Aster baccharoides (Bentham) Steetz, Bot. Voy. Herald. 385. 1857.
(Aster baccharoides (Benth.) Steetz.; Photo earth.com)
Latin Name: Aster baccharoides (Benth.) Steetz.
Family & Genus: Asteraceae, Aster
Synonym Name: Aster baccharoides var. baccharoides; Aster brevipes Benth.; Diplopappus baccharoides Benth.
English Name: Whiteligulatecorolla Aster, Whiteligulate Aster
Chinese Name: 白舌紫菀 bai she zi wan
Vietnamese Name: Cúc cánh mối lưỡi trắng
Description: Low shrubs or perennial herbs, 15-150 cm tall, basally woody, rhizomatous. Stems erect, branched or sometimes simple (herb), finely striate, densely strigose, minutely stipitate glandular. Leaves cauline, slightly reduced upward, abaxially pale green, moderately strigose, moderately to densely minutely stipitate glandular, adaxially green, densely scabridulous, minutely stipitate glandular, margin serrate to serrulate (teeth mucronulate), scabrous, midvein prominent abaxially, apex acute, mucronate; lowest leaves withered by anthesis (herb), lower to upper leaves shortly winged petiolate; blade narrowly ovate to lanceolate, 1.3-7.5 × 0.4-1.8 cm, base attenuate to rounded; synflorescence leaves shortly petiolate, broadly lanceolate to oblanceolate, 0.7-3 × 0.3-0.8 cm, base cuneate to rounded, margin entire. Capitula numerous, in terminal or axillary corymbiform to paniculiform synflorescences, 1.5-2 cm in diam.; peduncles 2-8 mm, strigillose; bracts oblanceolate, margin entire, becoming phyllary-like distally. Involucres campanulate, 6-7 × ca. 7 mm; phyllaries 5-7-seriate, unequal, narrowly green apically, sometimes distally purplish, abaxially moderately to densely strigose, more so distally, sparsely to moderately minutely stipitate glandular, margin scarious (more broadly so in inner phyllaries), erose, villous-ciliate, midvein somewhat more pronounced distally, ± translucent, sometimes 3-veined, apex acute to obtuse or rounded, erose, sometimes mucro or tip purplish, ciliate; outer phyllaries broadly lanceolate to lanceolate, 1.5-2 × 0.7-1 mm; middle phyllaries lanceolate-oblong, 3-5 × 1-1.2 mm, base ± hardened; inner phyllaries oblong, 6-7 × 1-1.5 mm. Ray florets 8-18, white, lamina ca. 6 × 1.2-1.7 mm, glabrous, eglandular; disk florets yellow, 4.5-6.5 mm, tube base flared (veins marked), limb campanulate, 2.5-3.5 mm, glabrous, minutely stipitate glandular proximally, lobes spreading, tip recurved, narrowly triangular, 1.2-2 mm, glabrous, eglandular. Achenes dark purple, oblong, slightly compressed, ca. 3.5 mm, strigillose, apically sparsely minutely stipitate glandular, 2-ribbed. Pappus 4-seriate, white, of slender bristles; outermost bristles 1-3, 0.5-1.2 mm; outer bristles absent or 1, ca. 3 mm; inner bristles 4-5 mm, acute; innermost bristles 5-6 mm, clavate. Flowering: July to October; fruiting: August to November.
Distribution and Ecological: Growing in mountain slopes, roadsides, grasslands, and on sandy lands. Distributed in South Jiangxi, Fujian, Jiangxi, East Hunan, East and North Guangdong, East Guangxi.
Chemistry: Flavonoids, coumarins, polyacetylene, saponin and triterpenoids
- Leaves: beta-amyrenyl acetate, friedelin, lupeol, alpha-spinasterol
- Stems: Friedelin (0.054 % of stems) : from light petroleum-benzene (1: 1) fractions. Friedelan-3-beta-ol.
Part Used: Medical part: entire plant and roots.
Harvest & Processing: Collected in summer and autumn, cut into segments, sun-dried or used fresh.
Properties & Actions: Root: taste bitter, warm in nature. Entire plant: clearing heat, detoxifying, arresting bleeding, promoting tissue regeneration, expelling parasites. Root: warming lung and checking cough.
Indications & Usage: Whole herb: mainly used for cold. Root: mainy used for cough and excessive phlegm. Internal: decocting, 9-15g. External: fresh used, triturated for application
References
- libproject.hkbu.edu.hk
- efloras.org
- theplantlist.org
- (1857). Bot. Voy. Herald [Seemann] 10 - via World Register of Marine Species
- Steetz (1856) In: Bot. Voy. Herald 385 - via Catalogue of Life
- H. HUI, W. K. LAM and S. M. TYE; Triterpenoid and steroid constituents of Aster baccharoides; Phytochemistry, 1971, Vol. 10. pp. 903 to 904
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