Once upon a time, in a serene garden, a lonely Echinodorus plant stood tall and proud. Its vibrant green leaves swayed in the gentle breeze, attracting the curious gaze of passersby. Little did they know that this humble plant played a vital role in a secret mission. Hidden beneath its roots lay a treasure map, leading to a hidden oasis. Filled with determination, Echinodorus embarked on a quest, facing perilous challenges and overcoming them with its resilience. Eventually, it discovered the oasis, unlocking its mystical powers. This extraordinary journey of the Echinodorus plant reminds us that even the smallest beings can accomplish great feats if they believe in themselves and remain steadfast.
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Short Description
Echinodorus, commonly known as burhead or Amazon sword,[citation needed] is a genus of plants in the family Alismataceae, native to the Western Hemisphere from the central United States to Argentina. Its scientific name is derived from Ancient Greek echius – “rough husk” – and doros – “leathern bottle” – alluding to ovaries, which in some species are armed with persistent styles, forming prickly head of fruit. Some of the species are commonly cultivated in artificial aquatic habitats.
Description
The plants are annual or perennial, growing emersed, floating-leaved, or seasonally submersed, leaves glabrous to stellate-pubescent; rhizomes present or absent; stolons absent; corms absent; tubers absent. Roots not septate. Leaves sessile or petiolate; petioles triangular, rarely terete; blade with translucent markings as dots or lines present or absent, linear to lanceolate to ovate, base attenuate to cordate, margins entire or undulating, apex obtuse to acute. Inflorescences racemes or panicles, rarely umbels, of 1–18 whorls, erect or decumbent, emersed; bracts coarse, apex obtuse to acute, surfaces smooth or papillose along veins, apex obtuse to acute. Flowers bisexual, subsessile to pedicellate; bracts subtending pedicels, subulate to lanceolate, shorter than to longer than pedicels, apex obtuse to acute; pedicels ascending to recurved; receptacle convex; sepals recurved to spreading, herbaceous to leathery, sculpturing absent; petals white, entire; stamens 9–25; filaments linear, glabrous; pistils 15–250 or more, spirally arranged on convex receptacle, forming head, distinct; ovules 1; style terminal or lateral. Fruits plump, often longitudinally ribbed, sometimes flattened, rarely abaxially keeled, abaxial wings absent, lateral wings absent, glands often present.
Cultivation
Echinodorus are by nature marsh and bog plants that can grow submersed. Many species are grown in aquariums. They prefer good light and grow best in a deep, nutrient-rich substrate. Most will grow in variable water conditions, though the majority need tropical or sub-tropical temperature ranges. 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, flowers and seeds will normally readily form. The seeds can be grown in damp sand in warm, damp conditions. Additional CO2 often helps in strong growth.
Many species are popular in the aquarium or pond. 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’).
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