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Drosera adelae : ウィキペディア英語版 | Drosera adelae
''Drosera adelae'', commonly known as the lance-leaved sundew, is a carnivorous plant in the genus ''Drosera'' that is endemic to Queensland, Australia. ==Description==
''Drosera adelae'' is a tropical perennial plant that produces long, sword-shaped leaves in a basal rosette. The leaves, like most other ''Drosera'' species, are covered with sticky, stalked tentacles that secrete the prey-capturing glue.〔McPherson, Stewart. 2008. ''Glistening Carnivores''. Poole, Dorset, England: Redfern Natural History Productions. pp. 212-214.〕 Tentacle movement in this species, unlike other ''Drosera'', is minimal and slow to the point of being barely noticeable.〔McPherson, Stewart. 2008. ''Glistening Carnivores''. Poole, Dorset, England: Redfern Natural History Productions. p. 35.〕 The leaves are narrowly lanceolate and are typically long and 7-10 mm wide. The lower surface of the leaves are glabrous and petioles are either very short or absent. Inflorescences are one-sided raceme and up to long, bearing many red, reddish orange, or cream coloured flowers from June to November. The five petals produce a perfect pentagon shape.〔Lowrie, Allen. 1998. (''Carnivorous Plants of Australia: Volume 3'' ). Nedlands, Western Australia: University of Western Australia Press. pp. 132-135.〕 ''Drosera adelae'' reproduces rapidly by asexual means, generating new plantlets from the spreading roots, which means this species is often found in large clumps.〔 This species has a diploid chromosome number of 2n = 30, though a cultivated cytotype of the species had been reported as having 2n = 28, which botanist Fernando Rivadavia suggested may represent different forms of the species.〔Rivadavia, Fernando. 2005. (New chromosome numbers for ''Drosera'' L. (Droseraceae). ) ''Carnivorous Plant Newsletter'', 34(3): 85-91.〕
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