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Corchorus Linn., Sp. P1. 529. 1753. Gen. Pl. ed. 5.234. 1754; D.C., Prodr. 1:504. 1824; Benth. & Hook. f., Gen. Pl. 1:235. 1862; Masters in Hook. f., Fl. Brit. Ind. 1: 396.1874; Ghakravarty, H. L. in Bull. Bot. Soc. Bengal 15:75-86. 1953; Hutch., Gen. Fl. Pl. 2: 482.1967.
Antichorus Linn.
Herbs or undershrubs, rarely shrubs, with simple and stellate hairs. Leaves petiolate, alternate, serrate, stipulate. Inflorescence an axillary or antiphyllous, 1-5 (-8)- flowered, shortly pedunculate cyme. Flowers small, subsessile or shortly pedicellate, tetra or pentamerous, bracteate. Sepals 5, rarely 4, free, valvate. Petals 5, rarely 4, free, mostly imbricate, neither pitted nor glandular at the base. Stamens 8-20 or many, free, anthers versatile. Carpels 2-5, syncarpous; ovary superior, 2-5-loculed, each locule many ovuled; style simple, stigma simple, papillate, undulate or crenate. Capsule elongate, linear-oblong or sub-globose and muricate, 2-5-loculed, locules aseptate or transversely septate between the seeds, loculicidally dehiscent. Seeds pendulous or horizontal, endospermous, embryo curved with cordate, foliaceous cotyledons.
About 100 species; distributed in the tropics and subtropics.
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| 1 |
Leaf blade without setose or filiform appendages at
the base |
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(2) |
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Leaf blade with setose or filiform appendages at the base |
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(6) |
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| 2 (1) |
Perennial, prostrate. Carpels 4. Capsule 4-loculed |
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Corchorus depressus |
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Annual, erect or suberect. Carpels 3. Capsule 3-loculed |
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(3) |
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| 3 (2) |
Sepals hooded, awned at the apex. Shoots pilose. Capsule 3-winged |
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Corchorus aestuans |
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Sepals neither hooded nor awned at the apex. Shoots
glabrous or pubescent. Capsule winged |
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(4) |
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| 4 (3) |
Cyme fasciculate, 2-5 (-8)-flowered. Flowers 5-6 mm
across. Capsule not more than 1.5 cm long, pubescent |
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Corchorus fascicularis |
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Cyme lax, 1-3-flowered. Flowers 1-1.2 cm across. Capsule 1.5-6.8 cm long, glabrous |
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(5) |
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| 5 (4) |
Shoots glabrous. Stamens 10-15. Capsule smooth,
cylindrical, bead divided into 3 spreading bifid tips |
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Corchorus tridens |
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Shoots pubescent. Stamens 15-20. Capsule scabrous, tuberculate, beak undivided |
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Corchorus trilocularis* |
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| 6 (1) |
Capsule subglobose-globose, beakless and depressed at
the apex |
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Corchorus capsularis |
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Capsule elongated, beaked at the apex |
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(7) |
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| 7 (6) |
Sepals hooded and awned at the apex. Shoots pilose.
capsule 3-winged |
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Corchorus aestuans |
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Sepals neither hooded nor awned at the apex. Shoots
glabrous or pubescent. Capsule not winged |
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(8) |
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| 8 (7) |
Stamens 10-15. Beak of the capsule divided into 2
spreading bifid tips |
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Corchorus tridens |
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Stamens 15-20 or more. Beak of the capsule straight,
undivided |
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(9) |
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| 9 (8) |
Leaves obpandurate, oblique at the base, abruptly
narrowed above middle. Flowers ebracteate. Capsule
cylindrical, neither sulcate nor triangular |
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Corchorus pseudo-olitorius |
| + |
Leaves linear-lanceolate to ovate or elliptic-obovate. Flowers bracteate. Capsule sulcate or triangular |
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(10) |
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| 10 (9) |
Stamens 15-20. Carpels 3. Capsule triangular, 3-
loculed, c. 2.5 mm across |
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Corchorus trilocularis* |
| + |
Stamens numerous (more than 20). Carpels 5. capsule
10-angled, sulcate, 5-loculed, c. 4-5 mm across |
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Corchorus olitorius |
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Lower Taxa
Related Synonym(s):
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