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Helanthium tenellum, the pygmy chain sword, is a species of plants in the Alismataceae. It is native to the eastern United States (from Texas to Florida , north to Michigan and Massachusetts ), southern Mexico ( Chiapas , Veracruz ), West Indies (Cuba, Jamaica, Hispaniola ), Central America, South America (from Guyana to Argentina) [ 1 ] [ 2 ]
At senescence, which often occurs when the plant reaches a diameter of approximately 0.5 metres (1.6 ft), the plant produces a tall stalk in just a few weeks of maroon ray flowers which resemble the sunflower. Flowering usually occurs from July through October. [3] The leaves become limp and dry as the monocarpic plant then goes to seed and dies.
Argyroxiphium is a small genus of plants in the family Asteraceae. [2] [3] Its members are known by the common names silversword or greensword due to their long, narrow leaves and the silvery hairs on some species.
The Mauna Kea silversword is an erect, single-stemmed and monocarpic or rarely branched and polycarpic basally woody herb, producing a globe-shaped cluster of thick, spirally arranged, sword-shaped silvery-green floccose-sericeous, linear-ligulate to linear-lanceolate leaves growing in a rosette.
The Mauna Loa silversword can reach up to 1.8 meters (5.91 feet) in height and produce multiple flowering branches. Each rosette, or branch of the plant, can grow for 20 to 30 years and may reach 40–70 cm (15.7–31.5 inches) before flowering and producing dry fruit. Each fruit contains a single seed.
The Amazon sword plants are one of the most popular aquarium plants for their attractive form and general hardiness. A submerged culture system was developed for rapid micropropagation of this commercially important aquarium plant, ‘Amazon sword’ ( Echinodorus ‘Indian Red’).
Echinodorus palifolius, also known as Mexican sword plant is an emerged aquatic plant in the Alismataceae. It has a rather odd, discontinuous range, native to Brazil (Minas Gerais and Bahia), Peru, Uruguay, and Mexico . [1] [2] [3] It has been introduced in many countries including Bangladesh and India. [citation needed]
Dracaena trifasciata is a species of flowering plant in the family Asparagaceae, native to tropical West Africa from Nigeria east to the Congo. It is most commonly known as the snake plant, Saint George's sword, mother-in-law's tongue, and viper's bowstring hemp, among other names. [2] Until 2017, it was known under the synonym Sansevieria ...