(Last Modified On 1/30/2013)
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(Last Modified On 1/30/2013)
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Genus
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CORCHORUS L.
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PlaceOfPublication
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Sp. P1. 529. 1753
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Reference
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Gen. P1. ed. 5, 234. 1754.
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Synonym
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Antichorus L., Syst. Nat. ed. 12, 2: 264. 1767, Mant. P1. 9. 1767. Caricteria Scop., Intr. Hist. Nat. 104. 1777. Maerlensia Vell., Fl. Flum. 231. 1825. Ganja Reichenb., Handb. Nat. Pflanzens. 303. 1837.
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Description
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Herbs, undershrubs or shrubs, the pubescence of simple or stellate hairs. Leaves alternate, petiolate, 2-stipulate, the stipules small and bristle-like, the blade serrate, palminerved. Flowers small, oppositifolious or axillary, solitary or geminate or 3-nate, hermaphrodite, actinomorphous, pedicellate, bracteolate; calyx valvate, the sepals 4-5, free, deciduous; petals 4-5, free, generally imbricate, glandless; stamens numerous or rarely twice the number of the sepals, the filaments inserted on a short torus, free or more or less long-connate; anthers 2-thecate, introrse, medifixus, versatile, longitudinally dehiscent; ovary superior, sessile, 2- to 5-celled (1-celled in bud), each cell many-ovulate; style simple; stigma densely papiliate. Capsules chartaceous to coriaceous, elongated, silique-like and smooth, or short, subglobose and muricate, loculicidally 2- to 5-valvate, sometimes internally trans- versely septate; seeds numerous, small, pendulous or horizontal, albuminous; em- bryo generally curved; cotyledons cordate, foliaceous.
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Habit
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Herbs, undershrubs or shrubs
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Distribution
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A genus of about 30 species distributed throughout the tropics. Two asiatic species, C. olitorius L. and C. capsularis L., are cultivated in many tropical countries for the important fibre, jute. Only three species occur in Panama and one or two others grow in Central America.
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Key
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a. Ovary and capsule 2-celled. b. Leaves hirsute on both sides; sepals long-hirsute without, glabrous within; capsule caudate-acuminate at the apex, ca. 3 cm. long, more or less densely long-hirsute; herb ...... ............ 1. C. HIRTUS bb. Leaves glabrous or nearly so on both sides; sepals glabrous; capsule acute with 4 minute teeth at the apex, 3.8-6 cm. long, inconspicuous puber- ulous; small shrub 2. C. SILIQUOSUS aa. Ovary 3-celled; capsule 3-celled, long-caudate-acuminate at the apex, 3-6 cm. long, glabrous or nearly so 3. C. ORINOCENSIS
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