Begonia Registration Handbook - American Begonia Society

Begonia - genus of the family Begoniaceae
Begoniaceae - the family of plants to which the genus Begonia belongs
binomial - species name consisting of name of genus and specific epithet
bipinnate - compound leaved with leaflets on both sides of the petiole (like a feather) which are pinnate
blade - expanded part of a leaf
bract - leaf like structure surrounding the base of flower cluster stem (peduncle)
bracteole - similar to bract but surrounding the base of the stem of an individual flower (pedicel)
bud - undeveloped shoots such as in leaf nodes of the stem
bulb - modified underground bud that consists of a very short stem covered with leafy scales or layers
bulbel - miniature bulb asexually produced about the base of scales of bulb
bulbil - small bulb like structure formed in leaf axils of the plant.
bulblet - diminutive for bulb, regardless of where it originates
bullate – leaf surface irregularly puckered or-blistered
caducous - dropping off early before maturity. Usually applied to begonia stipules which fall off after leaf
matures.
cane-like - having wooden jointed stems like bamboo
carpel - the reproductive parts of the female flower
caulescent - obvious upright stems above ground
chaff - small membranous scales
chartaceous - papery thin texture
chatoyant - having a velvety sheen or luster
Cheimantha - winter-blooming tuberous group of begonias derived from B. socotrana crossed with B.
dregei
chromosomes - microscopic bodies in cells carrying the hereditary material
ciliate - fringed with very fine hairs
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