Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 2 (Go to the risk assessment)

Other Latin names:  Celastrus emarginata Willd.; Maytenus emarginata (Willd.) Ding Hou

Common name(s): [more details]

Chinese: tai wan luo shi

Habit:  shrub

Description:  "Small shrubs, 1-3 m tall; branches gray-brown, shallowly longitudinally fluted, unarmed. Petiole sturdy, 3-5 mm; leaf blade obovate, 3.5-5 x 1.7-3.3 cm, leathery, base cuneate, margin remotely crenate, sometimes glandular spotted in sinus of teeth, apex rounded or subtruncate; lateral veins 4-6 pairs, quite tenuous. Cymes axillary, 1 or 2 x branched; peduncle 1-1.5 cm. Flowers white; calyx lobes deltoid; petals obovate-oblong or oblong, entire, obtuse. Stamens inserted abaxially on disk margin; anther broadly ovoid. Ovary 3-celled; style very short; stigma 3. Capsule subobovoid, trilocular, 7-8 mm in diameter, dehiscing into 3 broadly rounded valves, ca. 5 mm. Seeds ellipsoid, red, ca. 3 mm, with small aril at base"  (Flora of China online).

Habitat/ecology:  On Taiwan (native), "thickets along seashores, open areas"  (Flora of China online).

Propagation:  Seed

Native range:  India and Sri Lanka; Indonesia, Malaysia, New Guinea and the Philippines; Australia (Queensland); Taiwan (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		Bishop Museum (U.S.A. Hawaii. Honolulu.) (1986) (voucher ID: BISH 506401) Taxon name on voucher: Maytenus emarginata (Willd.) Ding Hou
New Guinea (Indonesia and Papua New Guinea) New Guinea Island	New Guinea Island	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Philippines Philippine Islands	Philippine Islands	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)

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. (2011)
Malaysia Malaysia	Malaysia (country of)	native	U.S. Dept. Agr., Agr. Res. Serv. (2011)
Taiwan Taiwan	Taiwan Island	native	Zhengyi, Wu/Raven, Peter H./Deyuan, Hong (2011)

Additional information:
Additional online information about Gymnosporia emarginata is available from the Hawaiian Ecosystems at Risk project (HEAR).

Information about Gymnosporia emarginata as a weed (worldwide references) may be available from the Global Compendium of Weeds (GCW).

Taxonomic information about Gymnosporia emarginata may be available from the Germplasm Resources Information Network (GRIN).

References:

Bishop Museum (U.S.A. Hawaii. Honolulu.). 1986. Voucher specimen #BISH506401(Lau, J. 2750).

U.S. Dept. Agr., Agr. Res. Serv. 2011. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.

Zhengyi, Wu/Raven, Peter H./Deyuan, Hong. 2011. Flora of China (online resource).