Family - Indian Society of Weed Science

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Habit : Stem : Leaves : Flowers : Fruits : Seeds : 318 Trichodesma indicum (L.) R. Br. An erect, spreading, branched, annual herb. Common Name : Indian borage Family : Boraginaceae About 50 centimeters in height, with hairs springing from tubercles. Stalkless, opposite, lanceolate, 2 to 8 centimeters long, pointed at the tip, and heartshaped at the base. The flowers occur singly in the axils of the leaves. The flower tube is pale blue, with the limb about 1.5 centimeters in diameter, and the petals pointed. The fruit is ellipsoid, and is enclosed by the calyx. The nutlets 4, about 5 mm long, and rough on the inner surface, smooth and polished on the back; greyish white. Weed ID Manual
Habit : Stem : Leaves : Flowers : Fruits : Seeds : Trichodesma zeylanicum (Burm f.) R. Br. Common Name : Camel bush Family : Boraginaceae Densely bristly-hairy annual or perennial herb or shrub . 1m high, smooth to hispid; taproot welldeveloped. Stem and twigs clothed in white scabrous hairs. Basal leaves opposite, becoming alternate up stem; lamina linear-oblong to narrow-ovate, 3.5–10.5 cm long, 7–20 mm wide, apex acute, surfaces hispid. 15–20 mm diameter, blue, rarely white. The fruit is ellipsoid, and is enclosed by the calyx. Calyx lobes ovate or rounded at the base. Nutlets 4; 4-5 mm long, outer surface smooth and mottled, inner surface wrinkled, grey, dotted, brown on dorsal surface. Weed ID Manual 319
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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 : Stem : Leaves : Flowers : F
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Habit: Perennia vine. Stem: Hirsute
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Habit: Culm: Leaves: Flowers: Fruit
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Family - Indian Society of Weed Science

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