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Myosotis

Myosotis (/ˌməˈstɪs/ MY-ə-SOH-tiss) is a genus of flowering plants in the family Boraginaceae. In the Northern Hemisphere, they are colloquially known as forget-me-nots or scorpion grasses. Myosotis alpestris is the official flower of Alaska and Dalsland, Sweden.

The name comes from the Ancient Greek μυοσωτίς "mouse's ear", which the foliage is thought to resemble. Plants of the genus are not to be confused with the related genus Myosotidium and its sole species Myosotidium hortensia found in the Chatham Islands.

The genus was originally described by Carl Linnaeus. The type species is Myosotis scorpioides. Myosotis species are annual or perennial, herbaceous, flowering plants with pentamerous actinomorphic flowers.

Their foliage is alternate, and their roots are generally diffuse. They typically flower in spring or soon after the melting of snow in alpine ecosystems.

Flowers are borne on scorpioid cymes; they are flatly faced, with a typical diameter of 1 cm (12 in) or less; they are coloured typically blue, but sometimes pink, white or yellow. Its centre consists of five anthers each on filaments fused to the petals, they are surrounded by yellow bumps called "fornices".

The seeds are contained in small, tulip-shaped pods along the stem to the flower. The pods attach to clothing when brushed against and eventually fall off, leaving the small seed within the pod to germinate elsewhere. Seeds can be collected by placing a sheet of paper under stems and shaking the seed pods onto the paper.

Myosotis scorpioides is colloquially called scorpion grass because of the spiraling curvature of its inflorescence.

The genus is largely restricted to western Eurasia, with over 60 confirmed species, and New Zealand with around 40 endemic species. A few species occur elsewhere, including North America, South America, and Papua New Guinea. Despite this, Myosotis species are now common throughout temperate latitudes because of the introduction of cultivars and alien species. Many are popular in horticulture. They prefer moist habitats. In locales where they are not native, they frequently escape to wetlands and riverbanks.

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genus of plants in family Boraginaceae
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