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Orchids PNG - Orchids glossary Category: Animals and Nature > Orchid terms Date & country: 04/08/2014, UK Words: 193

globose
habing the shape of a globe

habitat
area or region where a plant naturally lives

glabrous
smooth, without hairs

falcate
curved like a scythe

filiform
thread-like

fimbriate
fringed with long hairs

foliate
5-foliate means with 5 leaves

fusiform
spindle shaped; rounded and tapering from the middle towards each end

galeate
helmet-shaped

glabrescent
becoming glabrous, more or less without hairs

divaricate
spreading away from each other in different directions

dorsal
on most orchids the dorsal sepal is the upper one; at the back

emarginate
with an indentation, usually at the apex

endemic
confined to the area concerned

equitant
said of con-duplicate leaves which overlap each other in two ranks

erose
jagged, as if gnawed; having a ragged edge

distichous
arranged in two rows or ranks

dehiscent
opening

disc
the central, basal part of the labellum from which the lobes radiate

discoid
round and flattened in shape

distal
furthest from the axis or base

cymbiform
boat-shaped

deciduous
falling off, shedding leaves at maturity or at the end of the growing season

cuneate
wedge-shaped as in a leaf base with gradual tapering sides

cordate
heart-shaped

coriaceous
leathery

corm
a thick, underground stem usually of several internodes

corolla
ring of petals protecting reproductive organs

crenulate
with tiny rounded teeth along the margin

cuculate
hood-shaped

cleistogamous
fertilized within the unopened flower

cliandrium
a small hollow near the apex of the column in which the anther sits

column
the central part of the orchid flower, formed from the fusion of the stamens and the styles

conduplicate
foled lengthwise along the middle

calcarate
spurred

callus
a thickened part; usually referring to various ornaments on the labellum

canaliculate
longitudinally channeled; striated, with longitudinal grooves

carnose
fleshy

caudicle
a slender, mealy or elastic extension of the pollinium, part of the pollen mass and produced within the anther

ciliate
fringed with fine hair-like structures

clavate
shaped like a club

claw
narrow basal part of petal, or as part of the midlobe in Orchidaceae the conspicuously narrow or contracted portion which forms the narrow base of the midlobe

biggibus, -a, -um
having two small protuberances

bilobate
two-lobed

bisexual
two-sexed; with both stamens and pistils

botanical
a term designating any species or genus or orchid which is not grown commercially for its flowers

bract
a reduced leaf-like or scale-like organ embracing the base or the stem of a flower

bulbose
inflated at the base; with a bulb

bactericide
a chemical substance that destroys bacteria

barbate
bearded

biennial
two season's duration from seed to maturity and death

bifarious
arranged in two rows

bifoliate
having two leaves; two-leaved

bigeneric
involving two distinct genera in the parentage; applied to hybrids

autogamus
self-fertilizing

awn
a bristle-like part or appendage; any small pointed process

axil
the angle between a branch and a leaf on the stem or axis from which it arises

axis
the main or central line of development of any plant or organ; the main stem

back cross
a mating between orchid progeny and one of the original parents

backbulb
an old pseudobulb, often without leaves but still alive and bearing one or more eyes, behind the actively growing portion of a sympodial orchid

apicule
a short pointed tip at the apex of a leaf or floral segment

artificial hybrid
the off-spring of a man made cross between two dissimilar parents, that is, parents not of the same species or hybrid grex; any plant progeny produced with man as the pollinating agent

asexual
sexless; without involving sex, such as in vegetative propagation

asymbiotic
without symbiosis; referring to a method of germinating orchid seed without the presence of fungi

atropurpureus, -a, -um
dark purple

auricle
a small ear-like appendage or lobe

apiculate
ending abruptly in a short sharp point

anosmus, -a, -um
having no scent

anther
the part of the stamen containing the pollen; the top part of the column

anther cap
the covering of the pollen masses on the flower's column

apex
the tip of the organ

aphid
a plant louse; plant-sucking insect

aphyllous
without leaves

annulations
scars or traces left on the pseudobulb after the leaf bases have been shed

annual
a plant that completes its life from seed to death in a year

angiosperm
any plant of a class (angio sperma) having the seeds in a closed ovary

adventive
growing spontaneously

aerial roots
roots produced above or out of the growing medium

aggregate
collected into one mass

alternate
not opposite or paired

amabilis, -e
lovely

ancipitous
compressed, flattened, two-edged

androgynous
having both male and female flowers on the same inflorescence; hermaphroditic

aculeate
set with prickles

acuminate
drawn out at the apex into a sharp point

acute
having an apex tapering at less than 90 degrees

adnate
adhering, united

adventitious
produced out of the usual or normal place, such as some roots or buds

aberrant
unusual or exceptional; a plant or structure that varies from the normal or typical

abortive
arrested in development

acaulescent
stemless, or apparently so

accessory buds
buds, but more than on on an axil

acicular
needle-like