Referencing to Wikipedia, this looks more of a kind of Rubiaceae family flower??
Pentas is a genus of the Rubiaceae family of flowering plants. Pentas lanceolata is a particularly popular species. The plants have dark green, lance-shaped, somewhat furry and deeply veined leaves providing a backdrop for prolific clusters of never-ending, five-petaled flowers. These may be red, white, lavender, purple, or shades of pink. Some are two-toned. All are extremely attractive to butterflies, and the red and dark pink varieties delight hummingbirds. Also Pentas is compatible with the dry soil and intense heat of the Floridian sun. Lastly It can withstand full sunlight with little to no care
Rubiaceae is a family of flowering plants, variously called the madder family, bedstraw family or coffeefamily. Other common plants included are gardenia, cinchona (whose bark contains quinine), sweet woodruff,partridgeberry, gambier, ixora, and noni. A number of traditionally accepted families (Dialypetalanthaceae,Henriqueziaceae, Naucleaceae, and Theligonaceae) are now incorporated within the Rubiaceae followingmolecular phylogenetic research by the Angiosperm Phylogeny Group. Currently, there are about 611 generaand more than 13,000 species in Rubiaceae. It is the fifth largest family of flowering plants by number of genera, and the fourth or fifth largest by number of species. Species are concentrated in warmer and tropical climates around the world.
Eutrochium is a genus of herbaceous flowering plants in Asteraceae. They are commonly referred to as Joe-Pye weeds. They are native to Eastern North America and have non-dissected foliage and pigmented flowers. It includes all the purple flowering North American species of the genusEupatorium as traditionally defined.[1] Eupatorium has recently undergone some revision and has been broken up into smaller genera.[2] Eutrochium is the senior synonym ofEupatoriadelphus.[3] Eupatorium in the revised sense (about 42 species of white-flowered plants from the temperate Northern hemisphere) is apparently a close relative of Eutrochium. Another difference between Eutrochium and Eupatorium is that the former has mostly whorled leaves and the latter mostly opposite ones.[4][5] Eupatorium and Eutrochium are both placed in the subtribe Eupatoriinae, but South American plants which have sometimes been placed in that subtribe, such as Stomatanthes, seem to belong elsewhere in the tribe Eupatorieae.[6]
Eutrochium purpureum (Eupatorium purpureum (Linnaeus) E. E. Lamont), Kidney-root[1], Sweetscented Joe-Pie weed, Sweet Joe-Pye weed, or Trumpet weed is a herbaceous perennial plant native to eastern and central North America.[2]
E. Purpureum is a clump forming plant that grows to 1.5 – 2.4 meters (5 – 8 feet) tall and about 1.2 meters (4 ft) wide. Plants are found in full sun to part shade in moisture retentive to wet soils. Stems are upright, thick, round, and purple, with whorls of leaves at each node. As the plant begins to bloom the stems often bend downward under the weight of the flowers. The leaves grow to 30 cm (12 in) long and have a somewhat wrinkled texture. The purplish colored flowers are produced in large loose, convex shaped compound corymbiform arrays. Plants bloom mid to late summer and attract a lot of activity from insects that feed on the nector produced by the flowers. This species hybridizes readily with other species of Eutrochium and where this species and those species overlap in distribution the resulting plants can be difficult to resolve to a specific taxon.[3] There are two varieties that differ in the pubescence of the stems and foliage, but many more have been proposed in the past, thought most authorities now accept that this is a variable species and population variations integrate.
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