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Pakistan | Family List | Boraginaceae

19. Myosotis L., Sp. Pl. 131. 1753. Gen. Pl. ed. 5.63.1754; C.B. Clarke in Hook. f., Fl. Brit. Ind. 4:173.1883. M. Popov in Schischkin, Fl. URSS. 19:352.1953; Riedl in Rech. f., Fl. Iran. 218:255.1967; Kazmi in J. Arn. Arb. 523.679. 1971.


Annual or perennial herbs with hairy parts and alternate leaves. Inflorescence initially scorpioid, later racemose. Flowers ebracteate, blue or white. Calyx barely enlarged in fruit. Corolla hypocrateriform, 5-lobed, with tube smaller than the calyx; lobes spreading. Throat scales present. Stamens 5, included. Nutlets 4, usually ovoid and compressed, smooth, shiny.

Species about 50 in Europe; Africa, New Zealand, Australia. Represented by 7 species in Pakistan.

The present treatment of the genus, especially the perennial species, is provisional. More collecting, especially fruiting material along with field notes on flower colour, ecology etc would be very helpful.

1 Calyx covered with appressed straight hairs only   (2)
+ Calyx covered, at least in lower half, with spreading ± curved to uncinate hairs   (3)
2 (1) Style shorter than the fruiting calyx   1 Myosotis caespitosa
+ Style as long as the fruiting calyx   2 Myosotis palustris
3 (1) Annuals. Pedicels shorter than the fruiting calyx   (4)
+ Perennial or biennials. Pedicels equal to or longer than fruiting calyx   (5)
4 (3) Calyx erect, ± appressed to the flowering axis; lower half of calyx mostly with curved to uncinate hairs   3 Myosotis stricta
+ Calyx spreading to deflexed; lower half of calyx mostly with appressed hairs with few uncinate ones   4 Myosotis refracta subsp. chitralica
5 (3) Nutlets ± obtuse at apex, margined only on upper half   5 Myosotis alpestris subsp. asiatica
+ Nutlets ± acute at apex, uniformly margined   (6)
6 (5) Stern ± flaccid, generally less branched. Calyx open in fruit. Corolla limb 5-7 mm broad   6 Myosotis sylvatica
+ Stem (-s) not flaccid; much branched. Calyx lobes ± constricted in fruit. Corolla limb 2.5-4 mm broad   7 Myosotis arvensis

Lower Taxa

Related Synonym(s):


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