You have reached the IRRI Genebank, where your rice science journey begins. Home to more than 132,000 available accessions which includes cultivated species, wild relatives and species from related genera.

Descriptor: Leaf auricle color (auco_rev_veg)

Color of leaf auricle (small paired ear-like appendages on either side of the base of the leaf blade) at vegetative. Observed in all species.
Vegetative Stage
Crop Germplasm Committee approved
Data Type:
Alpha/numeric descriptor
Maximum Length:
Responsible Site:
International Rice Research Institute (IRRI)

Studies or environments

Distribution of Values for Leaf auricle color (auco_rev_veg)

CodeDefinitionNumber of Accessions
000 Absent87
011 Whitish335
060 Green69
061 Light Green86875
062 Yellowish green13432
080 Purple12306
081 Light Purple269
083 Purple Shade141
084 Purple Lines175
999 Mixture566

International Rice Genebank Germplasm Distribution and Exchange Policy

IRRI continues the free international exchange of germplasm, in accordance with the International Treaty on Plant Genetic Resources for Food and Agriculture (ITPGRFA). We provide rice in small quantities to any entity or establishment for research, breeding, or training for food and agriculture purposes; free of charge. At the same time, we gratefully receive seed contributions to add to our collection.

The procedure for acquiring seeds from IRRI are as follows:
1. Read, study and comply with Standard Material Transfer Agreement(SMTA).
2. Inquire, search and choose accessions through GRIN-Global or Genesys websites.
3. Submit requests electronically through the public websites (refer to #2)