Tuesday, 28 May 2019

Plant Description of Papaveraceae

Plant Description of Papaveraceae


PAPAVERACEAE

Papaver rhoeas  Linn.
Habit. Herb.
Stem. Herbaceous, aerial, erect, cylindrical, rarely branched, fistular, hairy, green, milky latex present.
Leaf. Alternate, exstipulate, simple, sessile, amplexicaul, lobed, upper leaves not lobed, lobes serrate, hairy,
unicostate. reticulate.
Inflorescence. Solitary terminal.
Flower. Ebracteate, pedicellate, complete, actinomorphic, hermaphrodite, dimerous, hypogynous and cyclic.
Calyx. Sepals  2,  polysepalous, anterior-posterior, caducous, hairy.
Corolla. Petals  4,  arranged in two whorls of 2 each, polypetalous, crumpled in the bud.
Androecium. Stamens are indefinite, polyandrous, dithecous, basifixed, extrorse.
Gynoecium. Polycarpellary, syncarpous, ovary superior, unilocular, ovules many, placentation parietal, style
absent, stigma hood-like.
Fruit. Capsule.
Floral formula. 

Classification and identification.
Class.  Dicotyledonae·
1.  Venation reticulate.
2.  Flowers pentamerous.
Sub-Class.  Polypetalae
1.  Petals free.
Series.  ThalamijIorae
1.  Flowers hypogynous and ovary superior.
Order.  Parietales
1.  Carpels united to form unilocular ovary with parietal placentation.
Family.  Papaveraceae
1.  Herbs with alternate exstipulate leaves and latex.
2.  The calyx is caducous.
3.  Flower actinomorphic and di-or trimerous with extrorse stamens.
4.  Gynoecium 2-6 carpellary; fruit capsule.



1.  English name.  Com poppy.
2.  Vernacular name.  Lal post.
3.  Economic importance.  Besides being grown as an ornamental, the milk of the fruits is narcotic and light sedative.

Eschscholzia californica Cham.
Habit.  Herb.
Root.  Branched taproot.
Stem. Herbaceous, aerial, angular, branched, solid, glabrous and green.
Leaf. Cauline  and  Ramal, alternate, exstipulate, simple, much dissected, sessile, leaf-base sheathing, acute,
glabrous, unicostate, reticulate.
Inflorescence. Solitary axillary.
Flower. Ebracteate, pedicellate, complete, actinomorphic, hermaphrodite, dimerous, perigynous and cyclic.
Calyx. Sepals  2,  raised on the cup-like projection of floral axis and fused together to form a cap over petals, caducous.
Corolla. Petals 4 (2  +  2), polypetalous, imbricate, yellow.
Androecium. Stamens indefinite, polyandrous,s arranged at  the  brim  of  the  cup, filaments short, dithecous,
basiflXed, extrorse.
Gynoecium. Bicarpellary, syncarpous, ovary semi-inferior, unilocular with parietal placentation, style short, stigma  2, each is gifted and linear; out of the 2 portions of stigma, one is shorter than the other.
Fruit.  Capsule.
Floral formula.  

Classification and identification.
Class.  Dicotyledonae
1.  Venation reticulate.
2.  Flowers pentamerous.
Sub-Class.  Polypetalae
1. Petals free.
Series.  Thalar.nU70rae
1.  Flowers hypogynous and ovary superior.
Order.  Parietales
1.  Carpels united to form a unilocular ovary with parietal placentation.
Family.  Papaveraceae
1.  Herbs with alternate exstipulate leaves and latex.
2.  The calyx is caducous.
3. Flowers actinomorphic and di-or trimerous with extrorse stamens.
4.  Gynoecium  2-16  carpellary; fruit capsule:



1.  English name.  California poppy.
2.  Vernacular name.  Peeli poppy.
3.  Economic importance.  Grown as an ornamental.

Argemone mexicana  Linn.
Habit.  A spicy herb.
Stem.  Herbaceous,  aerial, erect, cylindrical, gralloched, solid, spiny, green, yellow latex present.
Leaf. Cauline  and  Ramal, alternate, exstipulate, simple, sessile, semi-amplexicaul, margin  much  dissected  and
spinous, acute, surface spiny, unicostate reticulate.
Inflorescence. Solitary axillary.
Flower.  Ebracteate,  pedicellate, complete, actinomorphic, hermaphrodite, trimerous, hypogynous and cyclic.
Calyx. Sepals 3, polysepalous, imbricate or twisted, highly caducous, spiny, slightly boat-shaped.
Corolla.  Petals 6, in two whorls of 3 each, polypetalous, imbricate, yellow.
Androecium. Stamens indefinite, polyandrous, filaments long and yellow, dithecous, basifixed, extrorse.
Gynoecium. Tetra- to  hexacarpellary, syncarpous, ovary superior, covered with spines, unilocular, ovules
many, placentation parietal, style reduced,  stigma hood-like.
Fruit.  Capsule.
Floral formula. 

Classification and Identification.
Class.  Dicotyledonae
1.  Venation reticulate.
2. Flowers pentamerous.
Sub-Class.  Po/ypetalae
1.  Petals free.
Series.  Thalamif10rae
1.  Flowers hypogynous and ovary superior.
Order.  Parietales
1.  Carpels united to form unilocular ovary with parietal placentation.
Family.  Papaveraceae
1.  Herbs with alternate exstipulate leaves and latex.
2. The calyx is caducous.
3. Flowers actinomorphic and di-or trimerous with extrorse stamens.
4. Gynoecium 2-16 carpellary; fruit capsule.



1.  English names.  Mexican prickly poppy,  Mexican thistle.
2.  Vernacular names.  Peeli Kataifi, Bharbhanda, Shailkanta.
3.  Economic importance.  The seeds yield an oil which is illuminant and lubricant, often used as an adulterant to mustard oil.
The toxic properties of the oil are harmful to man.  In u.P., the plant is being used to reclaim 'user' land.

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