✵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:Pungent-Warm Exterior-releasing Herbs.
Introduction: Pungent-warm exterior-releasing herbs: an agent or substance herbs pungent in flavor and warm in property, which is usually used for treating a wind-cold exterior syndrome.
✵Till the date Oct 10th,2019, there are totally  kinds of common TCM herbs,  kinds of related plant species, are recorded in this category. These pungent-warm exterior-releasing Herbs are briefly introduced separately:
Flos Magnoliae(Biond Magnolia Flower).
Brief Introduction: The herb Flos Magnoliae is the dried flower bud of Magnolia biondii Pamp., Magnolia denudata Desr., or Magnolia sprengeri Pamp.(family Magnoliaceae), used for treating stuffy nose and nasal discharge in cases of rhinitis and nasosinusitis. The herb is commonly known as Flos Magnoliae, Biond Magnolia Flower, Xīn Yí.
✵The herb Flos Magnoliae(Biond Magnolia Flower) is the dried flower bud of the Magnolia biondii Pamp., Magnolia denudata Desr., or Magnolia sprengeri Pamp., they are plants of the Magnolia L. Genus, the Magnoliaceae family of the Magnoliales Juss order.
Common official herbal classics and other famous herbal classics defined the herb Flos Magnoliae(Biond Magnolia Flower, or Xīn Yí) as the dried flower bud of :(1). Magnolia biondii Pamp., (2). Magnolia denudata Desr., or (3). Magnolia sprengeri Pamp. These 3 commonly used species are introduced as:
(1).Magnolia biondii Pamp.: This species is also known as Wang Chun Yu Lan. Deciduous trees, 6~12 meters tall. Branchlets are yellow-green or pale-brown, smooth or hairy at part near to the tip; Winter bud ovate, bracts dense with pale yellow fuzz. Single leaves are alternate; Petiole 1~2 cm long, base with stipitus marks; Leaf blade oblong-lanceolate or ovate-lanceolate, 10~18 cm long, 3.5~6.5 cm wide, apex acuminate, base rounded or cuneate, entire, surface is dark green, smooth, abaxially pale green, sparsely hairy along veins. Flowers first leaves open, single branch apex, sparse axillary, campanulate, 6~8 cm in diameter, white, purplish-red outside base, aromatic; 3 perianth of outer wheel, calyx flake nearly linear, about a quarter of the length of petals; 3 tepals of middle and inner wheel, spatulate, 4~8 cm long, 2.5 cm wide; Stamens are numerous, spirally arranged in the lower part of elongated receptacle; Pistils numerous, arranged above receptacle. Aggregate cylindrical, slightly twisted, 8~13 cm long; wood. Seeds obovate. Its flowering period is from February to march, fruiting from September.
Ecological environment: the tree grows in forests on slopes between 400 and 2,400 meters above sea level. It is distributed in Gansu, western Hubei, southern Shaanxi, western Henan, and Sichuan of China.
Trait identification: Flower bud is long ovate, resemble brush head, long 1.2~2.5 cm, diameter 0.8~1.5 cm, base often with short woody pedicels, ca. 5 mm long, pedicels with whitish punctate lenticels. Bracts 2~3 layers, 2 in each layer, with small scale buds between the two layers, the outer surface of the bracts densely covered with gray or greenish long fuzz, the inner surface is brown, glabrous. 9 tepals, 3 brown, outer tepals striate, about 1/4 as long as inner two tepals, calyx flake; Stamens are numerous, spirally inserted on the lower part of receptacle, filaments flattened, anthers linear; Pistil are numerous, spirally inserted on top of the receptacle. It is light and crisp. The smell is fragrant and the taste is cool and bitter.
(2).Magnolia denudata Desr.: This species is also known as Yu Lan. The difference between this species and magnolia wangchun lies in: the branchlets are thick and fluffy; Leaf blade usually obovate, broadly obovate, apex broadly rounded, truncated or slightly concave, often shortly acute, base cuneate, petiole and underleaf with white pilose. 9 perianths, white, sometimes red outside base, obovate-oblong. Its flowering period is from February to march, fruiting from August to September.
Ecological environment: It is widely cultivated in the mixed forest of evergreen broad-leaved trees and deciduous broad-leaved trees below the altitude of 1,200 meters. It is distributed in Anhui, Jiangxi, Guangdong, and other areas of China.
Trait identification: flower bud is 1.5~3 cm long, diameter 1~1.5 cm, base branchlets stout, lenticels light brown. The outer surface of the bracts is densely covered with gray or greenish fuzz. 9 tepals, no significant difference in the inner and outer wheel.
(3).Magnolia sprengeri Pamp.: This species is also known as Wu Dang Yu Lan. It is distinguished from the above two kinds of leaves by the sharp tip, sharp acuminate or small pointed tip with protrusion. 12~14 tepals, rose-red outside, lighter inside, with deep purple streaks. Its flowering period is in March, fruiting in June~July.
Ecological environment: It grows in the mixed evergreen and deciduous broad-leaved forest with an altitude of 1,300-2,000 meters. It is distributed in Gansu, Hubei, Shaanxi, Sichuan and other areas of China.
Trait identification: The bud is 3~4 cm long, 1~2 cm in diameter, the branch stem is strong, the skin pore is reddish-brown. The outer surface of the bracts is densely covered with pale yellow or yellowish-green fuzz, some outer bracts have fallen off and are dark brown. 10~15 tepals, no significant difference in the inner and outer wheel. The three kinds of medicinal materials are best for the flowers with big buds, not open, yellow and green color and no branch or stem.