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Genus Ipomoea in Family Convolvulaceae

In botanical taxonomy, a genus (plural genera) is a rank used to group closely related species within a family. In the hierarchy, genus sits below family and above species.

Genera are defined by shared morphological, anatomical, and genetic characteristics (for example, features of flowers, fruits, seeds, or leaves) that indicate a close evolutionary relationship among the species they contain.

Each genus can include one or more species. Examples include Rosa (roses) and Solanum (nightshades, including tomato and eggplant).

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Genus Description

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Ipomoea,Type species Ipomoea batatas by lectotype,belongs to Convolvulaceae, 2015;Wilkin, 2005).habitsclimbing, herbaceous to woody vines;lvs are often spiral, sometimes orbiculate or palmately lobed, with entire margins and conspicuous inflorescences typically pedunculate helicoid cymes (Escobar et al., 2022).blossoms are funnel-shaped, five-lobed,with white, pink or lavender corollas and a prominent central vein;stamens are five, attached at the base of the corolla;ovary is superior,2-carpellate with axile placentation (Austin & Huáman, 1996;Simmons et al., 2008).fr. Ipomoea,about 600 species, widespread across tropical and subtropical regions worldwide, especially in the Americas, tropical Africa, and Asia (POWO, 2024;WFO, 2024).centers of diversity include Mexico and Central South America; many endemic species occur in the Andes, the Atlantic Forest of Brazil, and island chains such as Hawaii and the Philippines;elevations range from sea level to more than 2000 m (D β-Blanchard et al., 2019). phyllody,et al., 2022),a., monographed the Americas in a major revision (genus underwent significant re-circumscription and synonymization, where many former subgenera/sections were merged; it is now widely treated as monophyletic, supported by molecular phylogenies (D β-Blanchard et al., 2019;Simmons et al.,2008). Somatic indeed documented pollination by bees, moths or beetles in different species;dispersal often anemochorous via wind-dispersed seeds, with a base chromosome number of x=15; development of stolons or tubers is notable (Austin & Huáman, 1996). Ipomoea batatas (sweet potato) and Ipomoea aquatica (water spinach) are important crops;numerous other species are cultivated ornamentals (morning glories) and some are invasive weeds in disturbed habitats (Fang & Staples, 1995;RAPM, 2024). conservation varies widely, with many rare and threatened taxa (Foster, 2001;GBIF, 2024); as climate and land-use pressures intensify, some species may face increased extinction risk in coming decades.

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