Common name: Small St. John's Wort
Hypericum gramineum G.Forst. APNI*
Synonyms: Hypericum gramineum var. ericifolium Domin APNI*
Hypericum japonicum var. australe R.Keller APNI*
Description: Erect herb 10–40 cm high.
Leaves ovate to lanceolate, 5–13 mm long; floral leaves stem-clasping.
Terminal cymes usually with 3 or more flowers, rarely flowers solitary and axillary; flowers 5–12 mm diam., yellow to orange; pedicels erect, 5–15 mm long. Sepals and petals 4–8 mm long, persistent. Stamens 20–50, mostly free, persistent.
Capsule 3-valved, to 7 mm long.
Flowering: spring to early summer.
Distribution and occurrence: Grows in well-drained soils of open forest and grassland.
Variable taxon requiring investigation.
NSW subdivisions: NC, CC, SC, NT, CT, ST, NWS, CWS, SWS, NWP, NFWP
Other Australian states: Qld Vic. Tas. W.A. S.A. N.T.
Variable taxon requiring investigation. Also, intermediate forms sometimes occur between H. gramineum and H. japonicum.
Text by C. Miller (1990)
Taxon concept: Flora of NSW 1 (1990)
APNI* Provides a link to the Australian Plant Name Index (hosted by the Australian National Botanic Gardens) for comprehensive bibliographic data
***The AVH map option provides a detailed interactive Australia wide distribution map drawn from collections held by all major Australian herbaria participating in the Australian Virtual Herbarium project.