tussock

Preposition: of

• grass: Overnight, or in wet weather, the butterflies hide themselves deep within tussocks of grass.
• moor-grass: The area is characterized by tussocks of purple moor-grass which turns white in the winter months.
• vegetation: Woodlarks require a mosaic of bare ground or short vegetation for feeding, and tussocks of vegetation with disturbed ground for nest sites.

Converse of object

• form: The threadlike blue foliage and blue flower heads form dense upright tussocks.

Adjective modifier

• large: Pampas grass forms large dense tussocks of stiff, flat and narrow leaves that often have rough or sharp margins.
• tall: Nest in dense reeds, tangled brambles or tall grass tussocks.
• dense: This is a dense tussock forming grass with golden yellow leaves.
• grassy: The going low down is quite appalling; grassy tussocks interspersed with boggy holes giving some of the slowest progress imaginable.
• few: Conditions are locally acidic and this has encouraged the recent growth of a few tussocks of Bog Moss Sphagnum sp.
• high: Lying in the inadequate shade of some high grass tussocks was an enormous old lion.

Modifies a noun

• sedge: Typical of some sections of the river are the distinctive towers of the great tussock sedge.
• grass: Mountain tops are either rocky, bare or carpeted with tussock grass, above a belt of dense shady Holm Oak forest.
• grassland: Tall tussock grassland provides the tallest vegetation cover on the island, there being no trees or tall shrubs.

Noun used with modifier

• grass: Nest in dense reeds, tangled brambles or tall grass tussocks.