Hypericum gramineum

Short description: Species of flowering plant in the St John's wort family Hypericaceae

Hypericum gramineum

Scientific 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

G.Forst.

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". Royal Botanical Gardens Kew. https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:433465-1.
2. ↑ 2.0 2.1 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. ↑ 3.0 3.1 3.2 3.3 "Hypericum gramineum G.Forst.". http://hypericum.myspecies.info/taxonomy/term/1127.
4. ↑ Miller, C (1990). "Hypericum gramineum G.Forst.". PlantNet. National Herbarium of NSW, Royal Botanic Garden. http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Hypericum~gramineum.
5. ↑ "Hypericum gramineum". Centre for Australian National Biodiversity Research (CANBR), Australian Government. 2020. https://apps.lucidcentral.org/rainforest/text/entities/Hypericum_gramineum.htm.

Wikidata ☰ Q2384206 entry

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