MODULE 2: FORMS AND IMPORTANCE OF THE PLANTS

Autotrophic

These are independent plants that can manufacture their own food through hypothesis. This usually belongs to higher form of plants.

Heterotrophic

These are dependent plant that do not have chlorophyll or green pigment such as mushroom, yeast, and mold.

Pteridophytes

spore-forming plants such as clubmosses and ferns

Angiosperm

flowering plants such as roses and tulips

Gymnosperms

non-flowering plants such as conifers and cycads

Parasitic Plant

depend food on other living organism

Saprophytic Plant

depend their food on dead organic matter.

Mesophytes

plants that require a moderate amount of water

Xerophytes

plants that can survive in extremely dry places like desert regions

Hydrophytes

plants that can survive in moist places

Halophytes

plants that can survive in watery places with high salt content such as seaweeds.

Aquatic Plant

live in the water

Terrestrial Plant

live on land

Aerial Plant

live above the ground and attached themselves to other plant species

Annual Plant

live about a year

Biennial Plant

live for about two years

Perennial Plants

can live for many years

trees

plant that have a single but woody stem. Grow approximately 20 feet tall

shrubs

plant that have a small woody main stem, they are short and bushy.

herbs

plant with soft stem, shorter in size, and grow about 2 to 3 meters tall

vines

plant that have twinning structures and climbing support parts.

liana

plants that include woody vines like rattan and usually climbs onto trees.

Nigella sativa

black cumin

Vernonia amygdalina

bitter leaf plants

Azadirachta indica

neem tree

Eurycoma longifolia

tongkat ali

Alkaloid

Naturally occurring chemical compounds from plants, these are waste products of metabolic processes and protective agent of plants.