Glossary

Glossary

Glossary

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There are currently 60 names in this directory beginning with the letter C.
Ca.; circa
Around, about, near, approximately

Caducous
Dropping off or shedding at an early stage of development. Usually applied to some Begonia stipules that fall off after leaf matures, or some bracts on an inflorescence

Calyx
The outer perianth whorl, usually green; the collective term for all of the sepals of one flower View Illustration

Campanulate
Bell-shaped

Cane-like
Having wood-like jointed stems similar to bamboo. Ex. B. maculata, B. ‘Flamingo Queen’, B. ‘Cracklin’ Rosie’

Capitallate
Located at the top of a pillar or column

Capituliform
Shaped like a head

Capsule
A dry fruit that develops from two or more united carpels

Carpel
The reproductive parts of the female flower. Ovule-bearing structure, the basic unit of the female element of a flower

Caudacious
Regarding stipule persistence, when stipules fall off early as the leaf matures

Caudate
Tall-pointed, excessively acuminated, so the point is long and weak, like the tail of an animal

Caudate Apex
A leaf tip that has a blunt end on a long, narrow, fine pointed tail-like tip

Caudex
The stem of a plant, especially a woody one; also used to mean a rootstock, or a basal stem structure or storage organ (like a tuber) from which new growth arises

Caulescent
Obvious upright stems above ground

Cauline
Pertaining to the stem; placed on the stem

Chaff
Small membranous scales or bract

Chalazal
The basal part of an ovule where it is attached to the funiculus (stalk bearing the ovule)

Chartaceous
Papery thin and opaque texture

Chatoyant
Having changeable color or luster

Cheimantha
A hybrid, winter-blooming tuberous group of begonias, derived from crosses with B. socotrana and B. dregei

Chloroplast
An organelle present in plant cells that contains chlorophyll and other photosynthetic pigments

Chlorosis
Disease resulting in yellowing or blanching of green leaves

Chromosomes
Microscopic bodies in cells carrying the hereditary material

Cicatrix
A scar left by the fall of a leaf or other organ

Ciliate
Fringed with a row of fine hairs; a leaf margin with a fringe of small hair along the entire edge, eyelash-like

Ciliolate
Minutely ciliate

Cincinnus; cincinnate
A helicoid cyme. An inflorescence which grows one lateral side only at each dichotomous division, creating a curve

Circular
Approximating a circle in shape

Classification
The placement of a plant and/or plant group in a category

Clavate
Club shaped, gradually thickening upwards from a very tapered base

Cleft
A leaf with deep lobes or incisions that indent one third to two thirds of the way from the margin to the leaf radius or umbo

Clone
Genetically identical descendants derived asexually from a single individual; the vegetative propagation such as from cuttings or cloning

Compound
Composed of two or more parts, e.g. a leaf composed of multiple leaflets, or an inflorescence made up of multiple smaller inflorescences

Compound leaf
A leaf separated into two or more distinct leaflets with their own individual petiole Ex. B. carolineifolia, B. thiemei

Concave
Curved inward toward the center of the lamina or tooth

Concolorous
Uniformly colored

Connate
United to a structure of the same kind, as one tepal to another

Connective
The portion of the stamen or tissue connecting the two pollen cells of an anther, especially when the cells are separated

Consistency
Degree or texture of density, firmness

Convex
Curving outward or away from the center of the lamina or tooth

Cordate
Heart-shaped, with the notch lowermost; of the base of a leaf, like the notched part of a heart

Coriaceous
Medium thick, but with the texture and feel of soft leather

Cormels
The miniature corm produced annually, and vegetatively, in leaf axils

Corolla
The collective name for all of the petals of a flower View Illustration

Costa
A rib; midrib or midvein of a leaf

Cotyledon
Seedling leaf; first single leaf or pair of leaves in the embryo of a flowering plant

Creeper
Shoot that trails on the surface of soil and produces roots at intervals

Creeping
Growing on the surface of the soil, such as rhizomes

Crenate
A leaf margin with obtuse, or broad rounded teeth, or scallops

Crenulate
A leaf margin or edge that is scalloped, but the scallops are very small and fine.

Crested
A leaf margin that has a ruffled, frilled, wavy, or overlapping edge

Crispate
Minutely undulating leaf edge; curled

Cucullate
Hooded; hood shape

Cultigen
Plant known only in cultivation

Cultivar
A form of plant originating under cultivation

Cuneate
Wedge-shaped, triangular and taping to a point at the base, obtriangular, Ex. B. buseyi

Cuspidate Apex
The tip or terminal end of a leaf blade that has a short, sharp, abrupt point

Cyme
A flat-topped or rounded-topped determinate inflorescence in which the terminal flower blooms first

Cymose
With flowers in a cyme

Cymose Inflorescence
Lacks a central axis that dominates the lateral branches, unlike racemose inflorescence, where the central axis is continually growing and is the dominant central axis. Many begonias have cymose inflorescence


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