morphology in flowering plants Flashcards
embryonal axis in dicot seed is called
tigellum
stem arises from
plumule (hypocotyl)
root arises from
radicle (epicotyl)
root hairs arise from
region of maturation
any root arising from other part of plant other than radicle is called
adventitious root
monstera has
adventitious root
wheat has
fibrous root
pea has
tap root
taproot modification includes
radish, turnip, carrot
radish stores food in
taproot
sweet potato and asparagus are
adventitious root modification
pillar like adventitious roots are known as ____ and is seen in ____
prop roots; banyan
in maize and sugarcane ____ provides support
stilt roots
rhizophora and other marshy plants have modifications called
pneumatophores
stem bears ______
nodes & internodes
creepers include
grasses
climbers are
grapevine, passion fruit
sweet potato stem is modified into ___
twiner
weak stemmed plants include
creepers, trailers, climbers, twiners
potato is a ____ modification whereas sweet potato is a ____
stem; root
colocasia and zaminkand have modified shoot into ____ for ____
corn; perennation and storage
bulb includes
onion, garlic
rhizome is
ginger and turmeric
the stem modification which grows obliquely is _____ and it is seen in ____
tuber; potato
thorn is a ____ modification
endogenous stem
tendrils in grapes, cucumber, gourd, pumpkin are _____ modifications
stem
tendrils in pea are ____ modifications
leaf
green fleshy stem for photosynthesis is _____
phylloclade
phylloclade is cylindrical as in
euphorbia
cladode is seen in
asparagus
phylloclade is flattened as in
opuntia
the sub aerial modification which runs along the substratum is ____ and is seen in ___
runner; strawberry and grasses
the sub aerial modification which grows aerially for sometime and then bends towards the ground is ____
stolon; mint and jasmine
the sub aerial modification which grows below the soil and comes out obliquely ____
sucker; banana and chrysanthemum
the sub aerial modification seen in aquatic plants with rosette habit is
offset; pistia and eichornia
leaf arises from
node
alternate phyllotaxy in
china rose, mustard, chili
opposite phyllotaxy in
calotropis
alstonia shows which phyllotaxy
whorled
in compound leaves….
incisions of lamina reach the midrib and split it into leaflets
stalk in simple leaf is
petiole
stalk in compound leaf is
rachis
reduced fleshy leaf is seen in ____ and is called ___
onion and garlic; scale leaf
pinnately compound leaf is ____
neem, rose
palmately compound leaf is
silk cotton
eyes of potato are
axillary buds
axillary bud is found in….
base of stalk but not base of leaflet
leaf spine is found in
cactus
phyllode is ___ and is seen in ___
fleshy stalk for storage; acacia
leaf tendril is
pea
pitcher scientific name
nepenthes
utricularia is
bladderwort
dionaea is
venus fly trap
sundew is
drosera
solitary flower stalk is called
pedicel
common stalk for many flowers
peduncle
when shoot tip transforms into flower….
it is solitary
cymose inflorescence example is
jasmine
thalamus is also called
receptacle
flower arises from
apical/axillary bud
proximal end of filament is attached to
thalamus/petal
distal end of filament is attached to
anther
unisexual flowers are
coconut, papaya
bisexual flowers are
pea, china rose
syncarpous flowers are
papaver
apocarpous flowers are
michelia
monochlamydeous flowers are seen in
liliaceae
monoadelphous stamens in
malvaceae
diadelphous stamen in
pea
polyadelphous stamens in
citrus
superior ovary is seen in
china rose, mustard, pea
half inferior ovary is also called
perigynous
inferior ovary is called
epigynous
perigynous flowers are seen in
rose, plum, peach
epigynous flowers are seen in
sunflower, marigold, cucumber
arrangement of calyx and corolla is called
aestivation
valvate as in
calotropis
twisted in
china rose
cassia and gulmohur show
imbricate
sepals/petals overlap irregularly is called
imbricate
vexillary is also called
papillonaceous
____ is the fused petal in pea
keel
syngenesious anthers (fused anthers) are seen in
disc florets of asteraceae
asymmetrical flowers are
canna
zygomorphic flowers are those which can be divided….
two equal planes by any one plane passing in one vertical plane
in salvia, anthers are
different sizes; 2 short 2 tall
in mustard, anthers are
different size, 2 short 4 tall
most developed placentation is
basal
free central placentation in
dianthus and primrose
parietal placentation in
mustard, argemone
in drupe endocarp is
hard and stony
in drupe of mango, ____ is fleshy
mesocarp
in drupe of coconut, ___ is fibrous
mesocarp
achene represents
fruitlets of strawberry
aleurone layer is ____
triploid
plumule and few leaf primordia are enclosed in
sheath like coleoptile
radicle is enclosed in
coleorhizza
