Appearance
"Ligusticum scoticum" is a herbaceous perennial plant which typically grows 15–60 centimetres tall. It has triangular, twice-ternate leaves, 5–20 cm long, with each lobe 2–5 cm long. The edges of the leaves may be toothed, lobed or serrated, and are typically either a paler green or magenta. The stem branches infrequently, and bears 2–5 inflorescences, each of which is a compound umbel 4–6 cm in diameter. There are typically 8–12 rays in both the primary and secondary umbels. Each individual flower is around 2 mm in diameter and greenish-white in colour. The fruit are 4–6 mm long, with five prominent ridges on each carpel."Ligusticum scoticum" tastes and smells like parsley or celery.
Distribution
"Ligusticum scoticum" is primarily an Arctic plant, with a disjunct range extending from northern Norway to the more northerly shores of the British Isles, and from western Greenland to New England. A related species, "Ligusticum hultenii", which was described by Merritt Lyndon Fernald in 1930 and may be better treated as a subspecies of "L. scoticum", occurs around the northern Pacific Ocean, from Japan to Alaska. The southernmost occurrence of "L. scoticum" is at Ballyhalbert in Northern Ireland.Habitat
Within the British Isles, "Ligusticum scoticum" is only found on coasts where the mean July temperature is below 15 °C, and this bound is likely also to apply in other parts of the species' range. Towards the southern end of its range, the plant performs poorly on south-facing sites. It grows in fissures in rocks, where it may be the only vascular plant, and also in cliff-top grassland communities dominated by "Festuca rubra" and "Plantago maritima"."Ligusticum scoticum" cannot tolerate grazing, and is harmed by the actions of nesting seabirds; it is therefore rarely found on bird cliffs, or where grazing sheep and rabbits are found. It is, however, tolerant of salt spray, and its growth has been shown to improve when given dilute sea water. The leaves of "L. scoticum" are frost-tolerant, and die back each winter, but regrow very rapidly the following spring. In the British Isles, flowering occurs from June to August, and the seeds are ripe in October or November; the timing is expected to be later at higher latitudes. The flowers of "L. scoticum" are visited by generalist pollinators, mostly flies.
Uses
The plant was formerly widely eaten in western Britain, both for nutrition and to combat scurvy. The leaves and stalks are edible before the flowers appear, and contain vitamin A and C. They can be consumed raw or cooked like celery. Additionally, the young shoots can be candied.References:
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