| 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. |