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Buddleja davidii (spelling variant Buddleia davidii), also called summer lilac, butterfly-bush, or orange eye, is a species of flowering plant in the family Scrophulariaceae, native to Sichuan and Hubei provinces in central China, and also Japan. [1] It is widely used as an ornamental plant, and many named varieties are in cultivation.
Buddleja (/ ˈ b ʌ d l i ə /; orth. var. Buddleia; also historically given as Buddlea) is a genus comprising over 140 [3] species of flowering plants endemic to Asia, Africa, and the Americas. The generic name bestowed by Linnaeus posthumously honoured the Reverend Adam Buddle (1662–1715), an English botanist and rector , at the suggestion ...
Buddleja davidii var. nanhoensis is endemic to Gansu, China, and introduced by Farrer in 1914. [ 1 ] [ 2 ] The taxonomy of the plant and the other five davidii varieties has been challenged in recent years.
Buddleja davidii var. veitchiana was collected in Hubei and introduced to cultivation by E. H. Wilson; it was named for the British nurseryman and horticulturist James Veitch by Rehder. [ 1 ] [ 2 ] The taxonomy of the plant and the other five davidii varieties has been challenged in recent years.
Buddleja davidii var. wilsonii is one of the more readily identifiable varieties by virtue of its lax, somewhat pendulous, delicate panicles, < 60 cm long, of lilac-pink flowers; [4] the flowers have reflexed margins to the lobes of the corollas; the leaves are narrower than the type.
Buddleja davidii var. superba is endemic to the Yunnan province of western China. [1] The taxonomy of the plant and the other five davidii varieties has been challenged in recent years. Leeuwenberg sank them all as synonyms, considering them to be within the natural variation of a species, [ 2 ] a treatment adopted in the Flora of China ...
Buddleja davidii var. alba is endemic to central and western China. [1] The plant has also been treated as a form, and a cultivar ('Alba'). [2] However, Anthonius Leeuwenberg sank var. alba and the other five varieties of davidii as synonyms, [3] considering them to be within the natural variation of a species, a treatment also adopted in the Flora of China published in 1996.
The taxonomy of the plant and the other five davidii varieties has been challenged in recent years. Leeuwenberg sank them all as synonyms, considering them to be within the natural variation of a species, and thus unworthy of varietal recognition, [ 3 ] a treatment adopted in the Flora of China published in 1996.