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Common names include toothache plant, Szechuan buttons, [2] paracress, jambu, [3] buzz buttons, [4] tingflowers and electric daisy. [5] Its native distribution is unclear, but it is likely derived from a Brazilian Acmella species. [6] A small, erect plant, it grows quickly and bears gold and red inflorescences. It is frost-sensitive but ...
The opening to the flower is hairy. A highly variable plant, taking many forms, E. guttata is a species complex in that there is room to treat some of its forms as different species by some definitions. [9] The plant ranges from 10 to 80 centimetres (4 to 31 + 1 ⁄ 2 in) tall with disproportionately large, 2 to 4 cm long, tubular flowers. The ...
It is variable in appearance. The prostrate or upright stem grows up to 30 centimeters long. The oppositely arranged leaves are mostly oval in shape and may reach 6 centimeters long. The tubular flower is yellow in color, its tube just a few millimeters wide and widening at the lobed mouth. It may be up to 2.6 centimeters long.
An annual plant, yellow rattle grows up to 10–50 centimetres (3.9–19.7 in) tall, with upright stems and opposite, simple leaves. The fruit is a dry capsule, with loose, rattling seeds. The preferred habitat of Rhinanthus minor is dry fields or meadows; it tolerates a wide range of soil types. It flowers in the summer between May and September.
Its yellow and bright flowers have antioxidant properties. [2] In Thailand it is the provincial flower of Nakhon Nayok, Sara Buri, Buri Ram, Suphan Buri and Uthai Thani Provinces. [3] Cochlospermum regium flower with praying mantis, in Laos
Melilotus officinalis can be an annual or biennial plant, and is 120–180 centimetres (4–6 ft) high at maturity. [3] Leaves alternate on the stem and possess three leaflets. Yellow flowers bloom in spring and summer and produce fruit in pods typically containing one seed. Seeds can be viable for up to 30 years.
To harvest, the entire plant is cut down, the leaves are stripped from the plant, and everything is left to dry. When the fruits begin to burst open, the seeds are harvested. For intensive plantations, leaf yields of 1,100 to 1,700 kilograms per hectare (1,000 to 1,500 lb/acre) and seed yields of 780 kg/ha (700 lb/acre) are possible.
Hypericum perforatum, commonly known as St John's wort (sometimes perforate St John's wort or common St John's wort), is a flowering plant in the family Hypericaceae.It is a perennial plant that grows up to 1 metre (3 ft 3 in) tall, with many yellow flowers that have clearly visible black glands around their edges, long stamens (male reproductive organs), and three pistils (female reproductive ...