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Tuberous begonias (''Begonia'' × ''tuberhybrida''
1er Jardin
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Tuberous begonias grow best in partial shade or filtered sunlight. Excessive exposure to sunlight can result in burnt flowers and leaves. However, too much shade will result in compensatory growth of foliage at the expense of flowers.
Soil
When preparing the soil for Begonia tuberhybrida, good drainage is important. Plant a Begonia in a pot with equal parts perlite and coarse sand. Remember that sand has an excellent soil structure as it consists of tiny spaces where air, water and nutrients can move freely.
Voss
Voss () is a Municipalities of Norway, municipality and a Districts of Norway, traditional district in Vestland Counties of Norway, county, Norway. The administrative center of the municipality is the village of Vossevangen. Other villages inclu ...
, also known as the Tuberhybrida Group or the Tuberosa Group) are a group
A group is a number of persons or things that are located, gathered, or classed together.
Groups of people
* Cultural group, a group whose members share the same cultural identity
* Ethnic group, a group whose members share the same ethnic iden ...
of ''Begonia
''Begonia'' is a genus of perennial flowering plants in the family Begoniaceae. The genus contains more than 2,000 different plant species. The Begonias are native to moist subtropical and tropical climates. Some species are commonly grown ...
'' cultivars
A cultivar is a kind of cultivated plant that people have selected for desired traits and which retains those traits when propagated. Methods used to propagate cultivars include division, root and stem cuttings, offsets, grafting, tissue cult ...
, sometimes regarded as some of the most spectacular of the genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...
.
One of the first hybrids produced was '' B. x sedenii'' in 1870, a cross between ''B. boliviensis'', collected by botanist Richard Pearce and a species from the Andes
The Andes ( ), Andes Mountains or Andean Mountain Range (; ) are the List of longest mountain chains on Earth, longest continental mountain range in the world, forming a continuous highland along the western edge of South America. The range ...
. Another species from Peru
Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...
, '' B. davisii'' (named after Walter Davis), was also used in early breeding.
Nomenclature
TheUniversity of Vermont
The University of Vermont and State Agricultural College, commonly referred to as the University of Vermont (UVM), is a Public university, public Land-grant university, land-grant research university in Burlington, Vermont, United States. Foun ...
recognises the following 13 groups:
# (S) Single – large single flowers, four usually flat tepals (flower part undistinguishable as sepal or petal)
# (Fr) Frilled, Crispa – large single flowers, tepal margins frilled or ruffled
# (Cr) Cristata, Crested – large single flowers, frilled or tufted center of tepals
# (N) Narcissiflora, Daffodil-flowered – large more or less double flowers, central tepals form "trumpet"
# (C) Camellia, Camelliflora – large double flowers resembling camellias, unruffled, solid colors
# (RC) Ruffled Camellia – camellia flowers ruffled on edges
# (R) Rosebud, Rosiflora – large double flowers with rose bud-like center
# (Car) Carnation, Fimbriata Plena – large double carnation-like flowers, tepals fringed on margins
# (P) Picotee – large usually double flowers like camellias, tepals with different color on margin blending with other color
# (M) Marginata – like Picotee only distinct non-blending line of color on margins
# (Mar) Marmorata, Marbled – like Camellia but rose-colored, blotched or spotted with white
# (HB) Hanging Basket, Pendula – stems trailing or pendant, large to small flowers single or double
# (Mul) Multiflora – low, bushy, compact plants with many small single or double flowers
Other systems confusingly use binomial nomenclature
In taxonomy, binomial nomenclature ("two-term naming system"), also called binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, altho ...
to refer to flower types, by the terms ''Begonia grandiflora'', ''Begonia multiflora'' and ''Begonia pendula''. The last two correspond to groups 13 and 12, respectively. The first type, ''grandiflora'' (large flowered), is then subdivided by flower form; e.g. ''Begonia grandiflora erecta''./ref>
Cultivation
Tuberous begonias grow best in partial shade or filtered sunlight. Excessive exposure to sunlight can result in burnt flowers and leaves. However, too much shade will result in compensatory growth of foliage at the expense of flowers.
Soil
When preparing the soil for Begonia tuberhybrida, good drainage is important. Plant a Begonia in a pot with equal parts perlite and coarse sand. Remember that sand has an excellent soil structure as it consists of tiny spaces where air, water and nutrients can move freely.
References
tuberhybrida Ornamental plant cultivars Hybrid plants Taxa named by Andreas Voss {{Cucurbitales-stub