Ooia

Scientific name

Ooia S.Y. Wong & P.C. Boyce

Family

Araceae

Native distribution

endemic to Borneo

Species cultivated

not currently cultivated

Adventive distribution

none

Weed status

not weedy

Habit

obligate or facultative rheophytes, occasionally lithophytic herbs; tolerates extended submersion but prefers emersed growth habit

Brief description

Small aroid. Stem erect or decumbent, typically condensed; roots with adventitious shoots. Leaves alternate to spiral; petiole sheath short, ligule long, triangular; leaf blade elongate-lanceolate to elliptic or oblonceolate; apex typically with tubular mucro; base cuneate; venation pinnate with distinct marginal vein. Inflorescence a spathe and spadix emerging vertically from leaf axils, becoming horizontal or downturned at maturity; peduncle subequal to or longer than petiole; spathe stoutly ellipsoid, not constricted, pink, persistent, gaping at anthesis, apex cuspidate to acuminate; spadix sessile. Infructescence a cluster of free berries,within spathe, finally disintegrating.

Natural habitat

along streams and by waterfalls in lower montane rainforests

Additional comments

Ooia is a genus of ten species.