Pacific Island Ecosystems at Risk (PIER)

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Persicaria orientalis
(L.) Spach, Polygonaceae
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Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Other Latin names:  Polygonum orientale L.

Common name(s): [more details]

Chinese: hong liao

English: kiss-me-over-the-garden-gate, lady's thumb, prince's-feather, prince's-plume, princess-feather

French: bâton de St.-Jean, monte-au-ciel, persicaire du Levant, renouée d'Orient, renouée orientale

Japanese: o-ke-tade

Spanish: disciplinas de monja, gitanas, golillas de corte

Habit:  herb

Description:  "Hairy, fibrous-rooted annual with erect stems 20-150-(250) cm tall. Leaves on main stem similar to those on branches; petiole to c. 10 cm long, densely hispid. Lamina 7-25 x 4-17 cm, ovate, entire, with margin and veins densely hispid above and below, otherwise hairs sparser; base rounded to cordate, broadly cuneate on inflorescence leaves; apex cuspidate. Ochreae c. 2 cm long on main part of stem, green, with apical lobes prominently setose. Inflorescence. a large open panicle with densely hairy branches terminating in dense pendulous spikes (1)-3-8 cm long; pedicels to 5 mm long, enclosed by bracts until anthesis; bracts 4-6 mm long, scarious, with appressed hairs, densely ciliate. Perianth 3-5 mm long, crimson in bud, somewhat paler at anthesis, accrescent, eglandular; segments broad-ovate to broad-elliptic, imbricate. Nut c. 4 mm long, broad-ovoid and ± biconvex, glossy black, with a shallow depression in the middle on each side" (Webb et al., 1988; p. 973).

Habitat/ecology:  In New Zealand, "waste land, coastal reclamation ground, gardens" (Webb et al., 1988; p. 973).  In Papua New Guinea, "a swamp plant, becoming a weed of grazing land during dry seasons when the swamps recede"  (Henty & Pritchard, 1975; p. 139).

Propagation:  Seed

Native range:  Asia and Australia, widely cultivated & naturalized elsewhere (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) native
Henty, E. E./Pritchard, G. H. (1975) (p. 139)
As Polygonum orientale L. At low altitudes.
Philippines
Philippine Islands
Philippine Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines
Philippine Islands
Philippine Islands   Merrill, Elmer D. (1923) (p. 123)
In open wet places along streams at low and medium altitudes.
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia
Australia (continental)
New South Wales native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Australia
Australia (continental)
Northern Territory native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Australia
Australia (continental)
Queensland native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
China
China
China (People's Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Japan
Japan
Japan (country) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 181)
North Korea
North Korea
North Korea (Democratic People's Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
South Korea
South Korea
South Korea (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Malaysia
Malaysia
Malaysia (country of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
cultivated
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 973)
Singapore
Singapore
Singapore (Republic of) introduced
invasive
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 68)
Naturalised
Taiwan
Taiwan Island
Taiwan Island native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Thailand
Thailand
Thailand (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Vietnam
Vietnam
Vietnam (Socialist Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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This page was created on 5 MAR 2007 and was last updated on 22 JUN 2010.