Stems
A supporting and conducting organ usually developed initially from the epicotyl and growing upward.
Stem form | Classification based on habit, direction of growth, or position. | |
Stem type | Classification based on type of perrenial structure. | |
Stem vestiture and/or surface | Trichome cover types, or type of hairy cover. | |
Basal leaf arrangement (at base of stem) |  | |
Cauline leaf arrangement (on stem) | Disposition of organs or parts with respect to one another. | |
cauline leaf petioles | Leaf stalk. |  |