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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 ]
Asclepias fascicularis is a flowering perennial herb sending up many thin, erect stems and bearing distinctive long pointed leaves which are very narrow and often whorled about the stem, giving the plant its common names. [2] [3] It blooms in clusters of lavender, pale pink, purple, white, to greenish shades of flowers. [3]
Cephalanthera longifolia, the narrow-leaved helleborine, [3] sword-leaved helleborine or long-leaved helleborine, is a rhizomatous herbaceous perennial plant in the family Orchidaceae. It is native to light woodland, and widespread across Europe , Asia and North Africa from Ireland and Morocco to China .
After the 1940s, this plant has exploded onto the Southeastern scene as a serious garden weed. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 ...
Echinodorus cordifolius, the spade-leaf sword or creeping burhead, is a species of aquatic plants in the Alismatales. It is native to Mexico , the West Indies , Central America , South America (as far south as Paraguay ) and the southeastern United States ( Texas to Florida and as far north as Iowa ).
Propagation is by division or by adventitious new plants developing on submerged flowering stems. The larger species make magnificent specimen plants for the larger aquarium, though they may form aerial leaves in good conditions. If the inflorescence forms submersed, small plantlets will form instead of flowers. If grown emersed and kept humid ...
Polystichum imbricans is a species of fern known by the common names narrowleaf swordfern [1] and imbricate sword fern. It is native to western North America from British Columbia and Idaho to southern California , where it grows in rocky soil and cracks in rock outcrops in coastal and inland mountain ranges and foothills.
Flaveria linearis, known as narrowleaf yellowtops, [2] is a North American plant species of Flaveria within the family Asteraceae. It is native to Florida, Cuba, Bahamas, and the Yucatán Peninsula of Mexico. [3] [4] Flaveria linearis is a perennial herb up to 80 cm tall. Leaves are long and narrow, up to 13 cm (5 in) long.