related: 1.01 Unifoliolate leaves unfolded in soybean
related: 1.02-one to two leaves in maize
related: 1.2 1-2 leaves in maize
related: 2.02-first leaf unfolded in barley
related: 2.02-first leaf unfolded in oat
related: 2.02-first leaf unfolded in Triticeae
related: 2.02-first leaf unfolded in wheat
related: BBCH growth stage 11
related: LP.01 one leaf visible in Solanaceae
related: maize growth stage-1.2
related: pre tillering
related: rice growth stage-2.1
related: V1 in maize
related: VC stage in soybean
related: Zadok scale-11, Haun scale-1.+
related: Zea V01 stage
Definition
The stage at which leaves at one node, other than the cotyledonary node, are visible above ground. [source: GR:Anuradha_Pujar, POC:curators]
Comment
In the taxa with hypogeal type germination the first leaf on the epicotyl is leaf 1, and in grasses, the coleoptile is leaf 1. The leaves can be a single leaf, two, or whorls of leaves at each node.