피막이-[정명] Hydrocotyle sibthorpioides Lam.

Hydrocotyle sibthorpioides is a small species of flowering plant native to southeastern Asia. It is also referred to as lawn marshpennywort. It is a dicot, traditionally placed in the family Apiaceae, but more recently suggested to belong in the Araliaceae. It grows in abundance when the conditions are right. Hydrocotyle sibthorpioides originated in southeastern Asia, but is slowly spreading in the United States, along with other places around the world. It can grow in a wide variety of habitats. It has been used for medicinal purposes in Asia and is also common in the aquarium trade.

Description

The leaf width ranges from 0.5 to 2 cm. The plant has a moderate growth rate and produces small flowers. The flowers are a faint yellow with a hint of purple. Flower clusters are simple and flat topped or rounded. There are inconspicuous involucral bracts at the base of each flower and indistinct sepals. The leaves are simple, with a small leafy outgrowth at the base, and kidney-shaped to round. Leaf edges are scalloped. The leaves are broad and alternate. The peltate leaves are often described as egg-shaped; all of the leaves are hairless and they often have five to seven shallow lobes around the edge. Fruits are flat and break in half when the plant reaches maturity. Once the fruit has broken open, there is one seed on each side. The fruits are elliptical to round with thin ridges and no oil tubes (vitta), which is characteristic in the fruit of umbelliferous plants.

Hydrocotyle sibthorpioides - Wikipedia

 

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