(Roxb. ex Vaucher) Hauke, Equisetaceae |
Present on Pacific Islands? no
Primarily a threat at high elevations? no
Common name(s): [more details]
English: branched scouringrush |
Habit: fern
Description: "A fern ally with many hollow, fluted aerial stems growing from a perennial rootstock. Stems evergreen, with stomata arranged in lines. Leaves minute, whorled to form toothed cylindrical or dilated sheaths; as the sheaths mature, the teeth break off to leave a truncated margin. Spores in terminal cones." (Waterhouse & Mitchell, 1998; pp. 37-38).
Habitat/ecology: "Margins of inundated areas such as rice terraces and bunds, tea plantations and roadsides" (Waterhouse & Mitchell, 1998; pp. 37-38).
Propagation: "By spores and by vegetative growth from rhizomes fragmented during ploughing" (Waterhouse & Mitchell, 1998; pp. 37-38).
Native range: Southeast Asia (Waterhouse & Mitchell, 1998; pp. 37-38).
Presence:
Pacific | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
Philippines
Philippine Islands |
Philippine Islands |
native
|
U.S. National Plant Germplasm System (year unknown)
website accessed 20171206 |
Pacific Rim | |||
Country/Terr./St. & Island group |
Location |
Cited status &
Cited as invasive & Cited as cultivated & Cited as aboriginal introduction? |
Reference &
Comments |
China
China |
Hong Kong |
native
|
Wu, Te-lin (2001) (p. 9) |
China
China |
Hong Kong |
native
|
U.S. National Plant Germplasm System (year unknown)
website accessed 20171206 |
Indonesia
Indonesia |
Indonesia (Republic of) |
native
|
U.S. National Plant Germplasm System (year unknown)
website accessed 20171206 |
Taiwan
Taiwan Island |
Taiwan Island |
native
|
U.S. National Plant Germplasm System (year unknown)
website accessed 20171206 |
Comments: "Toxic to livestock. Likely to proliferate with cultivation and be competitive with crops at high densities." (Waterhouse & Mitchell, 1998; pp. 37-38).
Control: If you know of control methods for Equisetum ramosissimum subsp. debile, please let us know.