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.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Some Gunnera species (Gunneraceae) may have a single stamen and thus monosymmetry by simplicity (reduction) (Rutishauser et al., 2004; Wilkinson & Wanntorp, 2007).
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.
Gunnera herteri--developmental morphology of a dwarf from Uruguay and S Brazil (Gunneraceae).
Evolution of floral characters in Gunnera (Gunneraceae).
Haloragaceae." Nevertheless, Gunneraceae has remained associated