Family: Hypericaceae
Hypericum japonicum
Citation:
Thunb., Fl. Jap. 295 (1784).
Synonymy: Not Applicable Common name: Matted St Johns wort.
Description:
Weak decumbent to prostrate, occasionally ascending, annual; stem length 2-25 cm; stems almost terete, with 4 lines of raised tissue; leaves flat, very variable in shape, 4-10 mm long, 2-4 mm wide, usually ovate or obovate to oblong or elliptic sometimes narrowly so; apex obtuse to rounded.
Inflorescence few-flowered, often 1 but up to 30; sepals narrowly oblong to elliptic or obovate, acute to rounded; petals not or barely longer than the sepals; stamens 5-30, not in apparent bundles; styles 2 or 3.
Capsule and seeds as in H. gramineum.
Published illustration:
Cunningham et al. (1982) Plants of western New South Wales, p. 498.
Distribution:
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S.Aust.: SL, KI, SE.
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Conservation status:
native
Flowering time: Nov. — March.
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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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