The difference between long-leaf sunflower and soft-leaf sunflower
First, the difference between trees
The long-leaf sunflower tree can be up to 15 meters high and its trunk is stout and cylindrical.
Soft leaf thorn sunflower stem tufted, about 1 to 3 meters high, stem diameter about 10 cm, with persistent triangular petiole base.
Second, leaf difference
Long-leaf sunflower petiole is short, the base is thick, yellowish brown, pinnately compound leaves 5 to 6 meters long, arched.
Soft-leaf sunflower leaves 1 to 1.5 meters long, showing pinnae linear, pinnae are soft, 20 to 30 centimeters long, dark green on both sides, arranged in two rows.
Third, the difference between flowers
The long-leaf sunflower shows a spike, the flowers are small and yellowish brown, the petals are 3, the female flowers are spherical and the calyx is cup-shaped.
Soft-leaf sunflower has inflorescences, up to 20 cm long, flowers with 3 petals, needle-shaped, about 9 mm long, tip acuminate.
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The difference between Shatian pomelo and grapefruit
Leaf difference: Shatian pomelo leaves are thick, dark green, broadly ovate or oval; grapefruit leaves are oval, thick leathery, dark green. Flower differences: Shatian pomelo racemes, white flowers; grapefruit cymose flowers white. Fruit differences: Shatian pomelo fruit ball-shaped, pear-shaped or wide cone-shaped; grapefruit peel is yellow, flesh light red and white.
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The difference between Ramie and flax
Leaf difference: Ramie leaves alternate, herbaceous, oval or broadly ovate, tip of leaves cuspidate; flax leaves alternate, leaves linear or linear lanceolate, leaves involute. Flower difference: Ramie panicle axillary, petals narrowly oval; flax cymose, 5 petals, Obovate, usually blue or blue-purple in color.
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