needle-shaped

Sulphur trioxide forms thin needle-shaped crystals, arranged in feathery groups.

Acicular, as-ik′ū-lar, adj. needle-shaped; slender and sharp-pointed.

Half-hidden among trees rose a slender spire, needle-shaped, tall as a tower, but unwindowed.

So through the jungle Nazim ran to the needle-shaped hill, and there was Kidsadita, the pink-flowering tree.

The genus Anceryx also belongs to the Sphingin, and these caterpillars, as far as known, live on trees with needle-shaped leaves.