Single flowers axillary or rarely clustered; Calyx cup-shaped, 4-5-shallowly toothed; Petals are 1.5-2 cm long, with purple outside and white inside; There are often unisexual flowers, that is, stamens develop and pistils degenerate; Stamens 20-25 or more; Ovary nearly tubular or barrel-shaped, slightly narrow at the top, stigma capitate.

The fruit is ovoid or ovoid, with narrow ends, usually long and narrow at the top with papillae, thick and rough peel, lemon yellow, difficult to peel, rich in lemon-scented oil spots, petals 8- 1 1, light yellow juice cells, sour juice, small seeds, oval and sharp; Seed coat is smooth, cotyledons are milky white, usually single embryo or multi-embryo.

Extended data:

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Fruits should reach the required maturity before harvest. Generally speaking, the transverse diameter of lemon fruit is not less than 50 mm, and the color of lemon fruit changes from dark green to light green, even slightly light green.

The method of double cutting is always used when picking fruits. The first is to cut off the fruit and its branches. The second is to cut off the sepals, cut off the fruit stalks and cut the fruit stalks flat. Fruit picking should be done from top to bottom and from outside to inside.

Don't climb branches and pull fruits at heights or far away, but use fruit ladders to help pick fruits, so as not to strain the pedicels of fruits. Gently put the fruit into the fruit basket, and when it is 90% full, replace the empty basket.