Shepherd's purse blooms in March and April.
Let's take a look at the relevant knowledge:
The growth cycle of shepherd's purse is generally one year, and in some warm places it is once every two years. It usually germinates and spreads its leaves around March, blooms in March and April, matures in June and July, and dries up after 10. Note that the appearance of shepherd's purse is very different at the stage of leaf development and flowering and fruiting.
Key points for identification of shepherd's purse:
1, Description: It is a low herb with a height of 10-50 cm. Its stem is upright, not forked or forked from the lower part, and the stem is hairy.
2. Leaves: The basal leaves are arranged in a rosette shape, spreading flat on the ground, and the leaves are pinnately divided, violin-shaped or irregular, and occasionally the leaves do not divide. Usually the top lobe is particularly large, 2-5 cm long, and the petiole has narrow wings; The leaves on the stem are lanceolate, alternate, 1-3 cm long, bald at the top, arrow-shaped at the base, holding the stem, and the leaf margin is sparsely serrated; The leaves are hairy on both sides.
3. Flowers: The raceme stretches after flowering, up to 20 cm long; Flowers are small and white; Sepals oval, nearly erect, long 1-2 mm, petals oval, short claws, flowering in March-April.
4. Fruit: The short pod is inverted triangle or inverted triangle, 5-8 mm long, hairless, flat, slightly concave at the top, with obvious reticulation on the surface, cracking at maturity, bright brown seeds, about 65438 0 mm long, and the fruit matures in June-July.