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Canna (foliage group) 'Auguste Ferrier'. The plants are large tropical and subtropical herbaceous perennials with a rhizomatous rootstock. The broad, flat, alternate leaves that are such a feature of these plants, grow out of a stem in a long, narrow roll and then unfurl. The leaves are typically solid green, but some cultivars have glaucose ...
Datura stramonium is an erect, annual, freely branching herb that forms a bush up to 60 to 150 cm (2 to 5 ft) tall. [10][11][12] The root is long, thick, fibrous, and white. The stem is stout, erect, leafy, smooth, and pale yellow-green to reddish purple in color. The stem forks off repeatedly into branches and each fork forms a leaf and a ...
Phytoplasmas are obligate intracellular parasites of plant phloem tissue and of the insect vectors that are involved in their plant-to-plant transmission. Phytoplasmas were discovered in 1967 by Japanese scientists who termed them mycoplasma -like organisms. [ 3 ] Since their discovery, phytoplasmas have resisted all attempts at in vitro ...
Passiflora lutea, commonly known as yellow passionflower, [1] is a flowering perennial vine in the family Passifloraceae, native to the central and eastern United States.The vine has three-lobed leaves and small, yellowish-green, fringed flowers that appear in the summer, followed by green fruit that turn almost black at maturity.
Leucocoprinus birnbaumii, commonly known as the flower pot parasol, yellow parasol, [2] flowerpot parasol, or plantpot dapperling, is a species of gilled mushroom in the family Agaricaceae. It is common in the tropics and subtropics. However, in temperate regions, it frequently occurs in greenhouses and flowerpots, hence its common names of ...
The leaves are attached to thick, long stems, and when crushed, release an odor. [3] The plant's flowers are yellow and grow up to an inch in diameter, with five petals attached at the base. Flowers grow on stalks and can either be found in clusters or individually where the stalk meets the leaf stem. [3]
Phlyctema padi (P. Karst.) Petr. (1920) [1919] Cherry leaf spot (Blumeriella jaapii) is a fungal disease which infects cherries and plums. Sweet, sour, and ornamental cherries are susceptible to the disease, being most prevalent in sour cherries. The variety of sour cherries that is the most susceptible are the English morello cherries.
The flowers are yellow, with four petals, growing in large terminal panicles 20–40 cm (8–16 in) long. [10] The fruit is a three-part inflated bladderlike pod, 3–6 cm long and 2–4 cm broad, that is green, then ripening from orange to pink in autumn. It contains several dark brown to black seeds 5–8 mm diameter. [5]