Genus of flowering plants in the borage family Boraginaceae
For former class of Royal Navy ships, see Anchusa-class sloop.
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Anchusa
Anchusa officinalis
Scientific classification
Kingdom:
Plantae
Clade:
Tracheophytes
Clade:
Angiosperms
Clade:
Eudicots
Clade:
Asterids
Order:
Boraginales
Family:
Boraginaceae
Subfamily:
Boraginoideae
Genus:
Anchusa L.
Type species
Anchusa officinalis
L.
The genus Anchusa belongs to the borage family (Boraginaceae). It includes about 35 species[1] found growing in Europe, North Africa, South Africa and Western Asia. They are introduced in the United States.
They consist of annual plants, biennial plants and perennial plants with the general characteristics of the borage family. They are commonly herbaceous. The leaves are simple or undulate, covered with stiff hairs.
The small radially symmetrical flowers are sapphire blue and retain their colour a long time. The plants show numerous flowers with five sepals, united at their bases, and five petals forming a narrow tube facing upwards. The flowers grow in several axillary cymes, simple or branched, or are clustered at the end. The flowers are much frequented by bees.
The genus Anchusa is commonly used in trough or rock gardens.[1]
The roots of Anchusa (just like those of Alkanna and Lithospermum) contain anchusin (or alkanet-red), a red-brown resinoid colouring matter. It is insoluble in water, but soluble in alcohol, chloroform and ether.
Anchusa species are used as food plants by the larvae of some Lepidoptera species including Coleophora pennella.
^ abGrey-Wilson, Christopher (2009). The Rock Garden Plant Primer. London: Timber Press. p. 46. ISBN 978-0-88192-928-7.
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79 in). Adults are on wing from June to July. The larvae feed on alkanet (Anchusa officinalis), houndstongue (Cynoglossum officinale), Italian viper's bugloss...
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