1. Plural of helianthemum; a genus of small flowering plants in the rockrose family, typically with yellow, pink, or white flowers and low-growing, spreading habits.
Usage: botanical term; commonly used in gardening and horticulture

Examples

• The gardener planted helianthemums along the rocky slope to add color and prevent erosion.
• Helianthemums thrive in well-drained soil and full sunlight.
• These helianthemums bloom throughout the summer with delicate, papery flowers.
• The yellow helianthemums created a cheerful border in the alpine garden.
• Helianthemums are popular choices for xeriscaping because they require minimal water.