Gunneraceae


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Gunneraceae

[‚gən·ə′rās·ē‚ē]
(botany)
A family of dicotyledonous terrestrial herbs in the order Haloragales, distinguished by two to four styles, a unilocular bitegmic ovule, large inflorescences with no petals, and drupaceous fruit.
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Familias ausentes en la Amazonia (45): Achatocarpaceae, Adoxaceae, Aizoaceae, Alzateaceae, Apodanthaceae, Bataceae, Berberidaceae, Betulaceae, Brassicaceae, Brunelliaceae, Buxaceae, Calceolariaceae, Ceratophyllaceae, Clethraceae, Columelliaceae, Coriariaceae, Cornaceae, Cunoniaceae, Cytinaceae, Dipentodontaceae, Elatinaceae, Escalloniaceae, Fagaceae, Grossulariaceae, Gunneraceae, Haloragaceae, Hamamelidaceae, Hypoxidaceae, Juglandaceae, Juncaceae, Juncaginaceae, Krameriaceae, Menyanthaceae, Metteniusaceae, Mitrastemonaceae, Myricaceae, Nelumbonaceae, Papaveraceae, Phrymaceae, Phyllonomaceae, Potamogetonaceae, Tofieldiaceae, Tropaeolaceae, Typhaceae y Winteraceae.
Other more restricted chemical classes of compounds produced by some Rosiflorae families are: diarylheptanoids in Myricaceae; phloroglucinol derivatives (common in ferns) in Rosaceae (Murakami and Tanaka, 1988); lignans are restricted to three families: Casuarinaceae, Gunneraceae and Rosaceae; coumarins to Rosaceae, Crassulaceae, Buxaceae and Saxifragaceae; hydroquinone glycosides as arbutin in Fagaceae, Juglandaceae, Casuarinaceae, Buxaceae, Saxifragaceae and Rosaceae; anthraquinones as emodin and chrysophanol in Saxifragaceae and Rosaceae.
1993), sister to either the Gunneraceae and the Dilleniaceae, the ranunculids or Ceratophyllum (Soltis et al.
Flora de Brasil, flora de Colombia, Gunneraceae, Gunnera manicata, Gunnera morae.
origins of the Gunneraceae and its phylogenetic relationship to
The same consistent suite of fertile characters that so well designates the monogeneric Gunneraceae has offered little evidence for direct comparison with other taxa.
Gunneraceae, formerly often placed with Haloragaceae and Myrtales, came Out as sister of Myrothamnaceae in a combined morphological and molecular analysis by Drinnan et al.
Protandry was found mainly among members of Asteraceae, Campanulaceae, and Gunneraceae, with protogyny among the genera Drimys, Eryngium, Loctoris, Myrceugenia, and Plantago.
Heathcote (1978) and, with reservations, Stebbins (1974) placed the Theligonaceae under the order Haloragales (along with Haloragaceae, Gunneraceae, and Hippuridaceae).