Pacific Island Ecosystems at Risk (PIER)

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Dicliptera chinensis
(L.) Juss., Acanthaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Dicliptera roxburghiana Nees; Justicia chinensis L.

Common name(s): [more details]

Chinese: gou gan cai

English: Chinese foldwing

Habit:  herb

Description:  "Sprawling or decumbent perennial herbs; stems 2-7 dm long.  Leaves green, lower surface slightly paler, ovate, 2.5-13.5 cm long, sparsely strigillose, especially on the veins, cystoliths prominent on upper surface as white raised streaks the size of the hairs, petioles 1-3.5 cm long.  Flowers in axillary cymes, each one subtended by 2 green, ovate bracts of unequal size, the larger one ca. 12-14 mm long, the smaller one ca. 8-9 mm long, all bracts short-villous especially along the margins, the veins inconspicuous, pedicels 0-1 mm long; calyx lobes of unequal size, 5-7 mm long; corolla rose to purple, the throat with purple spots, 5-13 mm long.  Capsules ovoid, 6-7 mm long, short-villous.  Seeds 4, discoid"  (Wagner et al., 1999; p. 171).

Habitat/ecology:  In Hawai‘i, "naturalized primarily in or near urban areas"  (Wagner et al., 1999; p. 171).

Propagation:  Seed

Native range:  China, Taiwan, Ryukyu Islands, Indochina (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island introduced
invasive
Staples, George W./Imada, Clyde T./Herbst, Derral R. (2002) (p. 3)
Voucher cited: D.R. Herbst (9792 (BISH)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 171)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Oppenheimer, Hank L. (2003) (pp. 3-4)
West Maui. Voucher cited: Oppenheimer H110037 (BISH, PTBG)
State of Hawaii
Hawaiian Islands
Maui Island introduced
invasive
Oppenheimer, Hank L. (2004) (p. 8)
East Maui. Voucher cited: Oppenheimer H30302 (BISH, PTBG)
State of Hawaii
Hawaiian Islands
Moloka‘i Island introduced
invasive
Oppenheimer, Hank (2007) (p. 18)
Voucher cited: Oppenheimer H110605 (BISH, PTBG)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. (1999) (p. 171)
Voucher cited: Caum s.n. (BISH)
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Cambodia
Cambodia
Cambodia (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
China
China
China (People's Republic of) native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Streamsides, trailsides; below 1800 m. Fujian, Guangdong, Guangxi, Guizhou, Hainan, Sichuan, Yunnan.
Japan
Ryukyu Islands
Ryukyu Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Taiwan
Taiwan Island
Taiwan Island native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Taiwan
Taiwan Island
Taiwan Island native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Streamsides, trailsides; below 1800 m.
Vietnam
Vietnam
Vietnam (Socialist Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)


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

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This page was created on 13 DEC 2007 and was last updated on 13 DEC 2007.