Hypericum gramineum
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Hypericaceae
Genus: Hypericum
Section: H. sect. Trigynobrathys
Subsection: H. subsect. Connatum
Species:
H. gramineum
Binomial name
Hypericum gramineum
Synonyms[1]
List
  • Ascyrum involutum Labill.
  • Ascyrum involutum Labill.
  • Brathys billardierei Spach
  • Brathys forsteri Spach
  • Hypericum foetidum Hook.f. & Thomson ex Dyer
  • Hypericum gramineum var. ericifolium Domin
  • Hypericum gramineum var. genuinum Domin
  • Hypericum gramineum var. pedicellare (Endl.) Domin
  • Hypericum involutum (Labill.) Choisy
  • Hypericum japonicum var. gramineum (G.Forst.) Maiden & Betche
  • Hypericum pauciflorum subsp. involutum (Labill.) C.Rodr.Jim.
  • Hypericum pedicellare Endl.
  • Sarothra graminea (G.Forst.) Y.Kimura
  • Sarothra saginoides Y.Kimura

Hypericum gramineum, commonly known as small St. John's wort or grassy St. Johnswort, is species of flowering plant in the St. Johns wort family Hypericaceae. It is found in parts of Southeast Asia, Oceania, and the Pacific.[2][3]

Description

Grassy St. Johnswort is a small annual or perennial herb with a height of 5–72 cm (2.0–28.3 in).[3] Its flowers are 5–12 mm in diameter.[4] The plant causes photosensitization and enteritis.[5]

Distribution and habitat

Hypericum gramineum occurs in New Zealand, Australia, New Caledonia, Papua-New Guinea, Vietnam, Taiwan, China (Hainan, Yunnan), India (Meghalaya, Manipur), Bhutan, and the United States (Hawaii).[3] It is found in every state and territory of Australia.[2] It grows in open grassy and shrubby habitats.[3]

The distribution of Hypericum gramineum in Australia

Reference list

  1. ↑ "Hypericum gramineum". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 2018-10-23.
  2. 1 2 Willis, AJ; Groves, RH; Ash, JE (1997). "Seed Ecology of Hypericum gramineum, an Australian Forb". Australian Journal of Botany. 45 (6): 1009–1022. doi:10.1071/BT96074.
  3. 1 2 3 4 "Hypericum gramineum G.Forst". hypericum.myspecies.info. Retrieved 2018-10-23.
  4. ↑ Miller, C (1990). "Hypericum gramineum G.Forst". PlantNet. National Herbarium of NSW, Royal Botanic Garden. Retrieved 9 August 2014.
  5. ↑ F.A.Zich; B.P.M.Hyland; T.Whiffen; R.A.Kerrigan (2020). "Hypericum gramineum". Australian Tropical Rainforest Plants Edition 8 (RFK8). Centre for Australian National Biodiversity Research (CANBR), Australian Government. Retrieved 23 June 2021.
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