Pacific Island Ecosystems at Risk (PIER)

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Clerodendrum japonicum
(Thunb.) Sweet, Lamiaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Other Latin names:  Clerodendrum squamatum Vahl; Volkameria japonica Thunb.

Common name(s): [more details]

Chinese: cheng tong

English: glorybower

Hawaiian: pikake hohono

Habit:  shrub

Description:  "Erect shrub up to about 2 m high. Branches rather thick, puberulent when young. Leaves with petioles 2-10 (-18) cm long; blade orbicular or nearly so, 7-25 cm across, shortly acuminate at apex, deeply cordate at base, very shallowly toothed with distinctly apiculate teeth, puberulent above only on veins, densely lepidote beneath with rather large thick peltate scales, 5- or 7-nerved at base without axillary glands, the lateral nerves above the base about 6 on each side. Inflorescence a large terminal rather open panicle, or with some branches in upper axils, up to 30 cm long and wide; peduncle about 6 cm long, reddish. Flowers odorless, bright red, on slender pedicels up to 2 cm long; calyx bright red, cup-shaped, deeply 5-fid, the lobes thin, triangular-lanceolate, subulate-tipped, 1 cm long, lepidote and puberulent; corolla-tube 2 cm long, the 5 lobes 10-12 mm long, red; stamens exserted 1.5 cm; style up to 4 cm long" (Walker, 1976; p. 891).

Habitat/ecology:  (no habitat/ecology info known by PIER)

Propagation:  Fruit is dispersed by alien frugivorous birds.

Native range:  India through southeastern Asia; widely cultivated in tropics and subtropics (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
American Samoa
Tutuila Islands
Tutuila Island introduced
cultivated
Space, James C./Flynn, Tim (2000) (p. 34)
State of Hawaii
Hawaiian Islands
Kaua‘i Island   Smith, Clifford W. (1998)
C.W. Smith
State of Hawaii
Hawaiian Islands
Moloka‘i Island   Smith, Clifford W. (1998)
C.W. Smith
Japan (offshore islands)
Ogasawara (Bonin) Islands
Bonin (Ogasawara) Islands introduced
invasive
Toyoda, Takeshi (2003) (p. 285)
Naturalized
Japan (offshore islands)
Ogasawara (Bonin) Islands
Bonin (Ogasawara) Islands introduced
Kato, Hidetoshi (2007)
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) native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Thickets in valleys, along streams, in grassy openings; 100-1200 m. Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangsu, S Jiangxi, Sichuan, Xizang, Yunnan, S Zhejiang.
China
China
Hong Kong introduced
cultivated
Wu, Te-lin (2001) (p. 230)
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Celebes, Java
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 188)
Malaysia
Malaysia
Malaysia (country of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Mexico
Mexico
Mexico (United Mexican States) introduced
invasive
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Naturalized
Taiwan
Taiwan Island
Taiwan Island native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Thickets in valleys, along streams, in grassy openings; 100-1200 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 1 JAN 1999 and was last updated on 14 MAR 2013.