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The bright green leaves are opposite, ovate, pointed and without teeth or hairs. The yellow flowers are about 8mm across, borne singly on long stalks in the axil of each leaf. They have five very narrow sepals, five pointed petals and five stamens. The ovary is superior, forming a capsule. [2]: 114 [3]
Impatiens noli-tangere (touch-me-not balsam; Latin impatiēns 'impatient' or 'not allowing', and nōlī tangere 'do not touch': literally 'be unwilling to touch') is an annual herbaceous plant in the family Balsaminaceae found in damp places in Europe, Asia and North America.
Ingesting large quantities of either may produce symptoms including burning of the mouth and throat, swelling of the lips and tongue, vomiting, headaches, and dizziness; merely handling the fresh leaves can burn the skin. [201] Taxus baccata: English yew, common yew, graveyard tree Taxaceae
Lysimachia species often have yellow flowers, and grow vigorously. They tend to grow in damp conditions. They tend to grow in damp conditions. Several species within Lysimachia are commonly called loosestrife , although this name is also used for plants within the genus Lythrum .
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 ...
Allamanda cathartica, commonly called golden trumpet, [2] common trumpetvine, [2] and yellow allamanda, [2] is a species of flowering plant in the family Apocynaceae. It is native to Brazil . This plant is cited in Flora Brasiliensis by Carl Friedrich Philipp von Martius .
Lysimachia vulgaris, the yellow loosestrife or garden loosestrife, is a species of herbaceous perennial flowering plant in the family Primulaceae. It was transferred to Myrsinoideae based on results of molecular phylogenetic research [ 2 ] [ 3 ] before being merged into the Primulaceae.
It blooms from August to October [6] and produces pungent-smelling, golden-yellow flowers. The flower heads are 6–13 millimetres (1 ⁄ 4 – 1 ⁄ 2 in) long [4] and made up of 5 small, yellow, tubular disk flowers, and occur in umbrella-shaped terminal clusters. [7] [5] The shrub reproduces from seeds and root sprouts. [5]