Pacific Island Ecosystems at Risk (PIER)

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Dillenia suffruticosa
(Griff. ex Hook. f. & Thomson) Martelli, Dilleniaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 3 (Go to the risk assessment)

Other Latin names:  Wormia suffruticosa Griff. ex Hook. f. & Thomson

Common name(s): [more details]

English: shrubby dillenia, shrubby simpoh, shrubby simpohlenia

Habit:  shrub/tree

Description:  "Large shrubs or small trees, evergreen, up to 10 m. Leaves elliptic to ovate, 15-30 by 8-15 cm, 12-20-nerved, rounded to obtuse at apex, obtuse at base, base continuous with petiolar wings. Petiole 2-6 cm, with 4-10 mm broad persistent wings enclosing terminal bud in young leaf. Flowers in up to 18-flowered terminal simple or compound racemose inflorescences, 8-12 cm across. Pedicel 1-3 cm. Sepals obovate, 15-22 by 8-12 mm. Petals yellow, 40-50 by 25-30 mm. Staminodes ca 100, 4-6 mm long, outside stamens. Stamens ca 175, outer ones curved, inner ones reflexed at apex, from 8 (outermost) to 13 (innermost) mm long. Carpels 5-8, ca 5 by 2 mm with 10 mm long style; each with 7-10 ovules. Fruit dehiscent, sepals reflexed, carpels spreading, red, ca 20-25 by 10-16 mm. Seeds arillate" (Hoogland, 1972; p. 101).

Habitat/ecology:  Moist forests.

Propagation:  Seed, fruits spread by birds. Low branches root.

Native range:  Indonesia (Kalimantan, Sumatra), Malaysia, Singapore; cultivated and naturalized elsewhere (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
O‘ahu Island introduced
invasive
Sato, Pauline (1998) (p. 15)
Voucher cited: H. Fraiola s.n. (BISH 649596)
Naturalized in disturbed moist forest.
Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Kalimantan, Sumatra; naturalized in Java
Malaysia
Malaysia
Malaysia (country of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Singapore
Singapore
Singapore (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Singapore
Singapore
Singapore (Republic of) native
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 34)
Common

Comments:  Widely grown as an ornamental shrub in tropical countries and naturalized in Ceylon, W. Java, Jamaica and possibly Luzon (Hoogland, 1972; p. 101).


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This page was created on 1 JAN 1999 and was last updated on 18 APR 2013.