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Noun1.Harrisia - genus of slender often treelike spiny cacti with solitary showy nocturnal white or pink flowers; Florida and Caribbean to South America
caryophylloid dicot genus - genus of relatively early dicotyledonous plants including mostly flowers
Cactaceae, cactus family, family Cactaceae - constituting the order Opuntiales
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At least 8 species of pyralids in the genera Cactoblastis, Sigelgaita, Tucumania, Salambona, and Ozamia were found attacking 17 species of Cactaceae in the genera Opuntia, Trichocereus, Cleistocactus, Monvillea, and Harrisia at 133 sites in Argentina (Table 1).
Euphorbiaceae) (Vincent 2013*), Harrisia brookii Britton (Cactaceae) (Vincent 2007*), Indigofera spicata Forssk.
For instance, Rae and Ebert (2002) documented a decreasing population trend of the rare Florida species Harrisia fragrans, and extinction was expected in <20 years, primarily due to failure of recruitment.

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