Download Cebollín (Asphodelus fistulosus)

Cebollín (Asphodelus fistulosus)
N omb res comu n es: Gamoncillo (Español)
Si n ón i mos: Anthericum unilineatum, Glyphosperma palmeri
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Description 1,2
Plants annuals or short-lived perennials; root crowns thickened with many fibrous roots. Stems
branched or unbranched, 20–70 cm. Leaves 5–35 cm × 2–4 mm; blade cylindrical or slightly flattened
adaxially, hollow, glabrous except on margins. Inflorescences simple racemes to open panicles with
ascending branches, 15–70 cm; bracts white, 4–7 mm. Flowers diurnal, closing in evening and during
cloudy weather; tepals white to pale pink, oblong, obtuse, 5–12 × 2–3 mm, vein dark pink or brown;
longest stamens equaling style. Capsules 5–7 mm, transversely wrinkled. Seeds 3–4 mm, rugose. 2n =
28, 56.
Range description 3,4
Asphodelus fistulosus is native to southern Europe, Mediterranean Africa, and Western Asia, and is
naturalized across North and South America, Australia, New Zealand, tropical Asia and the British Isles.
In the United States A. fistulosus, commonly known as Onionweed, occurs in California, Arizon, New
Mexico and Texas.
Habitat and ecology 3,4
Hab i tat an d Ecol ogy
This species is an annual or perennial herb that grows in dry, sandy and rocky places. The plant prefers
light (sandy) and medium (loamy) soils, requires well-drained soil and can grow in nutritionally poor
soil. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland)
or no shade. The scented flowers are hermaphrodite (have both male and female organs) and are
pollinated by insects. It is a weed of pastures, roadsides, waste places and uncultivated ground.
Infestation may significantly reduce the carrying capacity of pasture, as it is not eaten by livestock. This
species can be controlled by cultivation; it does not grow well on land that is regularly worked. It has
been listed as a noxious weed in Australia.
Systems
Terrestrial
Flowering/fruiting 1,2
Flowering late winter--spring.
Iucn red list assessment 3,4
R ed Li st Category
LC
Least Concern
R ed Li st Cri teri a
Versi on
3.1
Year Assessed
2013
Assessor/s
Contu, S.
R evi ewer/s
Scott, J.A.
Con tri b u tor/s
Ju sti fi cati on
Asphodelus fistulosus is rated as Least Concern. It is a widespread herb that is common, and in some
areas weedy in its natural range and has a large extent of occurrence. The population is currently
believed to be stable and no real threats are known at present.
National nature serve conservation status 5
United States
R ou n d ed N ati on al Statu s R an k : NNA - Not Applicable
Population 3,4
Pop u l ati on
This species is common in its natural range. It produces large quantities of seed that leads to the rapid
establishment of large populations.
Pop u l ati on Tren d
Stable
Threats 3,4
M aj or Th reats
There are no known threats for the species.
Conservation actions 3,4
Con servati on Acti on s
There are no known conservation measures specifically for this species, however, it does occur in some
protected areas.
Comments 1,2
Asphodelus fistulosus has become a noxious weed in California and in other places with Mediterranean
climates worldwide.
References
1. Flora of North America Vol. 26: 217, 218, 219 in eFloras.org, Missouri Botanical Garden. Accessed
Nov 12, 2008.
2. © Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA, some rights
reserved
3. Contu, S. 2013. Asphodelus fistulosus. In: IUCN 2014 . IUCN Red List of Threatened Species.
Version 2014.1 . <www.iucnredlist.org>
4. © International Union for Conservation of Nature and Natural Resources, some rights reserved
5. © NatureServe, some rights reserved