San pedro cactus (Echinopsis pachanoi)
Description
Echinopsis pachanoi is native to Ecuador and Peru. Its stems are light to dark green, sometimes glaucous, with a diameter of 6?15 cm (2.4?5.9 in) and usually 6?8 ribs. The whitish areoles may produce up to seven yellow to brown spines, each up to 2 cm (0.8 in) long; the plant is sometimes spineless. The areoles are spaced evenly along the ribs, approximately 2 cm (0.8 in) apart. Echinopsis pachanoi is normally 3?6 m (10?20 ft) tall and has multiple branches, usually extending from the base.The tallest recorded specimen was 12.2 metres (40 ft) tall.[3] White flowers are produced at the end of the stems; they open at night. The flowers are large, around 19?24 cm (7.5?9.4 in) long with a diameter of up to 20 cm (7.9 in). There are black hairs along the length of the tube leading to the flower. Oblong dark green fruits are produced after fertilization, about 3 cm (1.2 in) across and 5?6 cm (2.0?2.4 in) long.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Caryophyllales
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Family: Cactaceae
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Genus: Echinopsis
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