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FOC | Family List | FOC Vol. 20-21 | Asteraceae | Youngia

24b. Youngia japonica subsp. elstonii (Hochreutiner) Babcock & Stebbins, Publ. Carnegie Inst. Washington. 484: 98. 1937.

卵裂黄鹌菜 luan lie huang an cai

Crepis japonica var. elstonii Hochreutiner, Candollea 5: 340. 1934; Chondrilla lyrata (Thunberg) Poiret; Crepis lyrata (Thunberg) Bentham ex C. B. Clarke (1876), not (Linnaeus) Froelich (1838); Ixeris lyrata (Thunberg) Miquel; Lactuca pseudosenecio Vaniot; Prenanthes lyrata Thunberg; Youngia lyrata (Thunberg) Cassini; Y. pseudosenecio (Vaniot) C. Shih.

Herbs usually 0.5-1.5 m tall. Stem mostly solitary, mostly with well-developed leaves at least in lower half. Basal and lower stem leaves to 27 × 7 cm, pinnatipartite or sublyrately pinnatipartite; lateral lobes 3-7-paired, remote, elliptic to triangular, gradually smaller toward leaf base, lowermost segment usually toothlike, apex acute to obtuse; terminal lobe elliptic, apex acute. Middle and upper stems leaves similar to lower ones but gradually smaller and less divided upward on stem, gradually reduced to bracts. Capitula with ca. 20 florets. Involucre cylindric, 4-5.5 mm. Outer phyllaries less than 1 mm. Anther tube usually 0.6-1 mm. Achene 1.7-2 mm. Pappus 3-3.5 mm. Fl. and fr. Apr-Nov.

● Grasslands on mountain slopes, moist areas by water, densely grassy areas by houses, ravines; 300-2500 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Shaanxi, Sichuan, Yunnan.


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