Hymenachne amplexicaulis
Family Poaceae
Species Profile
| Species classification | Invasive [Weeds of National Significance; WoNS shortlist (pre-2012); NSW's Noxious Weeds] |
| Common names | Hymenachne, Olive, Olive Hymenachne, Trompetilla, Water Stargrass, West Indian Grass, West Indian Marsh Grass |
| Synonyms | Agrostis monostachya Poir.; Hymenachne acutigluma (Steud.) Gilliland; Hymenachne gouinii E.Fourn.; Hymenachne monostachya (Poir.) P.Beauv. [Invalid]; Hymenachne myosurus (Rich.) Nees; Hymenachne pseudointerrupta C.Muell.; Panicum acuminatum Salzm. ex Döll [Invalid]; Panicum acutiglume Steud.; Panicum amplexicaule Rudge; Panicum amplexicaule var. "a" erecta Döll; Panicum amplexicaule var. "b" deflexa Döll; Panicum amplexicaule var. deflexum Döll; Panicum amplexicaule var. erectum Döll; Panicum auritum Hassk. [Illegitimate]; Panicum caudatum Willd. ex Steud. [Invalid]; Panicum grisebachianum Mez; Panicum hasskarlii Steud. ex Zoll.; Panicum hymenachne Desv.; Panicum myosuros Rich.; Panicum myosurus Rich.; Panicum myurum G.Mey.; Panicum perdensum Steud.; Sporobolus villosus Hochst. ex Döll [Invalid] |
| Longevity | Perennial |
| Growth form | Graminoid (grasses, sedges and rushes); Semi-Aquatic |
| Seed dispersal morphology | Information unavailable |
| Maximum height (m) | 3.5 |
| Capable of vegetative reproduction | Yes |
| Native range | North America, South America, Atlantic Ocean Islands |
| Exotic range (Australia) | NT, QLD, NSW |
| Exotic range (other) | North America, South America, Indian Ocean Islands, Atlantic Ocean Islands, Pacific Ocean Islands |
| Habitat types (exotic) | Water bodies, Wetlands, Agricultural land (e.g. sugar cane) |
| Soil type (exotic) | Clay |
| Decade of introduction | 1950 |
Rating [?]
| Climate scenario | Australia | ACT | NSW | NT | QLD | SA | TAS | VIC | WA |
|---|---|---|---|---|---|---|---|---|---|
| Current climate | 30 | 0 | 18 | 38 | 34 | 0 | 0 | 0 | 20 |
| RCP 8.5 2050 | 30 | 0 | 16 | 38 | 30 | 0 | 0 | 0 | 12 |
| RCP 8.5 2070 | 30 | 0 | 16 | 42 | 26 | 0 | 0 | 0 | 12 |
Maps of Habitat Suitability & Recorded Occurrences
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Current suitable habitat
2050 suitable habitat
(RCP 8.5)
2070 suitable habitat
(RCP 8.5)
Recorded occurrences
(Australia)
Recorded occurrences
(global)
Images
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Further Information
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