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Brassicaceae Burnett


Alyssum serpyllifolium

Credit: Xiangying Wen

  • Cruciferae A. L. Jussieu

    Habit: shrub, herb

    Hairs: glandular, stellate, branched, peltate or scale-like

    Taxon group: dicots

    Leaf: position: alternate, verticillate/whorled, basal, cauline, rosette

    Leaf: nature: simple, compound, pinnately compound, ternately compound (3 leaflets), palmately compound

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

    Leaf: stipules: absent

    Flowers: inflorescence: solitary, raceme, corymb, panicle

    Flowers: sexuality: bisexual

    Flowers: symmetry: actinomorphic

    Flowers: sepal number/calyx lobes: 4

    Flowers: sepal position: all free from one another

    Flowers: petal number/corolla lobes: 0, 4

    Flower: bract: absent

    Stamen: number: 1, 2, 4, 6

    Stamen: arrangement: tetradynamous

    Stamen: anthers: opening by longitudinal slits

    Pistil: style: absent, style 1, or styles more or less connate

    Pistil: carpel: 2

    Pistil: ovary: 1-loculed, 2-loculed

    Pistil: ovule: 1 per locule, 2 per locule, 3 per locule, 4+ per locule

    Pistil: pistil: ovules parietal placentation

    Ovary: position: superior

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

    Fruit: seed: 1 seed, 2 seeds, 3 seeds, 4+ seeds

    Seed: cotyledons: folded or crumpled

    Seed: endosperm: seeds without endosperm

    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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