Pacific Island Ecosystems at Risk (PIER)

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Phyllanthus reticulatus
Poir., Phyllanthaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Risk assessment results:  High risk, score: 12 (Go to the risk assessment)

Other Latin names:  Kirganelia reticulata (Poir.) Baill.

Common name(s): [more details]

Chinese: xiao guo ye xia zhu

English: potato-bush

Habit:  shrub

Description:  "Shrubs to 4 m tall, monoecious; branches brownish; young branchlets, leaves, and pedicels yellowish pubescent or puberulent or glabrous. Stipules subulate-lanceolate, brown, 1-3 mm, hard and spiny when dry; petiole 2-5 mm; leaf blade varying in shape, mostly elliptic to ovate, 1-5(-6.5) x 0.7-3 cm, membranous to papery, base obtuse to rounded, apex acute or obtuse to rounded; lateral veins 5-7 pairs, usually prominent on both surfaces. Inflorescence an axillary fascicle, rarely a cyme, with 2-10 male and 1 or 2 female flowers. Male flowers: pedicels delicate, 5-10 mm; sepals 5 or 6, in 2 series, ovate or obovate, unequal, 0.7-1.5 x 0.5-1.2 mm, entire; disk glands 5, scalelike, ca. 0.5 mm wide; stamens 5, erect, 3 with longer filaments coherent in a central column, 2 with shorter filaments, free; anthers triangular, longitudinally dehiscent. Female flowers: pedicels 4-8 mm, delicate; sepals 5 or 6, in 2 series, unequal, broadly ovate, 1-1.6 x 0.9-1.2 mm, puberulent inside at base; disk glands 5 or 6, oblong or obovate; ovary 4-12-celled, smooth; styles free, bifid at apex, lobes linear, revolute and connivent over top of ovary. Fruit a berry, globose to oblate, 4-6 mm wide, black and dark purplish at maturity, 4-12-celled, 8-16-seeded. Seeds trigonous, 1.6-2 mm, brown"  (Flora of China online).

Habitat/ecology:  "Frequently grows along watercourses, but also in scrub and hedges, on waste places, and in mixed evergreen forest.  It is found in India and Taiwan up to 2000 m altitude.  This species is often common in moist places"  (Agroforestree Database).  In China (native), "open forests, scrub; 200-800 m"  (Flora of China online).

Propagation:  Seed

Native range:  Africa; southern and southeastern Asia to Taiwan and the 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
Parker, James L./Parsons, Bobby (2012) (p. 67)
Vouchers cited: J. Parker & R. Parsons BIED141 (BISH), A. Kawasaki s.n. (BISH #50402)
State of Hawaii
Hawaiian Islands
Hawai‘i (Big) Island   Bishop Museum (U.S.A. Hawaii. Honolulu.) (year unknown) (voucher ID: BISH 50402)
Taxon name on voucher: Phyllanthus reticulatus Poir.
State of Hawaii
Hawaiian Islands
Kaua‘i Island   Bishop Museum (U.S.A. Hawaii. Honolulu.) (1989) (voucher ID: BISH 548241)
Taxon name on voucher: Phyllanthus reticulatus Poir.
Papua New Guinea
Papua New Guinea (eastern New Guinea Island)
Papua New Guinea (eastern New Guinea Island)   Bishop Museum (U.S.A. Hawaii. Honolulu.) (1929) (voucher ID: BISH 143997)
Taxon name on voucher: Phyllanthus reticulatus Poir.
Philippines
Philippine Islands
Philippine 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
China
China
Hong Kong native
Wu, Te-lin (2001) (p. 186)
On grassland or in thickets.
Indonesia
Indonesia
Indonesia (Republic of) native
U.S. Dept. Agr., Agr. Res. Serv. (2013)
Japan
Japan
Japan (country) introduced
Mito, Toshikazu/Uesugi, Tetsuro (2004) (p. 186)
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)


Need more info? Have questions? Comments? Information to contribute? Contact PIER! (pier@hear.org)

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This page was created on 1 JUN 2011 and was last updated on 31 JUL 2011.