Chionanthus retusus




Family Oleaceae
Tribe Oleeae
Scientific name Chionanthus retusus Lindley & Paxton
Synonyms Chionanthus chinensis Maximovicz; Chionanthus coreana H. Léveillé; Chionanthus duclouxii Hickel; Chionanthus retusa Lindley & Paxton; Chionanthus retusa Lindley & Paxton var. coreanus (H. Léveillé) Nakai; Chionanthus retusus Lindley & Paxton var. coreana Nakai Chionanthus retusus Lindley & Paxton var. fauriei H. Léveillé; Chionanthus retusus Lindley & Paxton var. mairei H. Léveillé; Chionanthus retusus Lindley & Paxton var. serrulatus (Hayata) Koidzumi; Chionanthus serrulatus Hayata; Linociera chinensis Fischer ex Maximovicz
Common name (Japanese common name) hitotsuba-tago (ヒトツバタゴ, 一葉田子 [meaning: one leaf tago (tago = Fraxinus japonica Blume)]), nanjya-monjya (ナンジャモンジャ [meaning: What's that?])
(English common name) Chinese fringe tree
Distribution (Japan) Honshu (Central region)
(Other nations) Korea, China, Taiwan
Chromosomal number 2n=46
Description Plants 2-3m tall. Leaves 4-8cm long. Flowers yellow corollas 2.5cm across, flowering in March to April. Deciduous. Shrub.
Reference Chionanthus retusus Lindl. & Paxton
Chionanthus retusus Lindley & Paxton
Foliar fertilizer and method for using the same (US Patent 6475258/2002)
Juvenile Hormone Analogs for Control of Leafhopper and Treehopper Pests (US Patent 20070225338)
Hair or skin treating agent containing an extract of an Oleaceae family plant (WIPO Patent WO/2007/000214)



May 2007
at Tsukuba Botanical Garden
May 2007
at Tsukuba Botanical Garden
May 2007
at Tsukuba Botanical Garden



May 2005
at Okachimachi Park
May 2005
at Okachimachi Park
May 2005
at Okachimachi Park



December 2007
at Ibaraki Prefecture
Botanical Garden