Paris

Paris
A genus of rhizomatous perennials, that are related to the Trillium.
These plants are poisonous, no part of them should ever be eaten.
They prefer a moist, shady, woodland environment. They are tolerant of limestone soils.

Paris chinensis
Also called Paris polyphylla var. chinensis. A perennial, reaching a height of 6 feet or more, that is native to southern China, Taiwan, Burma, Thailand, Laos and Vietnam.
The upright stems bear a handsome whorl of 5 to 11 large leaves at a height of 5 feet.
Hardy zones 6 to 10 in partial to full shade. It is recommended for the southeastern U.S.

Paris polyphylla
A perennial, reaching a maximum size of 3.3 x 2 feet, that is native from India, Nepal and Tibet to eastern China.
The upright stems bear a handsome whorl of oval leaves up to 8 x 2 inches in size. The leaves are borne in whorls of 6 to 10. The foliage is deep green.
The yellow and green ( with violet-purple stigmas ) flowers, up to 4 inches in length, are borne during summer.
They are followed by red fruits.
Hardy zones 4 to 8 in partial to full shade on just about any moist, humus-rich soil.

Paris quadrifolia ( Herb Paris )
A fast growing perennial, reaching a maximum size of 16 inches x 2 feet, that is native to moist woodlands of much of northern Europe, Siberia, Mongolia and northern China.
The leaves are up to 6 ( rarely over 5 ) x 2 inches in size. The ovate or obovate leaves are borne in whorls of 4 or rarely 5.
The yellowish-green flowers are borne during late spring to early summer.
They are followed by dull blue berries. The berries are poisonous.
Hardy zones 2 to 7 in partial to full shade on cool, moist soil.

* photos of unknown internet source

Paris verticillata
A perennial, reaching a maximum size of 3 x 2 feet, that is native to Siberia, Mongolia, north-central to northeast China, Korea and Japan.
The upright stems bear a handsome whorl of 4 to 8 oblanceolate leaves up to 7 x 2 inches in size. The foliage is mid-green.
The yellow and green ( with violet-purple stigmas ) flowers, up to 4 inches in length, are borne during summer.
They are followed by black fruits up to 0.6 inches wide.
Hardy zones 3 to 8 in partial to full shade on just about any moist, humus-rich soil.