Pacific Island Ecosystems at Risk (PIER)

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Corchorus trilocularis
(Retz.) E. Walker, Malvaceae
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Present on Pacific Islands?  yes

Primarily a threat at high elevations?  no

Common name(s): [more details]

Chinese: san shi huang ma

English: native jute, three locule corchorus, wild jute

Habit:  herb


Genus: "Flowers in leaf-opposed,  one- to several-flowered cymes, 5-merous, perfect; sepals free, oblong-lanceolate, widened towards apex, more or less cucullate at apex, mucronate (mucro erect), (nearly) glabrous; petals more or less as long as calyx, spathulate, with sort, ciliate claw, otherwise glabrous, yellow; bynandrophore present or not, (in Java) cup-shaped, crenate along the margins; stamens numerous, all fertile, glabrous; filaments filiform; anthers dorsifixed, more or less oval, laterally dehiscent by length slits; ovary (2-) 3-6-celled, pubescent; cells many-ovuled; style thickish, terete, glabrous; stigma cup-shaped, fimbriate, capsule erect, globose or linear, loculicidally 3-6-valved; cells many-seeded; seeds exalate, angular, separated by septa or ridges.  Leaves spirally arranged or more or less distichous, herbaceous, serrate; one or two lowest teeth often enlarged, subulate; stipules present.  Herbs or shrubs." 

Species:  "Ovary oblong-linear; fruit much longer than broad; seeds 1-2 mm through.  Leaves with rounded-obtuse base; petiole pubescent (especially) above, otherwise (nearly) glabrous. Fruit erostrate or very obscurely and shortly beaked, wingless, finely warty, at first each wart provided with short, rigid, erecto-patent, finally caducous stellate hair, 3 (-4)-celled, shallowly longitudinally grooved, 2 3/4 - 7 cm long; seeds separated by dissepiments; sepals more or less 1 cm long; petals 7-8 mm; stamens 5-6 mm; style 1 1/2 - 2 1/2 mm.  Branchlets with band of hairs; leaves ovate-oblong, obtuse, glabrous above, sparsely pubescent on the nerves beneath, 2-7 1/2 cm by 3/4 - 3 1/2 cm; petiole 1/2 - 2 cm  Erect, little-branched."  (Backer and Bakhuizen van den Brink, 1963; p. 390).

Habitat/ecology:  In New Caledonia, "mauvaise herbe peu commune" (MacKee, 1994; p. 135). In Java, in waste fields, arable lands grown with a second crop, grassland (Backer and Bakhuizen van den Brink, 1963; p. 390).

Propagation:  Seed

Native range:  Africa, Middle East, South Asia, exact native range obscure (GRIN).


Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
Tassin, Jacques (2005)
New Caledonia
New Caledonia Archipelago
Île Grande Terre introduced
MacKee, H. S. (1994) (p. 135)
Vouchers cited: Blanchon 271 (NOU), MacKee 11930, MacKee 24792, Guinaudeau in MacKee 30104, Cherrier in MacKee 40315

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This page was created on 1 JAN 1999 and was last updated on 16 MAR 2013.