Plant
Begonia
Begonia (genus)
Also known as: Begonia
A genus of around 2,000 species of flowering plants in the family Begoniaceae — the seventh-largest plant genus on Earth. Native to tropical and subtropical regions globally, with the greatest diversity in tropical South America, Africa, and Southeast Asia. Begonias are among the most-cultivated houseplants and bedding annuals in the world — the wax begonia (*Begonia semperflorens*) and tuberous begonia hybrids (*Begonia × tuberhybrida*) are global commercial workhorses. Leaf-pattern begonias (*Begonia rex*, *Begonia masoniana*) are foundational to ornamental houseplant culture for their dramatic colored and patterned foliage rather than flowers.
Scientific
Begonia (family Begoniaceae) contains around 2,000 named species — making it the seventh-largest plant genus globally. The genus is principally tropical and subtropical, with major centers of diversity in:
- Tropical South America (~1,000 species)
- Tropical Africa (~150 species)
- Southeast Asia and southern China (~600 species)
The genus name honors Michel Bégon, a 17th-century French colonial administrator and patron of botany.
Begonias have a distinctive feature: the leaves are usually asymmetrical — one side of the leaf is larger than the other. This characteristic appears reliably across the entire genus and is one of the family-level diagnostic features.
Principal cultivated groups:
- Wax begonias (Begonia semperflorens-cultorum group) — the small bedding-annual begonias
- Tuberous begonias (Begonia × tuberhybrida) — large-flowered ornamentals; the show-quality types
- Rex begonias (Begonia rex and hybrids) — grown for spectacular foliage rather than flowers
- Cane begonias — angel-wing begonias and others with elongated stems
- Rhizomatous begonias — varied; many are foliage-display species
Cultural
Begonia cultivation is one of the larger ornamental industries globally. Major commercial producers include the Netherlands, USA ([[berkeley|California]], Florida), Costa Rica, and China. The annual global production of wax begonias for bedding sales is in the hundreds of millions of plants.
Begonia societies — including the American Begonia Society (founded 1932) — maintain active cultivar registries and exhibition traditions. New species and cultivars continue to be described annually; the genus is one of the most actively-researched in modern ornamental horticulture.
The foliage of Begonia rex and related species — with intricate patterns of pink, silver, red, green, purple, and black — has driven a sustained 2010s–2020s collector market for rare leaf-pattern begonias. Some rare named cultivars trade at hundreds of dollars for small cuttings.
The flowers and leaves of most begonias are edible (with a tart-citrus flavor from oxalic acid), though large quantities cause oxalate-related kidney stress.
See also
Auto-generated from this entry’s typed relations: frontmatter, grouped by relation type so the editorial signal isn’t flattened.
- Shares approach with: [[philodendron]] · [[anthurium]] · [[sugarcane]] · [[starfruit]] · [[spider-plant]] · [[soursop]]
- Member of: [[plants]]
Sources
- Wikipedia — Begonia
A plant entry in the 0mn1.one [[directory]].
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