Pacific Island Ecosystems at Risk (PIER)

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Leucas lavandulifolia
Sm., Lamiaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Leonurus indicus L.; Leucas linifolia (Roth) Spreng.; Phlomis linifolia Roth

Common name(s): [more details]

Chinese: xian ye bai rong cao

Filipino: karukansoli

French: armoise blanche

Hindi: guma

Habit:  herb

Description:  "Erect, fetid, annual herb to 1 m high, the branchlets pubescent with spreading to retrorse hairs and often subglaucous; leaf blades usually subsessile, linear-lanceolate or rarely lanceolate, 4-9 x about 0.5 (-2.5) cm, attenuate at base, acuminate to acute at apex, remotely and sparingly serrate to subentire at margin; flowers short-pedicellate, 3-30 in terminal and axillary, always leafy-bracted verticils, these often congested toward tips of branchlets, the bracteoles linear, to 10 mm long, puberulent; calyx turbinate to cupular, 6-8 mm long, in fruit to 9 mm long, glabrescent to puberulent without, the mouth conspicuously oblique, the teeth 7-10, the uppermost one large and broad, the others minute and spinescent; corolla white or tinged with pale blue, about 10 mm long, the tube annulate within near middle, the upper lip oblong, copiously pilose, the lower lip patent, the middle lobe large, obovate; anthers red-brown; nutlets oblong, about 2.5 x 1 mm, rounded at apex, the inner surface angular, the outer surface rounded, dark brown or paler toward base"  (Smith, 1991; pp. 238-239).

Habitat/ecology:  In Fiji, "occurs near sea level as an occasional weed of cultivated areas, in dryland ricefields, and along roadsides"  (Smith, 1991; pp. 238-239).

Propagation:  Seed

Native range:  "Continental Asia (India to China) and southeastward throughout Malesia; a widespread weed elsewhere, into the Mascarenes and southern Africa" (Smith, 1991; pp. 238-239).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Fiji
Fiji Islands
Viti Levu Island introduced
invasive
Smith, Albert C. (1991) (pp. 238-239)
Vouchers cited: DA 9636, Greenwood 916, DA 17325, DA 16026, DA 3989, DA 11738, DA 10588, DA 2929
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
MacKee, H. S. (1994) (p. 69)
Vouchers cited: Brousmiche s.n. s.loc., Le Rat 696 s.loc., MacKee 11490, MacKee 27977, MacKee 34642, Toutain 4282 (NOU)
Palau
Palau (Belau ) (main island group)
Babeldaob Island introduced
Fosberg, F. R./Sachet, Marie-Hélène/Oliver, Royce (1979) (p. 241)
Palau
Palau (Belau ) (main island group)
Babeldaob Island introduced
Fosberg, F. R./Sachet, M.-H. (1975) (p. 83)
Voucher cited: Salsedo 164 (US)
Palau
Palau (Belau ) (main island group)
Babeldaob Island introduced
invasive
Space, James C./Lorence, David H./LaRosa, Anne Marie (2009) (p. 5)
Voucher: Lorence 9929 (PTBG, BNM, NY, US)
Palau
Palau (Belau ) (main island group)
Babeldaob Island   National Tropical Botanical Garden (U.S.A. Hawaii. Kalaheo.) (2008) (voucher ID: PTBG 222)
Taxon name on voucher: Leucas lavandulifolia Sm.
Palau
Palau (Belau ) (main island group)
Palau Islands (main island group) introduced
invasive
Smith, Albert C. (1991) (pp. 238-239)
Philippines
Philippine Islands
Philippine Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines
Philippine Islands
Philippine Islands introduced
invasive
Merrill, Elmer D. (1923) (p. 411)
A common weed in open waste places at low and medium altitudes; certainly introduced.
Solomon Islands
Solomon Islands
Solomon Islands introduced
invasive
Smith, Albert C. (1991) (pp. 238-239)
Solomon Islands
Solomon Islands
Solomon Islands native
Hancock, I. R./Henderson, C. P. (1988) (p. 85)
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)
Queensland introduced
invasive
Smith, Albert C. (1991) (pp. 238-239)
China
China
China (People's Republic of) native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Dry sunny areas, roadsides, riverbanks, thickets at forest margins; 0-1000(-1400) m. Guangdong, Yunnan.
China
China
Hong Kong native
Wu, Te-lin (2001) (p. 236)
In thickets and on margin of forests.
Indonesia
Indonesia
Indonesia (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)
Singapore
Singapore
Singapore (Republic of) uncertain if introduced
invasive
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 54)
Weed of uncertain origin
Thailand
Thailand
Thailand (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Indian Ocean
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Mascarene Islands
Mascarene Islands (Mauritius, La Reunion, Rodrigues)
Mascarene Islands introduced
invasive
Smith, Albert C. (1991) (pp. 238-239)
Seychelles
Seychelles Islands
Frégate Island   Robertson, S. A./Todd, D. M. (1983) (p. 53)
Vouchers cited: Procter 4154, Robertson 2644


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

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This page was created on 17 AUG 2002 and was last updated on 19 OCT 2006.