TYPE I: Cycas – Occurrence , Structure and Reproduction
abidaTYPE I: CYCAS Occurrence Cycas has a limited distribution. It is found in south East Asia and Australia. Cycas is also cultivated as an ornamental plant in the gardens and…
DEFINITIONS AND KEY POINTS FOR OBJECTIVES OF PTERIDOPHYTA
DEFINITIONS AND KEY POINTS FOR OBJECTIVES OF PTERIDOPHYTA
Gymnosperms life cycle , Cones , Fertilization , Affinities & Classification
GYMNOSPERM Occurrence Gymnosperms are naked seeded plants. Gynmosperms are a group of ancient plants. They become dominant in the Jurassic period Most of the gymnosperms are evergreen trees. Some shrubby…
Seed Habit its history ,evolution & Lineages
SEED HABIT A seed consists of an embryo, stored food and a seed coat. The seed habit is the most complex and evolutionary successful method of sexual reproduction. It is…
Pteropsida (FERNS) – TYPE III Polypodium – Occurrence & Structure
PTEROPSIDA (FERNS) TYPE III POLYPODIUM Occurrence Polypodium is a perennial herb. It is found mostly in temperate regions. It has worldwide distribution. Mostly is attached to some rocks. But some…
PTEROPSIDA (FERNS)
PTEROPSIDA (FERNS) TYPE II MARSILEA (Water fern) Occurrence Marsilea is an aquatic or semi aquatic plant. It is common in the temperate regions. It groNA in fresh water ponds and…
Ipteropsida (FERNS) – TYPE I Adiantum
IPTEROPSIDA (FERNS) TYPE I ADIANTUM (Maiden Hair Fern) Occurrence Adiantum is a common fern. It is found in the plains of the Punjab. It grows in shady places. It is…
Sphenopsidaf – Occurrence & Structure
SPHENOPSIDAF TYPE EQUISETUNI Occurrence The genus Equisetum has 25 species. It is world wide in distribution. They are most common in temperate regions. It generally grows in moist places. General…
LYCOPSIDA
LYCOPSIDA TYPE SELAGINELLA Occurrence Selaginella is a tropical plant. It has world wide distribution. It grows in damp forests. Some species occur in temperate regions. They grow in moist shady…
PSILOPSIDA in botony for plants
PSILOPSIDA TYPE PSILOTUM Occurrence Psilotum is distributed in tropical and subtropical regions. It may grow as an epiphyte on the bark of trees. It also grows on soil where humus…