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The Endemic Plants of Chile

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Schizopetalon arcuatum Al-Shehbaz

  1. Classified in >
  2. genus: Schizopetalon >
  3. Family: Brassicaceae

Place of Publication

Harvard Pap. Bot. 1(1): 34 (1989)

Type citation

Chile. Prov. Atacama: Dept. Freirina, Camino a Carrizalillo por Quebrada Chañaral, 4 km SE de la junta del camino El Morado, 350 m, 28°57’S, 71°17’W, 23 Oct. 1971, C. Marticorena, R. Rodríguez & E. Weldt 1803 (holotype, OS!; isotype, CONC!, F!)


  • Al-Shehbaz (1989): figs. 2c; 3e.f
  • Descriptions

    • Al-Shehbaz (1989)
    • Toro et al. (2018)


    Annual herb with stems from 7-25 cm tall.

    Key characteristics

    This species resembles S. tenuifolium however, it differs in having a bracteate inflorescences throughout, stout fruiting pedicels 3-5(-6.5) mm long, obsolete or very short styles to 0.6 mm long, and undivided leaf lobes 1-3 mm broad. S. arcuatum has been confused with S. biseriatum and S. marìtimum but is easily distinguished by having strongly arcuate fruits and inflorescences (Al-Shehbaz, 1988)



    Distribution and habitat

    Coastal dunes, including sandy dry inland gullies of northern locations of Huasco to southern Carrizalillo (Region Atacama).


    Classic Locations

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    Seed of this species is banked by the national seed bank of Chile, INIA.


    • Al-Shehbaz (1989)

      Al-Shehbaz, I.A. 1989. Systematic and phylogeny of Schizopetalon (Brassicaceae). Harvard Papers Botany 1(1): 10-46.