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Electronic Flora of South Australia species Fact Sheet

Family: Boraginaceae
Myosotis discolor

Citation: Pers., Syst. Veg. 190 (1797) subsp. discolor.

Synonymy: Myosotis arvensis, Myosotis discolor

Common name: Yellow and blue forget-me-not.

Description:
Delicate annuals to 20 cm high, usually with several erect stems from one or several basal rosettes terminating in an inflorescence, without a distinct tap root, covered with spreading hairs below to appressed hairs on and below the inflorescence; leaves more or less densely clustered, petiolate and oblanceolate in the basal rosette, becoming scattered, sessile and linear-lanceolate below the inflorescence, 1-4 x 0.4-1 cm, usually with a rounded apex at the base, acute above.

Inflorescence terminal, with 1-3 monochasia, with flowers almost sessile and densely clustered but with pedicels to 4 mm long and loosely arranged when fruiting, without bracts; sepals one-third or less of their length, connate, c. 2 mm long or to 5 mm when fruiting, with lobes linear-lanceolate, acute on the lower parts with scattered short hooked hairs; corolla narrowly tubular, pale-yellow or white becoming usually blue, glabrous, c. 4 mm long, with small saccate protrusions in the throat; lobes oblong, c. 1 mm long, with a rounded apex; stamens inserted just below the throat of the corolla tube, with anthers sessile, narrowly elliptic, c. 0.75 mm long, with small terminal appendages; ovary 4-lobed, with a style inserted near the base, c. 2 mm long, slender, with a rough slightly bulging terminal stigma.

Mericarps ovoid, laterally compressed, with a keeled ridge around, smooth, shiny, dark-brown.

image of FSA3_Myosotis_dis.jpg Fruit in calyx and mericarp
Image source: fig. 540B in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Published illustration: Ross-Craig (1965) Drawings Brit. Pl. 21:pl. 17.

Distribution:  S.Aust.: NL, MU, SL, SE.   N.S.W.; Vic.; Tas.   native to Europe, north-western Africa and into central Russia.

Conservation status: naturalised

Flowering time: Sept. — Nov.


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available


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