| Family | Boraginaceae |
| Scientific name | Ehretia acuminata R. Brown |
| Synonyms | Cordia thyrsiflora Siebold & Zuccarini; Ehretia acuminata var. grandifolia Pampanini; Ehretia acuminata R. Brown var. obovata (Lindley) I. M. Johnston; Ehretia argyi H. Léveillé; Ehretia kantonensis Masamune; Ehretia ovalifolia Hasskarl; Ehretia serrata Roxburgh; Ehretia serrata Roxburgh var. obovata Lindley; Ehretia taiwaniana Nakai; Ehretia thyrsiflora (Siebold & Zuccarini) Nakai |
| Common name | (Japanese common name) chisha-no-ki (チシャノキ, 萵苣の木) [meaning: lettuce tree] |
| (Chinese common name) hou ke shu (厚殻樹) | |
| (English common name) Koda, Silky Ash, Churnwood, Brown Cedar | |
| Distribution | (Japan) Honshu (Chugoku region), Shikoku, Kyushu, Okinawa |
| (Other nations) Korea, China, Taiwan, Vietnam, Indoensia, Australia, Bhutan, India | |
| Chromosomal number | 2n=30, 32, 36 |
| Description | Plants 10-20m. Leaves 5-12cm. Flowers white corollas 5mm, flowering in June to July. Deciduous. Arbor trees. |
| Reference | Ehretia acuminata R. Brown |
| Ehretia acuminata R. Br. |
| June 2007 at Kyoto Botanical Garden |
June 2007 at Kyoto Botanical Garden |
June 2007 at Kyoto Botanical Garden |