Plants with weak stems are either creepers, climbers or twinners. Very often these plants have specialized structures like tendrils, climbing roots or hooks to push them up to get more sunlight.
The weak stem climbs onto a support for more sunlight
Due to turgor pressure plant with weak stem stand upright.
As vines
All Vascular plants grow from stems.
Have you trimmed it back lately? Plants become "leggy" when they are allowed to grow too long without being clipped. It may seem counterintuitive, but you should really snap off the long stems about 4 inches from the dirt and allow them to regrow. They will grow back much fuller.
Potato.
Not possible to answer; different plants grow to different sizes and therefore the diameters of the stems differ.
Plants with weak stems will try to climb any support that is firm to hold on to in order to get enough sunlight. The support can be other plants nearby, brick walls or even sticks projection from the ground.
Because of positive geotropism. All plants even the ones with weak stems do this.
Orchids have strong stems.
herbs are very small plants with soft,thin and weak stems.
from roots
All Vascular plants grow from stems.
Money plant trees are Malabar chestnut (Pachira aquatica). They have weak stems. Some gardeners will braid five stems together to make them stronger.
No, not usually compared with most plants like that.
Yes, many seed plants do have roots and stems. However, they do not have them initially, but they do grow them eventually.
Have you trimmed it back lately? Plants become "leggy" when they are allowed to grow too long without being clipped. It may seem counterintuitive, but you should really snap off the long stems about 4 inches from the dirt and allow them to regrow. They will grow back much fuller.
some plants need support to climb upwards because they are have tender stems
Climbers and creepers are plants that have weak stems. They must have support in order to grow erect. They are both often used for decorating, or greening, facades.
yes vascular plants can grow to be quite large because they have roots or stems