Pacific Island Ecosystems at Risk (PIER)

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Alstonia scholaris
(L.) R.Br., Apocynaceae
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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:  Echites scholaris L.

Common name(s): [more details]

Chinese: tang jiao shu

English: blackboard tree, deviltree, ditabark, milkwood-pine, milky-bean, milky-pine, pali-mari, palmira alstonia, white cheesewood, white-pine

French: echite

Malayan: pulai

Habit:  tree

Description:  "Trees to 40 m tall, glabrous. Bark gray; branchlets copiously lenticellate. Leaves in whorls of 3-10; petiole 1-3 cm; leaf blade narrowly obovate to very narrowly spatulate, 7-28 x 2-11 cm, leathery, base cuneate, apex usually rounded; lateral veins 25-50 pairs, at 80-90° to midvein. Cymes dense, pubescent; peduncle 4-7 cm. Pedicel usually as long as or shorter than calyx. Corolla white, tube 6-10 mm; lobes broadly ovate or broadly obovate, 2-4.5 mm, overlapping to left. Ovaries distinct, pubescent. Follicles distinct, linear, to 57 cm x 2-5 mm. Seeds oblong, margin ciliate, ends with tufts of hairs 1.5-2 cm"  (Flora of China online).

Habitat/ecology:  In China (native), "mixed forests, village groves; 200-1000 m"  (Flora of China online).

Propagation:  Seed

Native range:  Asia and Malesia from India to the Philippines; Queensland, Australia (GRIN).

Presence:

Pacific
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Comments
Federated States of Micronesia
Pohnpei Islands
Pohnpei Island native
Herrera, Katherine/Lorence, David H./Flynn, Timothy/Balick, Michael J. (2010) (pp. 68-69)
Vouchers cited: Fosberg 60435 (PTBG), K.M. Nagata 1495 (BISH)
State of Hawaii
Hawaiian Islands
Kaua‘i Island   Bishop Museum (U.S.A. Hawaii. Honolulu.) (1994) (voucher ID: BISH 645302)
Taxon name on voucher: Alstonia scholaris (L.) R.Br.
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Philippines
Philippine Islands
Philippine Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Solomon Islands
Solomon Islands
Solomon Islands native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
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 native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Cambodia
Cambodia
Cambodia (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
China
China
China (People's Republic of) native
cultivated
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Mixed forests, village groves; 200-1000 m. SW Guangxi, S Yunnan; cultivated in Fujian, Guangdong, Hainan, Hunan.
China
China
Hong Kong introduced
cultivated
Wu, Te-lin (2001) (p. 209)
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Also cultivated (Java).
Malaysia
Malaysia
Malaysia (country of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Taiwan
Taiwan Island
Taiwan Island native
Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2013)
Thailand
Thailand
Thailand (Kingdom of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Vietnam
Vietnam
Vietnam (Socialist Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Also cultivated.


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This page was created on 25 OCT 2010 and was last updated on 5 NOV 2011.