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

24c. Youngia japonica subsp. longiflora Babcock & Stebbins, Publ. Carnegie Inst. Washington. 484: 97. 1937.

长花黄鹌菜 chang hua huang an cai

Crepis japonica subsp. longiflora (Babcock & Stebbins) Handel-Mazzetti; Youngia longiflora (Babcock & Stebbins) C. Shih; Y. taiwaniana S. S. Ying.

Herbs usually 30-90 cm tall. Stems solitary or few, leafless or leafy. Basal leaves to 23 × 7 cm, lyrately pinnatilobate, lyrately pinnatipartite, inconspicuously runcinate-pinnatilobate, or runcinate-pinnatipartite; lateral lobes 3-8 pairs, opposite to obliquely opposite, elliptic, triangular, or rhombic, gradually smaller toward leaf base, apex rounded, obtuse, or acute; terminal lobe elliptic to ovate, apex rounded. Stem leaves absent or similar to basal leaves but gradually smaller and less divided upward on stem. Capitula with 15-20 florets. Involucre cylindric, 6-7 mm. Phyllaries in 4 rows, abaxially glabrous; outer phyllaries to 1.5 mm. Anther tube usually 3?-4 mm. Achene usually dark purple brown, 2-2.5 mm. Pappus ca. 3.5 mm. Fl. and fr. Mar-Aug.

● Mountain slopes, field margins, stream banks, densely grassy areas by roads; below 100-3100 m. Anhui, Chongqing, Fujian, Guangdong, Guangxi, ?Guizhou, Hubei, Hunan, Jiangsu, Jiangxi, Sichuan, Taiwan, Zhejiang.


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