Descriptor: Leaf Base Shape (LBASESHAPE)



 
Definition:
Shape of the leaf base
Crop:
TOBACCO
Category:
Morphological descriptors
Status:
Data Type:
Alpha/numeric descriptor
Maximum Length:
1
Responsible Site:
US Nicotiana Germplasm Collection (TOB)

Distribution of Values for Leaf Base Shape (LBASESHAPE)

CodeDefinitionNumber of Accessions
1Tapering gradually to a narrow base974
2Heart-shaped, with a notch at the base21
3With a round base61
4With a base generally squared off at the end6
5With unequal sides, can be in combination with other leaf base types such as rounded2