1. perianth and two integuments
2. embryo development and apical meristem
3. absence of resin duct and leaf venation
4. Presence of vessel elements and absence of archegonia.
Presence of vessel elements and absence of archegonia.
1. Polytrichum
2. Cedrus
3. Marchantia
4. Pinus.
Cedrus
1. Polytrichum
2. Adiantum
3. Marchantia
4. Pinus.
Pinus.
1. Motile sperms
2. Cambium
3. Vessels
4. Seeds.
Motile sperms
1. Monocotyledons and dicotyledons
2. Angiosperms and gymnosperms
3. Cryptogammae and phanerogammae
4. Unicellular and multicellular plants.
Monocotyledons and dicotyledons
1. xylem vessel
2. ovule
3. xylem tracheids
4. seeds.
xylem vessel
1. parasite
2. epiphyte
3. symbiont
4. saprophyte.
parasite
1. scattered
2. closed
3. concentric
4. arranged in ring.
arranged in ring.
1. two
2. three
3. four
4. five.
three
1. Pinus
2. Viscum
3. Nepenthers
4. Cuscuta.
Nepenthers