Family: Plantaginaceae
Callitriche hamulata
Citation:
Kütz. in Koch, Syn. Fl. Germ. Heir. edn 1, 1:246 (1836). (111. Aston (1973) Aquatic plants of Australia, fig. 19a-d; Orchard (1980) J. Adelaide Bot. Gard. 2:192, fig. 1j-1.)
Synonymy: Not Applicable Common name: None
Description:
Aquatic or terrestrial herb; leaves in aquatic plants of 2 types, submerged leaves linear, 6-30 mm long, 0.5-1 mm wide, deeply notched at the tip, with a single mid-vein, rosette leaves spathulate, c. 3-4 mm long, 1.3-1.7 mm wide, more or less emarginate, 3-nerved; leaves of the land form linear-elliptic to elliptic, 1- rarely 2- or 3-nerved.
Flowers solitary in the leaf axils, bracteoles absent or rarely present; stamen 0.6-1 mm long; styles deflexed close to the fruit, deciduous.
Fruit sessile or on a pedicel to 15 mm long, dark-brown to greyish, longer than broad or almost isodiametric, 1.1-1.2 mm long, 0.9-1 sometimes to 1.4 mm wide, pale narrow wing running around the top and the base of the nutlets, commissural groove broad and shallow, face of fruit virtually flat.
| Fruit in three views.
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Image source: fig. 552A in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).
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Distribution:
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Vic.. New Zealand; Native to Europe and Greenland.
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Conservation status:
naturalised
Flowering time: Aug. — Jan.
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SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia
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Biology:
No text
Author:
Not yet available
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