Black goosefoot is the whole herb of the umbelliferae plant Lathyrus sativus. It is harvested in spring and summer and dried. What is the plant morphology and habitat distribution of black goosefoot?
[Source] The whole herb of the umbelliferae plant Lathyrus sativus.
[Plant morphology] Lathyrus sativus, also known as straight-spine cow parsley.
Perennial herb, hairless, 8-50 cm tall. Short black rhizome. The stem is upright, with 1-6 branches in the upper part.
Basal leaves are round or heart-shaped pentagon, 2-7 cm long, 3-lobed, with wedge-shaped or rhomboid-wedge-shaped middle lobes, obliquely wedge-shaped side lobes, 2-3 shallow lobes at the apex of all lobes, irregular serrations or short prickly teeth on the edge;
Petiole is 5-26 cm long; stem leaves are similar to basal leaves, but with shorter petioles; leaves below the inflorescence are only 3 deeply lobed.
Umbellate inflorescence, with 2-3 branches, terminal; involucre 3-5, narrow elliptic or narrow lanceolate; umbel diameter 3-8; bracteoles about 5, linear-lanceolate;
Flower stalks 6-7; flowers white, light blue or light purple-red; female flowers 1 in the center, without stalk, calyx 5, elliptic lanceolate during flowering, awn-like during fruiting, petals 5, ovary inferior, 2 rooms, 2 stigmas; male flowers several, surrounding female flowers, with stalks.
Bispherical fruit, oval, 2.5-3 mm long, with obvious edges; short and straight prickles on the skin, without hooks at the tip, sometimes the base is connected into a thin film.
[Habitat distribution] It grows under mountain slope forests and by streams. It is distributed in northwest, east, central, south, southwest and other parts of China.
[Collection] Harvest in spring and summer and dry.
[Properties and flavors] "Bitter, warm." - "Sichuan Common Chinese Medicinal Herbs"
[Functions and indications] "Clears heat, detoxifies. Used for incomplete heat toxins after measles, ear heat and itching, bruises and injuries." - "Sichuan Common Chinese Medicinal Herbs"
[Usage and dosage] Oral: Decoction, 9-15 grams. External use: Mashed and applied.
