Pacific Island Ecosystems at Risk (PIER)

  [   PIER species lists  ]   [   PIER home  ]

Stachys arvensis
L., Lamiaceae
Click on an image for links to BIGGER PICTURES


Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: tian ye shui su

English: staggerweed

Habit:  herb

Description:  "Stems decumbent to ascending, many-branched, 2-6 dm long, hirsute.  Leaves ovate to narrowly ovate, 1-3.5 (-6) cm long, 0.6-2.3 (-3.5) cm wide, hirsute, more densely so along veins on lower surface, margins crenate, apex rounded, base truncate to subcordate, petioles 0-2 (-3.5) cm long.  Flowers usually 3-6 in verticillasters, these arranged in terminal, leafy, spike-like inflorescences; calyx usually tinged purple, campanulate, 5-6 mm long, hirsute, especially along nerves, cleft ca. " its length, the teeth slightly unequal, lanceolate, upper lobes ca. 2.7-2.8 mm long, lower lobe ca. 2.2-2.3 mm long; corolla pink, rose, or blue, 5-7 mm long, upper lip erect, median lobe of lower lip ovate, faintly spotted red near base.  Nutlets black, shiny, muricate, obovoid, ca. 2 mm long"  (Wagner et al., 1999; pp. 830-831).

Habitat/ecology:  In Hawai‘i, "naturalized in low elevation, dry, disturbed habitats, 2-1,200 m" (Wagner et al., 1999; pp. 830-831).  In Tonga, "rare in disturbed places" (Whistler, 1988; p. 21). In New Caledonia, "mauvaise herbe peu commune" (MacKee, 1994; p. 70).

Propagation:  Seed

Native range:  Europe and Asia (Wagner et al., 1999; pp. 830-831).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island introduced
Pickard, J. (1984) (p. 207)
Australia (Pacific offshore islands)
Lord Howe Island
Lord Howe Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 20)
"A weed of disturbed ground". Vouchers cited: A.N. Rodd 1432 (K, NSW); J. Pickard 2953 (NSW); 1920, J.L. Boorman (NSW); J.D. McComish 199 (NSW)
Australia (Pacific offshore islands)
Norfolk Islands
Norfolk Island introduced
invasive
Orchard, Anthony E., ed. (1994) (p. 9)
"A weed of disturbed ground". Vouchers cited: P.S. Green 1880 (K); 1898, I. Robinson (NSW)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
Atkinson, Rachel/Sawyer, John (2011)
Chile (offshore islands)
Juan Fernández Islands
Isla Más a Tierra (Robinson Crusoe Island) introduced
invasive
cultivated
Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido (2006) (p. 558)
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 831)
State of Hawaii
Hawaiian Islands
Kaho‘olawe Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 831)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 831)
State of Hawaii
Hawaiian Islands
Lāna‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 831)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 831)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 831)
State of Hawaii
Hawaiian Islands
Ni‘ihau Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 831)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 831)
Voucher cited: Mann & Brigham 277 (BISH)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
Tassin, Jacques (2005)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
invasive
MacKee, H. S. (1994) (p. 70)
Vouchers cited: Deplanche 360 s.loc., Vieillard 1059, MacKee 13384, MacKee 17595, MacKee 29363, MacKee 37241
New Caledonia
New Caledonia Archipelago
Île des Pins (Isle of Pines) introduced
invasive
Tassin, Jacques (2005)
New Caledonia
New Caledonia Archipelago
Île des Pins (Isle of Pines) introduced
invasive
MacKee, H. S. (1994) (p. 70)
Voucher cited: Pancher 597
New Zealand (offshore islands)
Kermadec Islands
Raoul Island introduced
invasive
Sykes, W. R. (1977) (pp. 110-111)
New Zealand (offshore islands)
Kermadec Islands
Raoul Island introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 795)
"A weed of gardens, fields, waste places, roadsides, and river beds".
Pitcairn Islands
Pitcairn Islands
Pitcairn Island introduced
invasive
Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. (2013)
Voucher cited: J. Florence 11022 (PAP)
Adventice
Tonga
Tongatapu Group
Tongatapu Island   Whistler, W. A. (1988) (p. 21)
Rare per Whistler.
Tonga
Tongatapu Group
Tongatapu Island   Whistler, W. A. (1992) (p. 39)
Voucher cited: Setchell & Parks 15632
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
China
China
China (People's Republic of) introduced
invasive
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Weed in waste areas adjacent to cultivated land. Fujian, Guangdong, Guangxi.
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 188)
New Zealand
New Zealand
New Zealand (country) introduced
invasive
Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. (1988) (p. 795)
"A weed of gardens, fields, waste places, roadsides, and river beds".
Taiwan
Taiwan Island
Taiwan Island introduced
invasive
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Weed in waste areas adjacent to cultivated land.

Additional information:
Additional online information about Stachys arvensis is available from the Hawaiian Ecosystems at Risk project (HEAR).

Information about Stachys arvensis as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

Taxonomic information about Stachys arvensis may be available from the Germplasm Resources Information Network (GRIN).

References:

Atkinson, Rachel/Sawyer, John. 2011. Naturalized species in the Juan Fernández Archipelago, Chile. Unpublished spreadsheet.

Charles Darwin Foundation. 2008. Database inventory of introduced plant species in the rural and urban zones of Galapagos. Charles Darwin Foundation, Galapagos, Ecuador.

Charles Darwin Research Station. 2005. CDRS Herbarium records.

Danton, Philippe/Perrier, Christophe/Martinez Reyes, Guido. 2006. Nouveau catalogue de la flore vaculaire de l'archipel Juan Fernández (Chile) [Nuevo catálogo de la flora vacular del Archipélago Juan Fernández (Chile)]. Acta Bot. Gallica 153(4):399-587.

Florence, J./Chevillotte, H./Ollier, C./Meyer, J.-Y. 2013. Base de données botaniques Nadeaud de l'Herbier de la Polynésie Française (PAP). (online resource).

MacKee, H. S. 1994. Catalogue des plantes introduites et cultivées en Nouvelle-Calédonie. Muséum National d'Histoire Naturelle, Paris, 164 p.

Mito, Toshikazu/Uesugi, Tetsuro. 2004. Invasive alien species in Japan: the status quo and the new regulation for prevention of their adverse effects. Global Environmental Research 8(2)/2004: 171-191.

Orchard, Anthony E., ed. 1994. Flora of Australia. Vol. 49, Oceanic islands 1. Australian Government Publishing Service, Canberra.

Pickard, J. 1984. Exotic plants on Lord Howe Island: Distribution in space and time, 1853-1981. J. of Biogeography 11:181-208.

Swarbrick, John T. 1997. Weeds of the Pacific Islands. Technical paper no. 209. South Pacific Commission, Noumea, New Caledonia. 124 pp.

Sykes, W. R. 1977. Kermadec Islands flora: an annotated checklist. New Zealand Department of Scientific and Industrial Research Bulletin 219, Wellington. 216 pp.

Tassin, Jacques. 2005. Jacques Tassin (IAC-CIRAD), personal communication.

Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. 1999. Manual of the flowering plants of Hawaii. Revised edition. Bernice P. Bishop Museum special publication. University of Hawai‘i Press/Bishop Museum Press, Honolulu. 1919 pp. (two volumes).

Webb, C. J./Sykes, W. R./Garnock-Jones, P. J. 1988. Flora of New Zealand, Volume IV: Naturalised pteridophytes, gymnosperms, dicotyledons. Botany Division, DSIR, Christchurch. 1365 pp.

Whistler, W. A. 1988. Checklist of the weed flora of western Polynesia. Technical Paper No. 194, South Pacific Commission, Noumea, New Caledonia. 69 pp.

Whistler, W. A. 1992. Flora of Tonga [unpublished checklist]. 107 pp.

Zhengyi, Wu/Raven, Peter H./Deyuan, Hong. 2013. Flora of China (online resource).


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

  [   PIER species lists  ]   [   PIER home  ]

This page was created on 7 AUG 2002 and was last updated on 26 OCT 2006.