''Allium senescens'', commonly called aging chive, German garlic, or broadleaf chives,
[ is a ]species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
of flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. They include all forbs (flowering plants without a woody stem), grasses and grass-like plants, a vast majority of ...
in the genus ''Allium
''Allium'' is a genus of monocotyledonous flowering plants that includes hundreds of species, including the cultivated onion, garlic, scallion, shallot, leek, and chives. The generic name ''Allium'' is the Latin word for garlic,Gledhill, ...
'' (which includes all the ornamental and culinary onions and garlic).
Description
A bulb
In botany, a bulb is structurally a short stem with fleshy leaves or leaf basesBell, A.D. 1997. ''Plant form: an illustrated guide to flowering plant morphology''. Oxford University Press, Oxford, U.K. that function as food storage organs du ...
ous herbaceous
Herbaceous plants are vascular plants that have no persistent woody stems above ground. This broad category of plants includes many perennials, and nearly all annuals and biennials.
Definitions of "herb" and "herbaceous"
The fourth edition ...
perennial
A perennial plant or simply perennial is a plant that lives more than two years. The term ('' per-'' + '' -ennial'', "through the years") is often used to differentiate a plant from shorter-lived annuals and biennials. The term is also wide ...
, it produces up to 30 pink flowers in characteristic allium umbels in the mid to late summer and grows in height. The foliage is thin and straplike.
Taxonomy
Two subspecies have been named:[
* ''Allium senescens'' subsp. ''glaucum''
*''Allium senescens'' subsp. ''senescens''
]
Distribution
''Allium senescens'' is native to northern Europe and Asia, from Siberia
Siberia ( ; rus, Сибирь, r=Sibir', p=sʲɪˈbʲirʲ, a=Ru-Сибирь.ogg) is an extensive geographical region, constituting all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has been a part o ...
to Korea
Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republi ...
. It has been introduced and naturalized in some parts of Europe, including the Czech Republic and former Yugoslavia.
Uses
''Allium senescens'' is grown for its ornamental qualities, and as a gene source because of its tertiary genetic relationship to '' A. cepa'' (the common onion).[ In the UK it has received the ]Royal Horticultural Society
The Royal Horticultural Society (RHS), founded in 1804 as the Horticultural Society of London, is the UK's leading gardening charity.
The RHS promotes horticulture through its five gardens at Wisley (Surrey), Hyde Hall (Essex), Harlow Carr (No ...
’s Award of Garden Merit
The Award of Garden Merit (AGM) is a long-established annual award for plants by the British Royal Horticultural Society (RHS). It is based on assessment of the plants' performance under UK growing conditions.
History
The Award of Garden Merit ...
.
References
External links
Rob's plants: Allium senescens
Fine gardening: Allium senescens
*
senescens
Plants described in 1753
Taxa named by Carl Linnaeus
Flora of Siberia
Flora of the Russian Far East
Flora of Central Asia
Flora of China
Flora of Mongolia
Flora of Korea
Garden plants
{{Allium-stub