Transcript Stellaria media

Aphanes microcarpa (belly
plant)
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In the rose family –
Rosaceae
Palmately lobed leaves
Leaves alternate
Cardamine hirsuta
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Brassicaceae
Rosette forming annual
Pinnately compound
leaves
Sausage-like fruit
Little white flowers (4
petals)
Capsella bursa-pastoris
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Brassicaceae: heart-shaped
fruit on stalk
Pinnately lobed leaves
Cerastium glomeratum
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Mouse ear shaped leaves (hairy)
Hairy stems and leaves compared to Stellaria media
Distance between internodes is usually shorter than
Stellaria media
Dichondra carolinensis
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Creeping perennial
Has rounded/kidney shaped leaves (one common
name “pony’s foot” for leaf shape)
Native (one of few in this lab!)
Facelis retusa
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Bicolor leaves –green top and whitish
bottom
Leaf has spine at tip
Introduced weed
Galium spp.
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Square stems
Whorled leaves, elongate blades
Covered with small hairs, so it sticks on fuzzy
surfaces.
White flower (4 petals)
Geranium carolinianum
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Native geranium
Palmately dissected leaf
Small, purplish flower
Fruits look like a crane’s bill or stork’s bill
Houstonia sp.
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Very small flowering plant
4-petaled blue flowers
Lamium amplexicaule
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2 lipped purple flowers
Bracts beneath flowers clasp stem (like amplexus in
amphibians)
Mint family: square stems, opposite leaves
Lamium purpureum
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See L. amplexicaule for other
traits
Brownish/purplish leaves
among flowers
Purple flowers 2-lipped
flowers tucked into top
leaves
Rumex sp.
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Large V-shaped leaf
Curly leaf margin
Strong looped venation present underneath leaf
Sherardia arvensis
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Square stems
Whorled leaves, broader than Galium
Lavender flower (4 petals)
Soliva sessilis
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Carrot-like leaf (deeply pinnately divided)
Leaves in rosette when plant young
Makes inflorescence with spiny tips when mature (fruit a bur)
Sunflower family
Stellaria media
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Opposite leaves
Less hairy compared to Cerastium
glomeratum
Taraxacum sp.
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Rosette forming perennial
Mitotic seed production (agamospermy)
Leaf pinnately divided: divisions shaped like an arrowhead
Yellow inflorescence (sunflower family)
Bleeds milky juice when damaged
Trifolium incarnatum
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3 leaflets
Roadside flower (red pea-like
flowers in terminal cluster)
Relatively large leaves
Has nitrogen fixing bacteria Rhizobium
Trifolium dubium
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Yellow flower
Compare to T. incarnatum
Trifolium repens
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Has white flower
Compare to T. incarnatum
Veronica arvensis
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Heart-shaped fruit (almost no stalk)
Fruit in axil of the leaf
Blue flower (4 petals)
Veronica hederifolia
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Palmate leaf
Globose fruit hangs off the plant
Long hair compared to V.arvensis
Vicia spp.
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Alternate, pinnately compound leaves
Legume
Tendrils at the tip of the leaf
Extrafloral nectaries on stipules (the brown
spots)
Viola spp.
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Large stipules
Purplish pansy-like flower