Having or forming a small head-like structure.

Shaped like or arranged in a head.

A dense cluster of sessile or subsessile flowers, characteristic of the Asteraceae family.

A dry dehiscent fruit composed of two or more carpels that splits open at maturity.

A broad-spectrum fungicide used to control many fungal diseases.

A carbamate insecticide used to control pests on fruits, vegetables and ornamentals.

Organic compounds composed of carbon, hydrogen and oxygen that serve as energy sources in plants.

A gas absorbed by plants during photosynthesis and released during respiration.

The fundamental element in organic compounds, obtained by plants from CO₂ during photosynthesis.

The proportion of carbon to nitrogen in organic matter, important for decomposition rates.