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Species & Hybrids
This page is presented by Society Vice Chairman Jeff Rhodes.

Species
Species are botanical plants that grow naturally. When a species begonia is crossed with another of the same variety the resulting plants will come true.
Hybrids
Hybrids are the result of crossing two different varieties. The only way to reproduce a hybrid is by vegetative means.

Tuberous / Semi tuberous

   Some begonias in this group produce tubers, others have an irregular tuber like formation at the base, which often appears as a swelling of the stem just above and below soil level. Most will go into dormancy or semi-dormancy, but if temperature and light levels are maintained, they can be kept growing throughout the year. Growing conditions are similar to the tuberous doubles, their basic requirements are:
Light
: - Filtered sun to bright shade.
Temperature
: - 55 to 65F.
Humidity
: - 40 to 50%,
Compost
: - Well-drained.
Feeding
: - A balanced feed should be applied during the growing season. Water carefully to avoid rot.

The list below will not include the tuberous double flowered varieties, they are dealt with elsewhere
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B.gracilis var martiana

An unusual begonia from Mexico, commonly known as the hollyhock begonia. A tuberous species, tall growing, with rose pink, scented flowers, which resemble miniature hollyhocks. Stems are very slender therefore staking is required. These plants form bulbils at the leaf axils, which can be used for propagation. Beware of  mildew.

B.micranthera v foliosa 

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A tuberous species from Argentina. Tall growing with 2Ē leaves, Bright yellow flowers June to September. This variety is said to be dioecious - male and female flowers do not appear on the same plant.  It will go into dormancy during winter. There is also a white flowered variety.

B.dregei `Glasgow`

An easy to grow semi-tuberous species.  Although this is classed as a species, there are several different varieties bearing the dregei name.  It will lose all its leaves in winter and looks rather strange with itís swollen stems.  Masses of small white flowers are produced throughout the summer. `Glasgow` is the only variety of this species that doesnít lose its silver spotting on the leaf.

Cane like      Rhizomatous      Shrub-like      Thick stemmed      Rex cultorum
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