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Allium serratum
Scientific Name: Allium serratum
Family: Liliaceae
Category: Monocot
Growth:
Duration:
Other Names:
Allium dichlamydeum: The Coastal Onion
Allium dichlamydeum, also known as the coastal onion, is a fascinating species of wild onion. The name is sometimes used as a synonym for Allium serratum var. dichlamydeum.
Taxonomy and Nomenclature
- Scientific Name: Allium dichlamydeum (Greene) M.E. Jones
- Common Name: Coastal Onion
- Family: Alliaceae (sometimes also listed under Amaryllidaceae in older references)
- Kingdom: Plantae
- Taxonomic Rank: Species
Allium serratum S. Watson is regarded as a synonym of Allium amplectens Torr.
Synonyms include: Allium acuminatum var. gracile, Allium attenuifolium, Allium var. monospermum, Allium monospermum, Allium occidentale, and Allium serratum.
Distribution and Habitat
- Allium serra is native to California and is considered endemic to the region.
- Allium serratum was originally described from collections made in California.
- It grows alongside other native grasses and forbs.
Morphological Characteristics
- Allium serra is a perennial herb that grows from a bulb.
- Allium serratum features tight heads of tubular flowers, which are typically a dark rose-pink color.
- The flowers of Allium serratum change to a deep purplish-pink as they fade.
- Allium serratum has a flower cluster that is more compact than some other Allium species.
Genetic Information
- Cytological studies have been conducted on Allium serratum in relation to species formation within the Allium genus.
- Triploid and tetraploid forms are known to exist, particularly in relation to Allium amplectens.
Other Names
- Pom-Pom Onion
- Serrated Onion
Further Information
- RHS (Royal Horticultural Society) offers help and information on Allium serratum.
- Discover Life provides information about the biology, natural history, ecology, identification, and distribution of Allium serratum.
- The Plant List, IPNI (International Plant Names Index), Australian Plant Name Index, and NYBG (New York Botanical Garden) Virtual Herbarium are valuable resources for searching for information on Allium serratum and its varieties.
- Encyclopedia of Life also lists information for this plant.