The stem of the sunflower must be strong to grow over 10 feet tall and to support the massive seed head without breaking. It must be strong enough to resist wind from that height. It turns woody as it grows for extra strength.
A cactus has a soft stem with sharp spikes.
rose,sunflower,Not xre gumamela....?
soft in general, easily broken by strong winds
The stem of terrestrial plants are strong to support themselves as they grow upward. Without this physical characteristic, they would simply fall over after growing a few inches.
A sunflower is the largest type of plant in the world without a wooden stem.
Yes its the stem of a sunflower
seeds,stem,petals
a sun with a stem.
Sunflower is commercially cultivated by its single seeded fruits.
Helios is Greek for Sun and anthus is Greek for flower. this is the stem for Helianthus, the sunflower.
hibiscus have strong stem
allmanda have strong stem
If you put a cut stem in the soil, it is unlikely the sunflower would grow. It would need to grow from seed.
The function of the stem in many plants is to help transport nutrients from the roots to the rest of the plant. For sunflowers, this is especially important due to the length those nutrients have to go.
sunflower,rose,jasmine.........................etc.
Weak
A cactus has a soft stem with sharp spikes.