth, a small plant".
The lotus flower is composed of sepals and petals, stamen, carpel, style, pedicel and other organs. Flower solitary, for both sexes. Its sepals 4~5, green or purple red, or green with black spots, the shape of a lanceolate, narrow oval, or rectangular circle. Flower buds are long peach shaped, peach shaped; petals are usually oval, wide oval, rectangular round, oblong, obovate, broadly lanceolate and so on, the end of a little tip, or slightly blunt. Colors are red, pink, blue, purple, white, etc.. Petals with single, many petals, double. Thus the size, shape and color of the petals vary from species to species. Since then constitute a gorgeous flower state. The ovary is superior to a week ago, the stamens wrapped carpels above mature after opening into the sickle; sepals, petals and stamens spirally arranged above the receptacle with ovary wall. Then the carpel rings embedded in the receptacle and a united state within the upper style, isolation, stigma filiform, prominence to emulsion as the center, funnel-shaped, mature and secrete stigma, stigma mainly including glucose, fructose and amino acids, to attract insect pollination.
The fruit of the water lily is ovate to hemispherical, mature in water, irregularly dehiscent; seeds small, oval or globose; most of them are false seed coats.
Lily is a perennial aquatic herb type floating leaf, rhizome hypertrophy, erect or creeping. The two leaf type, floating leaves floating on the water surface, circular, elliptic or ovate, apex obtuse, basal part into a horseshoe or heart shaped, wavy leaf margin entire or toothed; submerged leaves membranous, weak. Single flower, flower size and color, floating or emergent flowering; sepals 4, petals and stamens. The fruit is a berry cotton in water, mature, irregular crack; hard dark green or dark brown seeds for colloid package, arillate. Different varieties have different morphological characteristics.
Bai Shuilian (N. lous): the origin of the Nile in Egypt, flower diameter 20~25cm, large flower type, very open water. Flowers white, petals 20~25, long oval, blunt ends. Sepals green, veined. Pedicel, leaf stalk green pilose. Leaf diameter 42~40 cm, leaf green, abaxial leaf reddish, margin undulate serrate. Stamens pale yellow, 70~100. Lan Shuilian (N. caeruloa): origin of North Africa, Egypt, Mexico. Flower diameter 15~20 cm, large flower pattern, open water. Petals 16~20, the flowers are star shaped. Pedicel, leaf stalks reddish brown. Leaf size 32~30cm, green leaf, leaf back red dark purple and purple small patches, leaf margin slightly sinuolate, Ye Ji parted. Stamens 80~100. [4]
Huang Shuilian (N. mexicana): native to southern North America, Mexico, Florida. The flower diameter 10~14 cm, flower type, flower floating or slightly out of the water. Bright yellow flowers, petals 24~30, oval oval. Leaves densely purple foliage, leaves green, abaxial leaf dense dark purple spots, entire leaf margin, leaf lobed. Stamens bright yellow, 60~90.
Red water lily (N. rubra): origin of India, Bangladesh, flower diameter of 20 cm or so, big flower type, very open water. Flowers pink, petals 20~25, long ovate, sepals purple red, veins obvious. Peduncle, peduncle dark purple. Leaf size 42~40 cm, leaf leaf purple, green leaves back into the leaf, pilose, leaf margin undulate, serrate, deeply lobed leaf base. Stamens yellow, 70~100, artificial pollination can be strong.
India blue water lily (N)(stellata): also known as star shaped water lily or extension of the water lily, originating in India and Southeast Asia, the domestic distribution in southern Yunnan, Hainan Island. Flower diameter 15~18 cm, large flower type, very open water, the flowers are star shaped, with fragrance. Petals 15~18, the top is sharp, dark blue, light blue in the middle and lower parts, the back of the sepals have ink purple spots. Pedicel, leaf stalk green. Leaf size 34~32 cm, green leaf purpura, abaxial leaf with dark purple spots, entire leaf margin. Stamens 70~100, filaments flat, terminal pale blue, strong ability to seed.