Microcarpaea

Scientific name

Microcarpaea R.

Common names

none

Family

Scrophulariaceae

Could be confused with

Crassula

Native distribution

Asia to Australia

Species commonly cultivated

Microcarpaea minima (K.D. König) Merr. (Asia, Australia)

Adventive distribution

none

Weed status

frequently in rice fields, but not considered weedy

Habit

small, creeping stem plant

Brief description

Brief description: Annual or perennial. Stems prostrate, creeping, with adventitious roots at nodes forming dense mat. Leaves decussate, sessile; leaf blade oblong to elliptic, small (2-5 mm long); margin entire. Flowers solitary, sessile in leaf axils; sepals 5, margins ciliate, petals 5, margins ciliate; adaxial lobe longer than rest; white to pale purple. Dispersal by seeds and stem fragments.

Natural habitat

swamps and littoral zone with periodic inundation

Additional comments

a single species in the genus; not widely found in the aquarium hobby; closely related to Glossostigma Wight & Am.