The difference between daffodils and orchids
First, daffodils
1. It belongs to Amaryllidaceae, is a variety, perennial. Its flowers are extracted from the flower arrow, and the flower arrow is extracted from the bulb. Each of its bulbs can grow about 1-2 flower arrows, and many even grow 8-11, and the inflorescence is umbrella-shaped.
2. Its flower has about 6 petals, the bottom of the petals is yellow, and there is a layer of protection on the outside of the stamens. Its bulb is generally egg-shaped, there is a brown membrane outside, the leaves are relatively narrow and long, and flowers usually grow in spring.
3. There is a lot of juice in its bulb, which is toxic and contains a lot of alkaloids, which can be used for analgesia. If the animal eats it, it will cause diarrhea.
2. Orchids
1. It has a large number of leaves and many colors of flowers. It generally has a false bulb, the shape is generally oval, the flower pavilion is generally lateral, will naturally fall, and its bud generally does not fall during the period of growing flowers.
2. Its flower shape is relatively large, the sepals and petals do not grow together, the core column is relatively long, a little bent forward, and there are winglike objects on both sides. Its base sometimes grows with the core, which is 3-6 inches long, and the folds on the labial disc generally extend from the base to the middle lobe.
III. Differences
1. The root of the former is thin and fleshy. The latter is also a fleshy root, but as thick as chopsticks.
2. The former grows from the center of the bulb, and its flower stem is hollow, the stem is fleshy, and the flower is solid. The flower stem of the latter grows from the side of the bulb.
3. The bulb of the former is relatively soft and tender, with obvious layering, which can be peeled off layer by layer, and finally peel out the flower core. The latter bulb is relatively hard, is dark green, has a very thick horny, and can not peel off the core.
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What if the canna leaves turn yellow?
There are several possible reasons for the yellowing of canna leaves: if it is caused by exposure, transplant it to a cool place; if it is caused by overwatering, put it in a ventilated place; if the temperature is too high, set it below 40 ℃; if it is caused by heavy fertilizer, rinse the soil.
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How to fertilize Dendrobium
It is best to fertilize it at temperatures between 15 and 30 ° C, topdressing nitrogen during growth and phosphorus and potassium during fruiting. Solid fertilizers should be buried away from the roots, while water-soluble fertilizers can be applied together with watering. Don't apply too much at one time, but apply thin fertilizer frequently.
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