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

3. Klasea dissecta (Ledebour) L. Martins, Bot. J. Linn. Soc. 152: 455. 2006.

羽裂麻花头 yu lie ma hua tou

Serratula dissecta Ledebour, Fl. Altaic. 4: 40. 1833; S. angulata Karelin & Kirilov; S. dissecta var. angulata (Karelin & Kirilov) Trautvetter.

Herbs 20-40 cm tall. Rhizomes short and thick. Stems solitary or few, erect, branched in upper part, sparsely setiferous, with fibrous remains of petioles at base. Leaves pubescent with multicellular hairs and minute sessile yellow glands. Basal and lower stem leaves long petiolate; petiole fibrous; leaf blade elliptic, 10-15 × 1.5-3.5 cm, pinnatipartite; lateral lobes 5-8 pairs, lanceolate, narrowly elliptic, or broadly linear, margin toothed. Middle stem leaves sessile, similar in form and same in division to basal and lower stem leaves. Upper stem leaves lanceolate, margin toothed. Capitula few to many, corymbose-paniculate. Involucre ovoid-cylindric to narrowly obconic, 5-12 mm in diam., sparsely tomentose. Phyllaries in 6 or 7 rows; outer phyllaries ovate, 3.5-6 × 1.5-2 mm, apex with a 0.5-2 mm straight to patent spinule; middle phyllaries lanceolate, ca. 10 × 2 mm, apex attenuate into a straight or spreading 2.5-5 mm spinule; inner and innermost phyllaries elliptic to broadly linear, ca. 17 × 1.5-2 mm, apex acuminate. Corolla purple to pink, ca. 1.3 cm. Achene pale to dark brown, narrowly ellipsoid, 4-6 mm, many striate. Pappus whitish to straw-colored, ca. 8 mm. Fl. and fr. Jun-Jul.

Deserts; 1000-1500 m. NW Xinjiang [Kazakhstan].


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