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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 ...
All parts of Syngonium podophyllum are poisonous and cause severe mouth pain if eaten. [21] It is not unusual to find these growing in Sub-tropical Florida landscapes, where homeowners and Gardeners need to be aware of the severe skin burning sensations caused by the plants sap containing oxalic acid and the eye damage potential from raphides. [22]
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.
The flowers are white, yellow or red, 2–6 cm (1–2 in) diameter with 6–9 petals, and mature into a green, yellow or red fleshy fruit 2–5 cm (1–2 in) long. [8] All the parts of the plant are poisonous, including the green fruit, but once the fruit has turned yellow, it can be safely eaten. [9] The ripe fruit does not produce toxicity. [10]
Close-up of flower. Common sneezeweed is a perennial herb up to 130 cm (51 + 1 ⁄ 3 in; 4 + 1 ⁄ 3 ft) tall. In late summer and fall, one plant can produce as many as 100 yellow flower heads in a branching array. Each head has yellow 11–21 ray florets surrounding sometimes as many as 800 yellow disc florets.
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 ...
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.
Cypripedium parviflorum, commonly known as yellow lady's slipper [4] or moccasin flower, [5] is a lady's slipper orchid native to North America. [3] It is widespread, ranging from Alaska south to Arizona and Georgia. [6] It grows in fens, wetlands, shorelines, and damp woodlands. [7]