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Asteraceae Dumortier

菊科

Asteraceae
Asteraceae sp.

Credit: Hong Song

  • Compositae Giseke

    Habit: tree, shrub, herb, liana

    Important diagnostics: spiny stems or leaves, with pappus

    Taxon group: dicots

    Plant: monoecious, dioecious

    Leaf: position: opposite, alternate, verticillate/whorled, basal

    Leaf: nature: simple, compound

    Leaf: blade: margin: entire, lobed, cleft, parted or divided, dentate

    Flowers: inflorescence: raceme, head, cyme, panicle, ligulate, tubular

    Flowers: sexuality: bisexual, unisexual

    Stamen: number: 4, 5

    Stamen: filaments: free, connate into 1 tube or bundle

    Pistil: ovary: 1-loculed

    Pistil: ovule: 1 per locule

    Ovary: position: inferior

    Fruit: types and characters: a nut (incl. achene, caryopsis, schizocarp, pyrene, etc.), ribbed

    Google Image Search: Link

    Dictionary of The Families & Genera of Chinese Seed Plants: Link

    Vascular Plant Type Catalog at NYBG: Link


     

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