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Acmella oleracea is a species of flowering herb in the family Asteraceae.Common names include toothache plant, Szechuan buttons, [2] paracress, jambu, [3] buzz buttons, [4] tingflowers and electric daisy. [5]
The petals of each flower are fused together to form a trumpet shape, 2–4 cm (0.8–1.6 in) across at the mouth, which has five to eight lobes. Inside the flower there are five to eight stamens . After fertilization , a globular white fruit (a drupe ) forms, 8–12 millimetres (0.3–0.5 in) across, containing from one to four seeds.
The flowers are bright yellow, 7–10 cm (2.8–3.9 in) across, with the typical iris form. The fruit is a dry capsule 4–7 cm (1.6–2.8 in) long, containing numerous pale brown seeds. I. pseudacorus grows best in very wet conditions, and is common in wetlands, where it tolerates submersion, low pH , and anoxic soils.
Cleomella lutea is a species of flowering plant known by the common names yellow bee plant and yellow spiderflower. This annual wildflower is native to the western United States where it is most common in desert scrub and plateau habitats. It is a sprawling plant often exceeding 1 metre (3 feet) in height.
Deep yellow flowers appear soon after the leaves, with six tepals around 3–3.5 cm long, [7] six yellow stamens and a style with a single stigma. Smaller forms with narrower leaves (up to 5 mm wide) and narrower tepals (3–12 mm rather than 10–20 mm) have been separated off under various names (e.g. S. lutea var. graeca , S. sicula ).
Tecoma stans is a semi-evergreen shrub or small tree, growing up to 10 m (30 ft) tall. [1] It features opposite odd-pinnate green leaves, with 3 to 13 serrate, 8- to 10-cm-long leaflets. The leaflets, glabrous on both sides, have a lanceolate blade 2–10 cm long and 1–4 cm wide, with a long acuminate apex and a wedge-shaped base.
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.
Fritillaria pudica, the yellow fritillary, is a small perennial plant [3] found in the sagebrush country in the western United States (Idaho, Montana, Oregon, Washington, Wyoming, very northern California, Nevada, northwestern Colorado, North Dakota and Utah) and Canada (Alberta and British Columbia). [4] [5] It is a member of the lily family ...