adventive

American  

[ad-ven-tiv] / ædˈvɛn tɪv /

adjective

1. not native and usually not yet well established, as exotic plants or animals.

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noun

1. an adventive plant or animal.

adventive British  

/ ədˈvɛntɪv /

adjective

1. (of a species) introduced to a new area and not yet established there; exotic

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noun

1. such a plant or animal

adventive Scientific  

/ ăd-vĕn′tĭv /

1. Not native to and not fully established in a new habitat or environment. An adventive plant may be locally or temporarily naturalized without finding conditions that allow it to spread more widely.

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Other Word Forms

• adventively adverb

Etymology

Origin of adventive

1595–1605, for an earlier sense; < Latin advent ( us ) advance, incursion ( advent ) + -ive

Example Sentences

P. procúmbens, L.—Dry fields, mostly in sandy soil, Md. to Tex.; also adventive in Penn. June–Oct.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Species mostly adventive or naturalized from Europe, with many hybrids.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Some of its hybrids, as S. Smithiàna, Willd., etc., stand our climate better, but cannot be regarded as adventive.

From The Manual of the Botany of the Northern United States Including the District East of the Mississippi and North of North Carolina and Tennessee by Gray, Asa

Accidentally or sparingly spontaneous in a country or district; not fully naturalized; adventive; Ð applied to foreign plants.

From Webster's Unabridged Dictionary by Webster, Noah