adventive

ad·ven·tive  (d-vntv)

adj.

Not native to and not fully established in a new habitat or environment; locally or temporarily naturalized: an adventive weed.

n.

An adventive organism.

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[From Latin adventus, arrival; see advent.]

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ad·ventive·ly adv.

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adventive [ədˈvɛntɪv] Biology

adj

(Life Sciences & Allied Applications / Biology) (of a species) introduced to a new area and not yet established there; exotic

n

(Life Sciences & Allied Applications / Biology) such a plant or animal Also called casual

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adventive  (d-vntv)

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.

Thesaurus

Adj.

1.

adventive - not native and not fully established; locally or temporarily naturalized; "an adventive weed" foreign, strange - relating to or originating in or characteristic of another place or part of the world; "foreign nations"; "a foreign accent"; "on business in a foreign city"