He adopted the scheme that plants are divided into three main groups--acotyledons, monocotyledons, and dicotyledons--based on the number of embryonic seed leaves that appear when a shoot begins to grow, or germinate.
In soybean, much like pathogen response, ozone elicits a hypersensitive resistance response that leads to a heightened production of flavonoids; in turn, this increase in flavonoids is thought to be a key factor in toxicity in the leaves that appears in the form of stippling and necrosis [ 10].
Ms. Rowland also made a print of a heroic weed with big heart-shaped leaves that appeared a few weeks later on Greenwich Avenue between Edgar and Rector Streets.
The number of leaves that appear at a node depends on the species of plant; one leaf per node is common, but two or or more leaves may grow at the nodes of some species.
Autumn crocus are smaller and neater than colchicums, growing to 2-4in, and many of them have very narrow, grass-like leaves that appear at the same time as the flowers.
TUCSON, ARIZONA--Leaves that appear to have been nibbled may fool plant-eating bugs into avoiding them, a new study finds.
Opuntioids and Maihuenia have leaves that appear to consist only of a midrib.
For instance, after his father died, Goldberg cast his father's hearing aid in gold and filled his Toyota with autumn leaves that appear to pour out from every door.
Obon [Puerto Rico] was site-specific art installation by artist Miya Ando for the Fist Foundation in Puerto Rico,consisting of 1000 floating leaves that appeared clear in daylight, but glowed at night.
For sculptor Miya Ando's 2012 installation Obon [Puerto Rico], the artist paid tribute to the island's natural bioluminiscent phenomenon, creating 1,000 "floating leaves" that appeared clear in daylight, but glowed at night.
