acerose

ac·er·ose  (s-rs) adj. Needlelike, as the leaves of pine; acerate. [New Latin acersus, incorrect use of Latin acersus, full of chaff (as if from acus, needle, or cer, sharp), from acus, acer-, chaff; see ak- in Indo-European roots.]

acerose needles of the white pine

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acerose [ˈæsəˌrəʊs -ˌrəʊz], acerous

adj

(Life Sciences & Allied Applications / Botany) shaped like a needle, as pine leaves

[from Latin acerōsus full of chaff (erroneously used by Linnaeus as if derived from ācer sharp)]

Thesaurus

Adj.

1.

acerose - narrow and long and pointed; as pine leaves acerate, acicular, needle-shaped unsubdivided, simple - (botany) of leaf shapes; of leaves having no divisions or subdivisions