Wild plants of Chandigarh – Specimen 5 (Chickweed )
Feb 08, 2019 • 11:26 PM UTC
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samriti dhawan
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Common name – Chickweed
Botanical name – Stellaria media
Family – Caryophyllaceae
Collection site – Sector 32, Chandigarh
Habitat – Common chickweed is a
very common annual weed of lawns and fields.
Habit – Winter annual herb
Stem – Erect, branched, herbaceous,
green, pubescent bearing a single row of hairs on alternating sides
Leaves – Opposite decussate, simple,
ovate-elliptic, acute or shortly acuminate, petiole of lower leaves having a
line of hairs
Inflorescence – flowers solitary or few-flowered, terminal
cymes,
Flower – white, pedicellate,
Calyx – sepals five, usually with
long soft hairs
Corolla – petals five, deeply lobed giving the appearance of 10 petals, white,
Androecium – stamens three to five
Gynoecium – single pistil with three or four styles
Fruit – a many seeded dry ovoid capsule
Seeds – Dark brown, slightly elongated toward the notch at the scar, the
surface covered with conspicuous curved rows of irregular wart-like
projections, marginal projections were more prominent and toothed in
appearance.
Foldscopy – Pollen grains, glandular trichomes and wart-like marginal projections on seeds were observed under foldscope.
Botanical name – Stellaria media
Family – Caryophyllaceae
Collection site – Sector 32, Chandigarh
Habitat – Common chickweed is a
very common annual weed of lawns and fields.
Habit – Winter annual herb
Stem – Erect, branched, herbaceous,
green, pubescent bearing a single row of hairs on alternating sides
Leaves – Opposite decussate, simple,
ovate-elliptic, acute or shortly acuminate, petiole of lower leaves having a
line of hairs
Inflorescence – flowers solitary or few-flowered, terminal
cymes,
Flower – white, pedicellate,
Calyx – sepals five, usually with
long soft hairs
Corolla – petals five, deeply lobed giving the appearance of 10 petals, white,
Androecium – stamens three to five
Gynoecium – single pistil with three or four styles
Fruit – a many seeded dry ovoid capsule
Seeds – Dark brown, slightly elongated toward the notch at the scar, the
surface covered with conspicuous curved rows of irregular wart-like
projections, marginal projections were more prominent and toothed in
appearance.
Foldscopy – Pollen grains, glandular trichomes and wart-like marginal projections on seeds were observed under foldscope.
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