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

5b. Ixeris chinensis subsp. strigosa (H. Léveillé & Vaniot) Kitamura, Bot. Mag. (Tokyo). 49: 283. 1935.

光滑苦荬 guang hua ku mai

Lactuca strigosa H. Léveillé & Vaniot, Bull. Acad. Int. Géogr. Bot. 20: 144. 1909; Ixeridium strigosum (H. Léveillé & Vaniot) Tzvelev; Ixeris chinensis var. strigosa (H. Léveillé & Vaniot) Ohwi; I. strigosa (H. Léveillé & Vaniot) Pak & Kawano; Paraixeris strigosa (H. Léveillé & Vaniot) H. S. Pak.

Herbs 25-50 cm tall. Stems solitary or few, erect. Rosette leaves to 24 cm. Stem leaves 1, 2, or rarely more. Capitula with 20-25 florets. Involucre 9-11 mm. Florets white to pale purplish. Achene 5-6 mm. Fl. and fr. Apr-Jul. 2n = 24, 32*.

Grasslands on mountain slopes, open areas; 500-1500 m. ?Anhui, Hebei, Heilongjiang, ?Hubei, Jiangsu, Jilin, Liaoning, Nei Mongol, ?Shandong, ?Shanxi [Japan, Korea, ?Mongolia, E Russia].

Delimitation of Ixeris chinensis subsp. strigosa from I. chinensis subsp. versicolor needs thorough evaluation, and the present delimitation may perhaps be artificial. The distribution ranges of these two subspecies are therefore questionable.


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