Paris verticillata

Family	Melanthiaceae (also placed in Liliaceae)
Scientific name	Paris verticillata Marschall von Bieberstein
Synonyms	Paris dahurica Fischer ex Turczaninow; Paris hexaphylla Chamisso; Paris hexaphylla Chamisso forma purpurea Miyabe & Tatewaki; Paris hexaphylla Chamisso var. manshurica (Komarov) Voroschilov; Paris manshurica Komarov; Paris obovata Ledebour; Paris quadrifolia L. var. dahurica (Fischer ex Turczaninow) Franchet; Paris quadrifolia L. var. hexaphylla (Chamisso) B. Fedtschenko; Paris quadrifolia L. var. obovata (Ledebour) Regel & Tiling; Paris verticillata Marschall von Bieberstein forma purpurea (Miyabe & Tatewaki) Honda; Paris verticillata Marschall von Bieberstein subsp. manshurica (Komarov) Kitagawa; Paris verticillata Marschall von Bieberstein var. manshurica (Komarov) H. Hara; Paris verticillata Marschall von Bieberstein var. obovata (Ledebour) H. Hara
Common name	(Japanese common name) tsukubane-sou (クルマバツクバネソウ, 車葉衝羽根草 [meaning: wheel leaved tsukubane weed (tsukubane = a kind of balls for battledore game of Japan)])
	(English common name) none
Distribution	(Japan) Hokkaido, Honshu, Shikoku, Kyushu
	(Other nations) Russia, Korea, China, Mongolia
Habitat	Mountane forest
Chromosomal number	2n=10, 15, 20
Description	Plants electing 50-90cm tall, non hair. Leaves 4-8 verticillate, each 5-17cm long. Flowers single, pedicels 3.5-15cm long, 4 green outer perianths each 1.7-5cm long, inner perianths 17-27mm long, flowering in May to August. Fruits black 1.4-1.6mm across. Seeds 2.2mm long. Perennial plants.
Reference	Paris verticillata M. Bieb.
	Paris verticillata Marschall von Bieberstein
	Paris verticillata M. Bieb.
	The Constituents of Paris verticillata M. v. BIEB.
	Structural Organization of Ribosomal DNA in Four Trillium Species and Paris verticillata

May 2009 at Karuizawa Botanical Garden	May 2009 at Karuizawa Botanical Garden	May 2009 at Karuizawa Botanical Garden