The fruit, Flower Girl, is scientifically known as Sour Paste. Also known as sour bubble, hanging golden lantern, goliath, lantern grass, lantern fruit, Luo Shenzhu, bubble grass, ghost lamp and so on. The north is called mushroom Niao, girl child, to fruit for food.

Perennial herb, with underground stems, spring seedlings from the persistent root, about 40-60 cm high, white flowers, calyx bell-shaped, enlarged when the fruit, a capsule wrapped in the berry outside; berry maturity is red, the fruit taste sour edible. Which contains eighteen kinds of amino acids, there are twenty-one trace elements and minerals, and eight kinds of vitamins. And is pollution-free, unique flavor, nutrient-rich natural food. p>Sour Paste is a perennial erect herb of the genus Sour Paste in the family Solanaceae, with a height of 50-80cm, the above-ground stems are often unbranched and have longitudinal ribs, the nodes of the stems are expanded, and the young stems are densely pilose. Rhizome white, horizontal underground, multi-branched, section with adventitious roots. Leaves alternate, 1-2 leaves per node, leaves shortly petiolate, 1-3cm long, leaf blade ovate, 6-9cm long, 5-7cm wide, apex acuminate, base broadly cuneate, margins irregularly coarsely serrate or undulate, glabrous. Flowers 5 basal, solitary in leaf axils, 5-10 per plant.

Calyx green, 5-lobed, self-expanding into an ovoid capsule after flowering, slightly concave at the base, 2.5-5cm long, 2.5-3.5cm in diameter, thinly leathery, orange-red or fire-red at maturity; corolla actinomorphic, white, with 5 stamens, yellow anthers 0.3-0.35cm long, ovary superior, 2-carpellate, 2-locular, stigmas capitate, 1.0-1.1cm long; berries in calyx Orange-red, 1.5-2.5cm in diameter, weighing 2.5-4.3g in a single fruit, containing 210-320 seeds per fruit, the seeds are kidney-shaped, yellowish, about 0.2cm long, weighing 1.12g in a thousand.

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