Malvaceae & Euphorbiaceae characteristics and plants list

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Malvaceae & Euphorbiaceae characteristics and plants list


Cronquist put the family Malvaceae under the order Malvales, sub-class Dilleniidae and the class Magnoliopsida
Habitatherbs or shrubs with watery mucilage
Stemwith stellate hairs shaped
Leavesalternate, simple with free lateral stipules
Floweractinomorphic, bisexual, pentamerous, hypogynous.

Calyx- sepals 5, gamosepalous often with epicalyx

Corolla- petals 5, polypetalous,
adnate below to a staminal column, twisted.
stamens many, United in bundle, monadelphous, epipetalous, anther celled reniform,
Extrorse, pollen grains large, and spiney.
Gynoeciumcarpel 5 to many, syncarpous, ovary superior, style one, pushing through a hollow staminal column and divided at the top into as many branches as there are carpels, each branch ending into a stigma, placentation axile.
Fruitcapsule or schizocarpic capsule.
Plants list (Economically important plants)
NameGossypium herbaceum
Partsseed coat
Usesthe cotton fiber of commerce
NameHibiscus cannabinus
Usesfiber substitute for jute
NameAbelmoschus esculentus
NamesHibiscus hirsutum
Usesthe oil that is hydrogenated to vanaspati
Tree membersThespesia populnea

Hibiscus tiliaceus

Woody herbAbutilon hirtum
Malvaceae & Euphorbiaceae characteristics and plants list


Malvaceae & Euphorbiaceae characteristics and plants list
Systematic position
Bentham and Hooker placed the Euphorbiaceae as a natural order under the series unisexuales subclass monochlamydae and the class dicotyledons.
Plantherbs, shrubs, or trees with milky and watery latex
Leavesalternate or opposite, simple, stipulate
Inflorescenceraceme and spike, cymose, panicle or cyathium
Flowerunisexual, incomplete, actinomorphic
Perianth5 in number, sepaloid, much reduced, free or partially connate
Androeciumthe stamen in male flower one to numerous
Gynoeciumin female flowers carpels 3, syncarpous, ovary superior, 3 chambered; ovules pendulous with a ventral raphe, style 3, stigma 3 or 6; placentation axile.
Fruitsehizocarpic capsule
SeedAlbuminous, carunculate.
Carunclea fleshy structure attached to the seeds helps in dispersal by ants. ( Lipid or protein )
Plants list (Economically important plant)
PlantHevea brasiliensis
Usesrubber ( para rubber )
PlantManihot glaziovii
PlantEmblica officinalis
PlantsRicinus communis
Usescastor oil
PlantsManihot esculanta
Partstuberous root
Usesthe source of starch (tapioca used as food)
HerbsIragia sp.

Acalypha indica

ShrubsRicinus communis

Jatropha gossypiifolia

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