Pacific Island Ecosystems at Risk (PIER)

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Pittosporum pentandrum
(Blanco) Merr., Pittosporaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: tai qiong hai tong

English: mamalis, pittosporum, Taiwanese cheesewood

Habit:  shrub/tree

Description:  "A small tree or shrub, the bark greenish-white, with conspicuous lenticels; branchlets brownish pubescent. Leaves obovate-lanceolate or elliptic lanceolate, 4-11 cm long, 1.3-4 cm broad, acute at both ends, entire to crenate; petioles 0.4-1.5 cm long. Inflorescence in terminal, small, crowded, brown-pubescent panicles, 2-8.6 cm long, the flowers small, crowded about 5 mm across; sepals 5, ovate, 1-2 mm long, distinct; petals 5, oblong-linear, 5 mm long truncate. Capsule globose, 7-8 mm across, slightly apiculate, 2-valved, the valves subwoody. Seeds 5-6, about 3 mm thick, angled" (Editorial Committee, Flora of Taiwan; p. 3:67).

Description from Flora of China online.

Habitat/ecology:  Moist and wet disturbed forests at low elevations. Commonly planted as a street tree.

Propagation:  Seed, spread by birds.

Native range:  China (S. Guangxi, Hainan), Taiwan, Vietnam, Indonesia (Celebes), Philippines (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
cultivated
Herbarium Pacificum Staff (1999) (p. 6)
Voucher cited: B. Stevens 3 (BISH)
State of Hawaii
Hawaiian Islands
Kaua‘i Island introduced
invasive
cultivated
Frohlich, Danielle/Lau, Alex (2012) (p. 43)
Voucher cited: D. Frohlich & A. Lau 2010031103 (BISH)
State of Hawaii
Hawaiian Islands
O‘ahu Island introduced
invasive
cultivated
Herbarium Pacificum Staff (1999) (p. 6)
Voucher cited: E. Koes & L. Pyle 1 (BISH)
Philippines
Philippine Islands
Philippine Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines
Philippine Islands
Philippine Islands native
Merrill, Elmer D. (1923) (pp. 222-223)
Very common in secon-growth forests, parang, etc., at low and medium altitudes, ascending to 1,400 m.
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)
var. formosanum (Hayata) Z. Y. Zhang & Turland. "Thickets, slopes, seashores; sea level to 300 m". S Guangxi (Hepu Xian), Hainan.
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Celebes
Singapore
Singapore
Singapore (Republic of) introduced
cultivated
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 70)
Cultivated only
Taiwan
Taiwan Island
Taiwan Island native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
var. formosanum (Hayata) Z. Y. Zhang & Turland. "Thickets, slopes, seashores; sea level to 300 m".
Vietnam
Vietnam
Vietnam (Socialist Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Also reported from
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
U.S. Dept. Agr., Nat. Res. Cons. Serv. (2013)
United States (continental except west coast)
United States (other states)
USA (Florida) introduced
invasive
cultivated
Herbarium Pacificum Staff (1999) (p. 6)


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 11 DEC 2010.