✵The TCM herbalism is also known as pharmaceutics of Traditional Chinese Medicine, or Chinese pharmaceutics, is the branch of health science dealing with the preparation, dispensing, and proper utilization of Chinese herbs. It is majorly composed of Introduction of Chinese Medicinals, Classification of Chinese Herbs, Formulas, and Patent medicines.
Classifications of Herbs:Diuretics and Hydragogues Herbs:Herbs Diuretics.
Introduction: Herbs Diuretics: also known as damp-draining diuretic herbs,an agent or substance herbs that increases urine excretion and water discharge for treating internal retention of dampness.
✵Till the date Oct 10th,2019, there are totally  kinds of common TCM herbs,  kinds of related plant species,  kinds of related fungus species,  kinds of related insect species,  kind of related mineral are recorded in this category. These Diuretics and Hydragogues Herbs:Herbs Diuretics are briefly introduced separately:
Herba Lysimachiae(Christina Loosetrife).
Brief Introduction: The herb Herba Lysimachiae is the dried entire plant of Lysimachia christinae Hance(family Primulaceae), used (1).as a cholagogue, lithagogue, and diuretic for the treatment of acute jaundice, biliary and urinary calculi, and (2).to relieve toxicity and reduce swelling in cases of boils and venomous snake-bite. The herb is commonly known as Herba Lysimachiae, Christina Loosetrife, Jīn Qián Cǎo.
✵Official herbal classics and other famous herbal classics defined the herb Herba Lysimachiae(Christina Loosetrife) as the dried entire plant of the species (1). Lysimachia christinae Hance. It is a plant of the Lysimachia genus, the Primulaceae Batsch ex Borkh family of the Primulales order. This commonly used species is introduced as:
(1).Lysimachia christinae Hance.: It is commonly known as Guò Lù Huáng. Stem weak, prostrate, 20~60 cm long, glabrous, sparsely hairy with no dense rusty multicellular pilose, young parts densely brown sessile glands, lower internodes shorter, often adventitious roots, middle internodes 1.5~5~10 cm long.
Leaves opposite, ovoid, suborbicular to renal, 1.5~2~6~8 cm long, 1~4~6 cm wide, apex acute or obtuse to rounded, base truncate to shallowly cordate, slightly thick when fresh, dense transparent glandular strips visible, dry when glandular strips become black, both sides glandular or densely strigose; Petiole shorter than leaf blade or nearly as long, glabrous to densely hairy.
Axils of flowers solitary leaves; Pedicels 1~5 cm long, usually no longer than leaf length, hairy as stem, many with brown sessile glands; Calyx long 4~10 mm, dividing nearly to base, lobes lanceolate, ellipsoid lanceolate to linear or upper part slightly enlarged and nearly spatulate, apex acute or slightly obtuse, glabrous, pilose or only margin ciliate; Corolla yellow, 7~15 mm long, base connate part 2~4 mm long, lobes narrowly ovate to sublanceolate, apex acute or obtuse, slightly thicker, with long black strip; Filaments 6~8 mm long, lower half united into tube; Anthers ovoid, 1~1.5 mm long; Pollen grains with 3-hole groove, subspherical [(29.5-32) × (27-31) micron], surface with reticular ornamentation. Ovary ovulates, style 6-8 mm. Capsule globose, 4~5 mm in diameter, glabrous, with sparse black strips. Its flowering period is from May to July, fruiting from July to October.
Ecological environment: The plant grows in the dank places of soil slope roadside, the edge of the ditch, gully edge and forest margin, wet roadside and under the forest slopes, and its vertical distribution can reach 2,300 meters above sea level. The plant prefers a warm, cool, moist environment. The plant is suitable for fertile loose, more humus sandy soil. The plant mainly distributes in central and south, the middle and lower reaches area of the Yangtze River, Zhujiang river area, southwest area of China.
Trait identification: The whole grass wrinkled into a group, the lower part of the stem node sometimes with a slender fibrous root. Stem twisted, ca. 1 mm in diameter; Surface reddish-brown, with longitudinal texture; Section solid, pale. Leaves opposite, wrinkled and broken, whole leaves broadly ovate or heart-shaped, entire, dark green to brown-green above, pale below, after dipping in water, black short stripes visible through light; Petiole slender leaf axils sometimes flower or fruit. Slight in smell and taste. Big leaves and green colors are preferred.