Carpetweed family
Molluginaceae Bartl.

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Carpetweed family

Molluginaceae Bartl.

ザクロソウ科

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A small family of about 120 species distributed in arid and sandy habitats in tropical and subtropical regions. In Japan, Mollugo (naturalized from Asia) grows along roadsides and in fields. Most are small herbs with inconspicuous flowers.

Key Characteristics

  • Small herbs with prostrate or erect stems
  • Leaves are simple, whorled or opposite
  • Petals absent; 5 sepals are petal-like
  • Fruit is a capsule containing numerous seeds

Morphological Traits

A family may include species with different trait values — multiple values indicate the range within the family.

Leaf arrangement

Alternate / Whorled

Leaf type

Simple

Venation

Pinnate

Leaf margin

Entire

Growth form

Shrub / Herb

Evergreen/Deciduous

Deciduous

Leaf dissection

Undivided

Stipules

Present / Absent

Flower symmetry

Actinomorphic

Petal count

4 petals / 5 petals / 6 petals / Many

Petal fusion

Free / Fused

Ovary position

Superior

Stamen count

3-4 / 5

Plant sex

Hermaphrodite / Monoecious

Phylogenetic Position

Angiosperms > Eudicots > Core Eudicots > Caryophyllales > Molluginaceae

Divergence Era

Paleogene (ca. 45 million years ago)

Representative Genera

ザクロソウ属(Mollugo)グリナス属(Glinus)

Related Evolution Events

  • Adaptation to nutrient-poor, dry sandy environments
  • Simplification of flowers through petal loss and reduction in size
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Plants in Carpetweed family on this site

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