Japanese Orixa - Orixa japonica [1]
Citrus or Rue Family: Rutaceae
Orixa is a shrub growing to 2.5m tall and equally wide. Hardy in Zones 5a - 7b (Fig. 1).
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Japanese Orixa - Orixa japonica
These photographs are Autumn colors on October 19th, near Chicago

Orixa are said to shoot their ripe seeds several feet. Native to Japan, Korea, east, central and southwest China.

Abstract; "During the study of the alkaloidal constituents of Orixa japonica (Rutaceae), 14 alkaloids have been isolated from the various parts of this plant. Among these alkaloids, five alkaloids are new naturally occurring compounds and ten alkaloids were isolated from this plant material for the first time." Read more of this abstract HERE [2].

Japanese Orixa - Orixa japonica

  

 Tree Hardiness Zone Map
Figure 1.
Hardiness zone map courtesy the Arbor Day Foundation*

Japanese Orixa - Orixa japonica
Japanese Orixa - Orixa japonica

References
  1. Japanese Orixa - Orixa japonica Morton Arboretum acc. 1309-39*1, photographed by Bruce  Marlin
  2. FUNAYAMA SHINJI(Aomori Univ., Fac of Eng.) NOSHITA TOSHIRO(Aomori Univ., Fac of Eng.) MORI TETSUYA(Aomori Univ., Fac of Eng.) KASHIWAGURA TADASHI(Aomori Univ., Fac of Eng.) MURATA KIYOSHI(Aobakasei), "Quinoline alkaloids from Orixa Japonica"
 
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