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

11. Cousinia thomsonii C. B. Clarke, Compos. Ind. 213. 1876.

毛苞刺头菊 mao bao ci tou ju

Herbs 30-80 cm tall, biennial. Rootstock covered with petiole remains. Stems grayish white, erect, apically branched, unwinged, thickly cobwebby-felted. Leaves leathery, abaxially grayish white and thickly felted, adaxially green and glabrous. Basal and lower cauline leaves with a brown winged petiole; leaf blade elliptic to oblanceolate, 12-13 × 3-3.5 cm, pinnatisect; segments 6-11 pairs, needle-shaped to triangular-subulate, patent at right angle, margin entire and revolute, midvein thick and abaxially raised, apex narrowed into a rigid ca. 4 mm spine. Middle cauline leaves sessile, similar to lower ones or lanceolate to elliptic-lanceolate, semiamplexicaul. Capitula many. Involucre subspherical, 3-4 cm in diam., densely and fluffily cobwebby. Phyllaries in ca. 9 rows, rigid, leathery, abaxially purplish red; outer phyllaries triangular, 1.8-2.3 × 0.4-0.5 cm, apex narrowed into a rigid 3-4 mm spine; middle and inner phyllaries lanceolate, ca. 2.3 × 0.2-0.4 cm, apex narrowed into a 1.5-2.5 mm spine. Corolla purple to pink, ca. 1.4 cm, tube ca. 7 mm. Achene brown, obovoid, ca. 5 mm, 1-ribbed on each side. Fl. and fr. Jul-Sep.

Grasslands, gravelly places in flooded lands; 3700-4300 m. S Xizang [India, Nepal, Pakistan].


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