Lilium sempervivoideum
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Lilium sempervivoideum is a plant species from the genus of lilies ( Lilium ) in the Asian section .
description
Lilium sempervivoideum is perennial and 15 to 45 centimeters high. The approximately spherical onion reaches a diameter of 2.3 to 3 centimeters and is made up of numerous lanceolate scales that are 2.5 to 3 centimeters long and 5 to 10 millimeters wide.
The sixteen to thirty linear foliage leaves are distributed along the hairless, papillary stem, are 2.5 to 5.5 inches long and 2 to 4 millimeters wide.
The plant blooms in July with a terminal, bell-shaped flower. The six bracts ( tepals ) are white, finely spotted purple and 3.5 to 4 inches long. The outer tepals are lanceolate and 5 to 10 millimeters wide, the inner elliptical and 1.2 to 1.5 centimeters wide.
distribution
Lilium sempervivoideum is endemic to Sichuan and Yunnan (China) at altitudes between 2400 and 2600 m. There it grows on hillside meadows between rocks.
Systematics
Lilium sempervivoideum was first collected in 1911 by Edouard-Ernest Maire and first described in 1915 by Joseph-Henri Léveillé . The basis for the (often criticized) epithet was the visual impression of the dried onion, which reminded Léveillé of the habitus of a houseleek .
In 1922, Ernest Wilson decided to forego the planned first description of Lilium amoenum when he saw the type specimen of Lilium sempervivoideum in Edinburgh because he considered them to be identical and treated Lilium amoenum as synonymous. Joseph Robert Sealy did not share this view and in 1949 provided the formal first description for Lilium amoenum . In 1984 Sung Yun Liang took up the summary again and placed Lilium amoenum as a subspecies to Lilium sempervivoideum ; however, due to a formal error, its description is invalid. Nevertheless, the close relationship between the two species is obvious.
1986 McKean classified Lilium sempervivoideum as a subspecies of Lilium bakerianum ; however, this view did not prevail.
The Lilium pinifolium , first described by Long Jin Peng in 1985 , was placed in 1994 by S. Yun Liang as a subspecies of Lilium sempervivoideum ; however, the editors of the Flora of China did not follow his view.
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literature
- Liang Songyun, Minoru N. Tamura: Lilium sempervivoideum . In: Wu Zhengyi, Peter H. Raven, Hong Deyuan (eds.): Flora of China . tape 24 . Missouri Botanical Garden Press / Science Press, St. Louis / Beijing 2000, ISBN 978-0-915279-83-8 , pp. 141 ( online [accessed February 3, 2009]).
- Mark Wood: Lily Species - Notes and Images , CD-ROM, July 13, 2006 version
Web links
- Markus Hohenegger: Lilium sempervivoideum. In: The Genus Lilium. Retrieved February 3, 2010 .