Family - Indian Society of Weed Science

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Habit : Stem : Leaves : Flowers : Fruits : Seeds : 312 Striga asiatica (L.) Kuntze. Common Name : Witch weed. Family : Orobanchaceae An annual obligate hemiparasite, 15-20 cm tall. Green, square in cross section, 1-2.5 mm in diameter. Under ground stems are round with scale like leaves and white, but turn blue when exposed to air. The roots are succulent, round, without root hairs, and found attached to the host root system. Opposite, narrow; each pair born at right angle to the preceding one. Variously colored, white, purple, pink or red; born in opposite pairs or alternately in terminal leafy inflorescence. Loculicidal capsule, black, ellipsoid, 0.4-2 mm, two valved. Elliptic, ovate, oblong, ocassionally D-shaped, triangular, rhombic or irregular; dust like, 0.2 - 0.6 mm long, 0.1 - 0.3 mm wide and thick. Orange to golden brown or light to dark brown or gray to blackish. Weed ID Manual
Habit : Stem : Leaves : Flowers : Fruits : A small, erect annual herb. Synedrella nodiflora (L.) Gaertn. 25-50 cm tall with grooved stems. Opposite, broadly ovate-elliptic, hairy. Common Name : Cinderella weed Family : Asteraceae Flower heads yellow, heterogamous, sessile, axillary and between forks of branches. Achenes black, ribbed; pappus of 2-3 bristly awns. Weed ID Manual 313
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Citation : Naidu, V.S.G.R. 2012, Ha
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Man has selected his food crops fro
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Leaf shapes Cordate Deltoid Ellipti
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Abelmoschus ficulneus (L.) Wight &
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Cyanotis cristata (Linn.) D. Don 11
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Mimosa invisa C. Mart. 229 Mimosa p
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ACANTHACEAE Andrographis paniculata
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Cleome monophylla L. 87 Cleome visc
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Phaseolus trilobus (L.) Aiton & auc
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Echinochloa colona (L.) Link. 139 E
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Aculeate : Covered in prickles. Acu
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Denticulate : Finely dentate. Depre
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Mucro : A stiff or sharp, short pro
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Rosette : A tuft of leaves or other
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Common Name : Native rosella Family
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Habit: Perennia vine. Stem: Hirsute
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Family - Indian Society of Weed Science

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