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The Endemic Plants of Chile

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Cistanthe floresiorum J.M.Watson

  1. Classified in >
  2. genus: Cistanthe >
  3. Family: Montiaceae

Type citation

CHILE. Atacama Region, Huasco Province, Comuna de Vallenar, on S exposure of Cuesta Pajonales shortly below top of pass, 29º08'30"S 70º59'33"W, 1120-1125 m, 19 Oct 2008, leg. A.R. Flores & J.M. Watson, F.& W. 11750! (holotype SGO; isotypes, CONC, herb. Flores & Watson).

Conservation status

  • Critically Endangered (Watson (2019a))


  • : Watson (2019): figs. 38-45
  • Descriptions

    • Watson (2019a)


    In an open V-shaped valley with a narrow, dry floor, gently sloping and exposed to the southeast. 'Desierto Florido de las Serranías' (Gajardo 1993), characterised by well-scattered xerophytic mattoral bushes dotted about over rocky and stony terrain.

    Key characteristics

    Differs principally from other taller, erect to ascending species by a combination of its annual life-form, acute to prolonged, acuminate sepals, subequalling to exceeding the fully-extended petals, its erect mature fruit-bearing pedicels, and glabrous seeds. In addition the sepals are unmarked or, more rarely, weakly black-striated in the basal area only (Watson, 2019).



    Distribution and habitat

    Restricted to a single site in the Atacama Region