Leaf Development
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Curtis, Lersten, and Nowak 2002 rev. 2015
Overwintering bud of
Populus deltoides
(cottonwood) with immature leaves and secretory stipules.
Overwintering bud of
Populus deltoides
(cottonwood) with immature leaves and secretory stipular bud scales.
Overwintering bud of
Populus deltoides
(cottonwood) with immature leaves and secretory stipular bud scales.
Overwintering bud of
Populus deltoides
(cottonwood) with immature leaves and secretory stipular bud scales.
Overwintering bud of
Populus deltoides
(cottonwood) with immature leaves and secretory stipules.
Overwintering bud of
Populus deltoides
(cottonwood) with immature leaves and secretory stipules.
Immature leaf in overwintering bud of
Populus deltoides
(cottonwood).
Immature leaf in overwintering bud of
Populus deltoides
(cottonwood).
Immature leaf in overwintering bud of
Populus deltoides
(cottonwood).
Last emerging leaves and developing new bud,
Populus deltoides
(cottonwood).
Castor bean (
Ricinus communis
) bud cross section showing two immature leaves.
