NAME

Ambrosia artimesifolia L.
NAME :	Ambrosia artimesifolia L.
FAMILY :	Asteraceae
LOCALITY :	North east India
ALLERGENIC SEASON :	Rainy season (July - August); Autumn (Sept.-Oct.)

Distribution :Through out India.

POLLEN TYPE :

Oblate spheroidal, tricolporate

SCULPTURAL TYPE :

Subechinate

SIZE IN μ	Pollen	Lumina	Muri	Sculptural element	Col.
SIZE IN μ	18.0(19.3-16.2)x 20.4 (17.9-21.3) μm	-	-	Granular, beset with very short blunt spines, 1.7 – 3.4 μm apart	-

POLAR / EQUATORIAL RATIO :

0.88 ( 1.07 – 0.76 )

APOCOLPIUM :

APERTURE		Form	Delimitation	Structure	No. of Aperture	Size / μ
	Ecto.	Colpus, Tapering	Distinct	One in the middle of each furrow, almost filling it, membrane smooth	3	4.0 x 1.6 μm
	Endo.	Porate, circular	”	-	”	1.6-2 μm

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Cannabis sativa L.
NAME :	Cannabis sativa L.
FAMILY :	Cannabinaceae
LOCALITY :	Kolkata & suburbs
ALLERGENIC SEASON :	Rainy season, autumn (June – September)

Distribution :Through out India. ( U P, W.B., Orissa, T.N., Maharashtra, M P )

POLLEN TYPE :

Spherical, sometimes suboblate to oblate; triporate

SCULPTURAL TYPE :

Scabrate

SIZE IN μ	Pollen	Lumina	Muri	Sculptural element	Col.
SIZE IN μ	22 – 26 μm	-	-	Scabrate, exine 1μm, intine relatively thin, much thickened oncus	-

POLAR / EQUATORIAL RATIO :

APOCOLPIUM :

APERTURE		Form	Delimitation	Structure	No. of Aperture	Size / μ
	Ecto.	Porus	Distinct, circular	Slightly aspidate with oncus below granular	3	± 6 μm
	Endo.	”	”		”	"

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Ipomoea purpurea Urb.
NAME :	Ipomoea purpurea Urb.
FAMILY :	Convolvulaceae
LOCALITY :	Kolkata & suburbs
ALLERGENIC SEASON :	Rainy season, Autumn ( July – November)

Distribution :Through out India.

POLLEN TYPE :

Spheroidal , pantoporate

SCULPTURAL TYPE :

Crassinexinous & spinulate

SIZE IN μ	Pollen	Lumina	Muri	Sculptural element	Col.
SIZE IN μ	75 – 84 μm	-	-	Echinate, exine 4.5 - 5μm thick, spines 10 – 12 μm long, breadth at base 4-5μm, bulbous & broad at base, gradually tapering towards apex, tip blunt. Surface ornamentation finely reticulate.	-

POLAR / EQUATORIAL RATIO :

0.88 ( 1.07 – 0.76 )

APOCOLPIUM :

APERTURE		Form	Delimitation	Structure	No. of Aperture	Size / μ
	Ecto.	Porus	Distinct	Circular	Many	4.5 x 5 μm
	Endo.	”	”	"	”	"

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Typha angustifolia L.
NAME :	Typha angustifolia L.
FAMILY :	Typhaceae
LOCALITY :	Kolkata and suburbs
ALLERGENIC SEASON :	Rainy season, Autumn (June - September)

Distribution :Through out India.

POLLEN TYPE :

Spheroidal , uniporate

SCULPTURAL TYPE :

Reticulate, retipilate

SIZE IN μ	Pollen	Lumina	Muri	Sculptural element	Col.
SIZE IN μ	32 (range: 23 - 35.5) μm	-	-	Exine 2.5μm thick, retipilate, thicker around pore, ±3μm thick, sexine thicker than nexine	-

POLAR / EQUATORIAL RATIO :

APOCOLPIUM :

APERTURE		Form	Delimitation	Structure	No. of Aperture	Size / μ
	Ecto.	Porus	Distinct	Circular, operculate, margin faintly defined, uneven	1	4.5 μm
	Endo.	”	”	"	”	"

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Chenopodium album L.
NAME :	Chenopodium album L.
FAMILY :	Chenopodiaceae
LOCALITY :	Kolkata & suburbs
ALLERGENIC SEASON :	Winter (November – January)

Distribution :Through out India.

POLLEN TYPE :

Spheroidal, pantoporate

SCULPTURAL TYPE :

Finely granular

SIZE IN μ	Pollen	Lumina	Muri	Sculptural element	Col.
SIZE IN μ	25.8 (21.3-28.9) μm	-	-	Finely granular,ectexine thicker than endexine; intine thin	-

POLAR / EQUATORIAL RATIO :

APOCOLPIUM :

APERTURE		Form	Delimitation	Structure	No. of Aperture	Size / μ
	Ecto.	Porus	Distinct	Margin smooth, operculum 1.5 μm dia	50-70	2.5 μm
	Endo.	"	”	-	”	"

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Xanthium strumarium L.
NAME :	Xanthium strumarium L.
FAMILY :	Asteraceae
LOCALITY :	Kolkata & suburbs
ALLERGENIC SEASON :	Autumn (September – October)

Distribution :Through out India in plains.

POLLEN TYPE :

Spheroidal or oblate spheroidal; trizonocolporate

SCULPTURAL TYPE :

Scabrate to microechinate, echinae situated on polygonal cushion bases

SIZE IN μ	Pollen	Lumina	Muri	Sculptural element	Col.
SIZE IN μ	26(28.7)31 x 29(31.25)36 μm	-	-	Scabrate to microechinate; exine 3(3.7) 4.25μm; ektexine 2(2.2) 2.5μm, tectum 1.25(1.5)1.75 μm, undulating endexine ≤0.5 μm thick	-

POLAR / EQUATORIAL RATIO :

0.89 (0.91) 0.86

APOCOLPIUM :

Not distinct, 12(13.7)17 μm across

APERTURE		Form	Delimitation	Structure	No. of Aperture	Size / μ
	Ecto.	Colpus, tapering	Distinct,	Narrowly elliptic, sides tapering towards apocolpia tips acute, ora distinct, narrowly elliptic, equatorially elongated	3	5.25(6.9)10.5 μm long, 2(2.4)3 μm wide at equator
	Endo.	Porate, Circular	”	-	”	± 2.5 μm

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Argemone mexicana L.
NAME :	Argemone mexicana L.
FAMILY :	Papavaraceae
LOCALITY :	Kolkata & suburbs
ALLERGENIC SEASON :	Winter, Spring, Summer (November – May)

Distribution :Through out India.

POLLEN TYPE :

Oblate spheroidal, trizonocolpate

SCULPTURAL TYPE :

Reticulate

SIZE IN μ	Pollen	Lumina	Muri	Sculptural element	Col.
SIZE IN μ	31(33.5)36 x 34(37)40 μm	Linear 1-2.5 μm	1.5-2.5 μm	Reticulate, exine 2.25 (2.8) 4.5 μm thick, ektexine 1(1.5)2μm thick, endexine 1.25(1.9) 2.5μm thick	-

POLAR / EQUATORIAL RATIO :

0.91 (0.90) 0.9

APOCOLPIUM :

3 (6.2) 10.5 μm across

APERTURE		Form	Delimitation	Structure	No. of Aperture	Size / μ
	Ecto.	Colpus	Distinct	Colpi narrowly elliptic, sides tapering, tips acute	3	29(29.5)30 x 3.25(4.5) 5.25 μm
	Endo.	”	”	-	”	"

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Helianthus annuus L.
NAME :	Helianthus annuus L.
FAMILY :	Asteraceae
LOCALITY :	Cultivated
ALLERGENIC SEASON :	Spring (February – April); Autumn (Sept. -Oct.)

Distribution :Cultivated

POLLEN TYPE :

pv : rounded triangular; ev : circular ovate; tricolporate

SCULPTURAL TYPE :

Spinulate / echinate

SIZE IN μ	Pollen	Lumina	Muri	Sculptural element	Col.
SIZE IN μ	35.2 (34 – 36) x38.9 (37 – 41) μm	-	-	Exine echinate / spinulate, thin, spines 5μm long ; intine protrudes underneath pori	-

POLAR / EQUATORIAL RATIO :

0.90 (0.91 – 0.87)

APOCOLPIUM :

APERTURE		Form	Delimitation	Structure	No. of Aperture	Size / μ
	Ecto.	Colporate	Distinct	-	3	17 x 3.5 μm
	Endo.	Porate, circular	”	-	”	3.5 - 4 μm

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Gossypium hirsutum L.
NAME :	Gossypium hirsutum L.
FAMILY :	Malvaceae
LOCALITY :
ALLERGENIC SEASON :	Summer

Distribution :Cultivated mainly in Panjab, Tamil Nadu, Maharashtra & M P

POLLEN TYPE :

Spheroidal, colporate

SCULPTURAL TYPE :

Rugulose

SIZE IN μ

Pollen

Lumina

Muri

Sculptural element

Col.

Dia. 78 – 88 μm

exine 3 – 4.5 μm, sexine as thick as nexine; tectum rugulose; spines long, apices pointed, base bulbous, sparsely distributed

columellae long, rod like, thicker in lower part, elongated near and beneath bases of spine

POLAR / EQUATORIAL RATIO :

APOCOLPIUM :

APERTURE		Form	Delimitation	Structure	No. of Aperture	Size / μ
	Ecto.	Colporate	Distinct	Pantoporate, colporate, costate	22 - 45	4 μm
	Endo.	Porate, circular	”	"	”	4 μm