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| May 2006 at Tsukuba Botanical Garden |
May 2006 at Tsukuba Botanical Garden |
May 2006 at Tsukuba Botanical Garden |
| Family | Boraginaceae |
| Scientific name | Lithospermum erythrorhizon Siebold & Zuccarini |
| Synonyms | Lithospermum officinale L. subsp. erythrorhizon (Siebold & Zuccarini) Handel-Mazzetti; Lithospermum officinale L. var. japonicum Miquel; Lithospermum officinale L. var. erythrorhizon (Siebold & Zuccarini) Maximovicz |
| Common name | (Japanese common name) murasaki [purple] |
| (English common name) purple gromwell, red gromwell, red-root gromwell | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku, Kyushu |
| (Other nations) Russia, Korea, China | |
| Chromosomal number | 2n=28 |
| Description | Plants electing 40-70cm. Leaves 3-7cm length, 7-20mm. Flowers white corollas 5mm, flowering in May to July. Perennial plants. |
| Reference | Lithospermum erythrorhizon Siebold & Zucc. |
| Lithospermum erythrorhizon Siebold & Zuccarini |
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| May 2006 at Tsukuba Botanical Garden |
May 2006 at Tsukuba Botanical Garden |
May 2006 at Tsukuba Botanical Garden |
