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!Corchorus L. Search in The Plant ListSearch in IPNISearch in Australian Plant Name IndexSearch in Index Nominum Genericorum (ING)Search in NYBG Virtual HerbariumSearch in JSTOR Plant ScienceSearch in SEINetSearch in African Plants Database at Geneva Botanical Garden Decrease font Increase font Restore font
 

Published In: Species Plantarum 1: 529. 1753. (1 May 1753) (Sp. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

 

Project Name Data (Last Modified On 6/2/2011)
Acceptance : Accepted
Project Data     (Last Modified On 6/3/2011)
General/Distribution: About 100 species; distributed in the tropics and subtropics.

 

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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.
 

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1 Leaf blade without setose or filiform appendages at the base (2)
+ Leaf blade with setose or filiform appendages at the base (6)
2 (1) Perennial, prostrate. Carpels 4. Capsule 4-loculed Corchorus depressus
+ Annual, erect or suberect. Carpels 3. Capsule 3-loculed (3)
3 (2) Sepals neither hooded nor awned at the apex. Shoots glabrous or pubescent. Capsule winged (4)
+ Sepals hooded, awned at the apex. Shoots pilose. Capsule 3-winged Corchorus aestuans
4 (3) Cyme lax, 1-3-flowered. Flowers 1-1.2 cm across. Capsule 1.5-6.8 cm long, glabrous (5)
+ Cyme fasciculate, 2-5 (-8)-flowered. Flowers 5-6 mm across. Capsule not more than 1.5 cm long, pubescent Corchorus fascicularis
5 (4) Shoots pubescent. Stamens 15-20. Capsule scabrous, tuberculate, beak undivided
+ Shoots glabrous. Stamens 10-15. Capsule smooth, cylindrical, bead divided into 3 spreading bifid tips Corchorus tridens
6 (1) Capsule elongated, beaked at the apex (7)
+ Capsule subglobose-globose, beakless and depressed at the apex Corchorus capsularis
7 (6) Sepals neither hooded nor awned at the apex. Shoots glabrous or pubescent. Capsule not winged (8)
+ Sepals hooded and awned at the apex. Shoots pilose. capsule 3-winged Corchorus aestuans
8 (7) Stamens 15-20 or more. Beak of the capsule straight, undivided (9)
+ Stamens 10-15. Beak of the capsule divided into 2 spreading bifid tips Corchorus tridens
9 (8) Leaves obpandurate, oblique at the base, abruptly narrowed above middle. Flowers ebracteate. Capsule cylindrical, neither sulcate nor triangular Corchorus pseudo-olitorius
+ Leaves linear-lanceolate to ovate or elliptic-obovate. Flowers bracteate. Capsule sulcate or triangular (10)
10 (9) Stamens 15-20. Carpels 3. Capsule triangular, 3- loculed, c. 2.5 mm across
+ Stamens numerous (more than 20). Carpels 5. capsule 10-angled, sulcate, 5-loculed, c. 4-5 mm across Corchorus olitorius
 
 
 
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