''Torilis nodosa'' is a species of flowering plant in the family Apiaceae known by the common names knotted hedgeparsley and short sock-destroyer. It is native to parts of Europe, especially the

Mediterranean Basin In biogeography, the Mediterranean Basin (; also known as the Mediterranean Region or sometimes Mediterranea) is the region of lands around the Mediterranean Sea that have mostly a Mediterranean climate, with mild to cool, rainy winters and w ...

and it is known elsewhere, such as North America, as an

introduced species An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there ...

and a common weed. It grows in many types of habitat, particularly disturbed areas. It is an annual herb producing a hairy stem up to half a meter in maximum height. The alternately arranged leaves are each divided into several pairs of smooth-edged lance-shaped or linear leaflets. The

inflorescence An inflorescence is a group or cluster of flowers arranged on a stem that is composed of a main branch or a complicated arrangement of branches. Morphologically, it is the modified part of the shoot of seed plants where flowers are formed o ...

is a dense compound

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 ...

of flower clusters on very short rays, often appearing like a cluster. Each flower has five petals which are unequal in size and are white with a pinkish or reddish tinge. Each greenish or pinkish fruit is about 3 millimeters long and is coated in long prickles.

References

External links

Photo gallery
Apioideae Flora of Malta {{Apiaceae-stub