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FNA | Family List | FNA Vol. 21 | Asteraceae | Centromadia

1a. Centromadia pungens (Hooker & Arnott) Greene subsp. laevis (D. D. Keck) B. G. Baldwin, Novon. 4: 467. 1999.

Hemizonia pungens (Hooker & Arnott) Torrey & A. Gray subsp. laevis D. D. Keck, Madroño 3: 14. 1935; H. laevis (D. D. Keck) D. D. Keck

Leaves: margins bristly-ciliate, faces glabrous but for bristly midribs. Paleae little, if at all, exserted, apices obtuse to acute, sometimes apiculate. 2n = 18.

Flowering Apr–Sep. Open, ± alkaline flats, depressions, stream banks and beds, grasslands, disturbed sites; of conservation concern; 90–500 m; Calif.; Mexico (Baja California).

Subspecies laevis is known only from the interior South Coast region and Peninsular Ranges.


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