modifications Flashcards
(83 cards)
Tap root types
food storage, respiration purposes
food storage types
fusiform, conical root, napiform root
swollen in the middle and tapering towards the apex and base
fusiform
spindle shaped
fusiform
example of fusiform
Radish
root is broad at base and tapers towards apex like a cone
conical
example of conical
Carrot
swollen at the upper part of and then becomes soherical and sharply tapering at lower part
Napiform
examples of napiform
turnip, beetroot
halophyte examples
rhizpora, avicennia, sonneratia, heritiera
vrowing in swampy areas
halophytes
negatively geotrophic plants
halophytes
exchange of gases through what
pneumathodes, lenticels
Adventitious root types
food storage, mechanical support, epiphytic, sucking/haustoria
tyoes of food storage
Simple tuberous, fasciulated tuberous
get swollen and store food
simple tuberous
example of simple tuberous
sweet potatato
cluster arising from one point becomes thick and fleshy
fasciulated tuberous
example of fasciculated tuberous
dahlia and asparagus
types of mechanical support
prop roots, stilt roots
arise from horizontal branches and grow vertically downwards till the oenetrate in the soil
prop roots
secondary growth- act like pillars
prop roots
example of prop roots
banyan tree
arise from few lower nodes of weak stem of monocots
stilt roots