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Common name: Caesarweed
Botanical name: Urena lobata Family: Malvaceae (mallow family)

Caesarweed (Urena lobata Linnaeus) is a member of the Malvaceae, the mallow family, having pink flowers like miniature hollyhocks. As a pantropical weed, it is uncertain where caesarweed originated. It has been placed in South America, Florida, and even Australia, but many taxonomists now believe it evolved somewhere in Asia.

Caesarweed grows to 2 meters (6 feet) in height. The lobed leaves are covered in stellate trichomes (star-shaped plant hairs) which give the leaves a grayish color and raspy feel. The derivation of the common name is uncertain, but may have come from the Latin caesius "bluish-gray" or caesariatus "covered in hair".

The ovary of the flower is five-carpellate. If pollinated, each carpel or chamber will produce a seed. The fruit, about a centimeter in diameter, is a flattened globe and dries when mature. It snaps easily from the plant and each of the five wedge-shaped mericarps separate. The outer surface of each mericarp is covered with glochids, minute hooked spines that cling to fabrics and fur and tangle in hair.


Although caesarweed is considered a nuisance species in many areas, it is cultivated in Brazil and the Congo. The plant is grown for its bast fibers—long, narrow cells produced in the phloem tissue. Bast fibers are tough and flexible and serve to support the plant. Caesarweed fibers, called "aramina" in Brazil and "Congo jute" in Africa, are strong and lustrous and used to make burlap, sacking, and twine.

Tags:   pink flower nature miniature hollyhocks Caesarweed lobed bluish-gray covered in hair five-carpellate nuisance aramina Jasbir Singh Me the Wanderer Nikon Closeup Macro Ludhiana Punjab India Explore #422 NaturesFinest

N 0 B 501 C 5 E Jan 10, 2010 F Jan 10, 2010
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Tags:   Light Leaves Plants Ludhiana

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Explore #302

Tags:   Pink Flower Flor Mum Chrysanthemum Ludhiana Punjab India Jasbir Singh Me the Wanderer

N 11 B 564 C 27 E Feb 9, 2008 F Feb 9, 2008
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Tags:   Flower Flowers Flor Pink Mum Chrysanthemum Nature Garden

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Tags:   Flower Flowers Flor Red yellow green closeup Macro Nikon Ludhiana Punjab India Jasbir Singh Me the Wanderer


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