What are heliophytes and sciophytes ?

Heliophytes : The plants that thrive in area where intensity of light is more are called  heliophytes e.g. Dalbergia.

Sciophytes : The sciophytes need less intensity of light and they grow under the canopy of trees. These plants have less amount of chlorophyll and remain smaller due to decreased rate of photosynthesis e.g. Oxalis.