Bignoniaceae


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Bignoniaceae

[‚big·nō·nē′ās·ē‚ē]
(botany)
A family of dicotyledonous trees or shrubs in the order Scrophulariales characterized by a corolla with mostly five lobes, mature seeds with little or no endosperm and with wings, and opposite or whorled leaves.

Bignoniaceae

 

a family of dicotyledonous plants, close to the family Scrophulariaceae. They are trees, shrubs, lianas, and, more rarely, grasses. The leaves are mostly opposite, and many plants have compound leaves. The flowers are bisexual, fairly large, zygomorphic, often brightly colored, and gathered in paniculate, umbellate, or other sorts of clusters; single flowers are rare. The calyx and corolla are pentamerous. There are generally four developed stamens (the fifth is transformed into a staminode); the pistil consists of two carpels, and there is an upper, bilocular ovary. The fruit is a pod. There are approximately 120 genera and 800 species, mainly in tropical and subtropical lands, especially in South America. In the USSR there are two species of wild Bignoniaceae of the genus Incarvillea (one in Middle Asia and one in the Far East), and one monotypic endemic genus Niedzwedzkia, which grows in Middle Asia. Some Bignoniaceae are raised in the USSR as decorative plants, including lianas from the genera Bignonia, Tecomaria, and Campsis and catalpa and paulownia trees. The Bignoniaceae having the greatest practical value are the South American calabash tree Crescentia and species of the genus Jacaranda, which yield the valuable rosewood.

REFERENCE

Takhtadzhian, A. L. Sistema i filogeniia tsvetkovykh rastenii. Moscow-Leningrad, 1966.

M. E. KIRPICHNIKOV

References in periodicals archive ?
The fresh nonflowering aerial part of Mayodendron igneum Kurz, Bignoniaceae, was collected from Giza Zoo of Egypt in June 2008.
Molluscicidal activities of six species of Bignoniaceae from north-eastern Brazil, as measured against Biomphalaria glabrata under laboratory conditions.
Reports of ethnomedicinal studies, bio-active phytochemical constituents and pharmacological activity studies on Bignoniaceae family plants were obtained from existing scientific data bases.
Esses resultados condizem com os de Metcalfe e Chalk (1957), em que todas as especies de Bignoniaceae sao dorsiventrais, sendo registrada estrutura isobilateral apenas no genero Kigelia.
Richard Olsmtead for their insights concerning taxonomy of the Melastomataceae and Bignoniaceae, respectively.
Guarim Neto and Morais (2003) in a bibliographic study about medicinal plants from Cerrado, in Mato Grosso State, also recorded these same families; however, Leguminosae was the family with a large number of species, followed by Asteraceae, Bignoniaceae and Rubiaceae.
It is still present as a staminode in Gesneriaceae, many Bignoniaceae, and many Veronicaceae, but lacking in, e.
stamens in Lecythidaceae, odd stamen in Jacaranda of Bignoniaceae, Penstemon of Veronicaceae) Monosymmetry by simplicity * Flowers with a single stamen or a single carpel (stamen in Lacistemataceae, carpel in Lauraceae, both stamen and carpel in Sarcandra, Chloranthaceae) Direction of monosymmetry with respect to the axis of the next higher order * Median (predominant, e.
Pólen de Apocynaceae, Arecaceae, Bignoniaceae, Euphorbiaceae, Flacourtiaceae, Lauraceae, Meliaceae, Mimosaceae, Myrsinaceae, Sapindaceae e Ulmaceae é representado.
Vine species of the Bignoniaceae and Asteraceae families tend to be wind dispersed (Jongkind & Hawthorne, 2005).