''Cyclospermum leptophyllum'' (also, ''Ciclospermum l.'') is a species of plant in the family
Apiaceae
Apiaceae or Umbelliferae is a family of mostly aromatic flowering plants named after the type genus ''Apium'' and commonly known as the celery, carrot or parsley family, or simply as umbellifers. It is the 16th-largest family of flowering plants ...
known by the common names marsh parsley,
slender celery
and fir-leaved celery.
[ This is a plant found worldwide at warm temperate to tropical latitudes and is considered a ]noxious weed
A noxious weed, harmful weed or injurious weed is a weed that has been designated by an agricultural or other governing authority as a plant that is injurious to agricultural or horticultural crops, natural habitats or ecosystems, or humans or liv ...
in many areas. It is a taproot
A taproot is a large, central, and dominant root from which other roots sprout laterally. Typically a taproot is somewhat straight and very thick, is tapering in shape, and grows directly downward. In some plants, such as the carrot, the taproo ...
ed branching herb reaching just over half a meter in height at maximum. It has threadlike green leaves a few centimeters long and small umbel
In botany, an umbel is an inflorescence that consists of a number of short flower stalks (called pedicels) that spread from a common point, somewhat like umbrella ribs. The word was coined in botanical usage in the 1590s, from Latin ''umbella'' "p ...
s of spherical flowers.
The 1889 book 'The Useful Native Plants of Australia’ records that a common name included "Wild Parsley" and that "It is worthy of note that this plant (in common with others of the genus) is sometimes acrid and injurious when grown in damp soils. It is, doubtless, capable of much improvement by careful cultivation. This plant is not endemic to Australia."
References
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External links
Jepson Manual TreatmentPhoto gallery
Apioideae
{{Apiaceae-stub