Pacific Island Ecosystems at Risk (PIER)

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Equisetum ramosissimum subsp. debile
(Roxb. ex Vaucher) Hauke, Equisetaceae
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Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Other Latin names:  Equisetum debile Roxb. ex Vaucher

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. Dept. Agr., Agr. Res. Serv. (2013)
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)
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Taiwan
Taiwan Island
Taiwan Island native
U.S. Dept. Agr., Agr. Res. Serv. (2013)

Comments:  "Toxic to livestock. Likely to proliferate with cultivation and be competitive with crops at high densities." (Waterhouse & Mitchell, 1998; pp. 37-38).


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This page was created on 14 MAR 2005 and was last updated on 29 AUG 2010.