Polygonatum involucratum

Family Ruscaceae (also placed in Liliaceae)
Scientific name Polygonatum involucratum (Franchet & Savatier) Maximowicz
Synonyms Periballanthus involucratus Franchet & Savatier; Polygonatum miserum Satake; Polygonatum nakaianum Ishidoya; Polygonatum periballanthus Makino; Polygonatum periballanthus Makino var. ibukiense Makino; Polygonatum platyphyllum Franchet
Common name (Japanese common name) waniguchi-sou (ワニグチソウ, 鰐口草 [meaning: waniguchi weed (waniguchi = ornamental big bell hanging at the front of Buddhist temple)])
(English common name) none
Distribution (Japan) Hokkaido, Honshu, Shikoku, Kyushu
(Other nations) Russia, Korea, China
Habitat Mountane fields
Chromosomal number 2n=18
Description Plants 20-40cm tall, non hair. Leaves 5-10cm long, non hair. Flowers 2-3 (merely 4) green bracts each 18-28mm long, pedicels 2-4mm long, perianths 20-24mm long, flowering in May to June. Perennial plants.
References Polygonatum involucratum (Franchet & Savatier) Maximowicz
Polygonatum involucratum (Franch. & Sav.) Maxim.

May 2007 at lowland forest May 2007 at lowland forest May 2007 at lowland forest

May 2007 at lowland forest