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Monocot Families | Family List

Orchidaceae A. L. Jussieu

Habit: Terrestrial, Lianas or vines, Pseudostem from leaf bases, Epiphytes, Saprophytes (lack chlorophyll), Perennials

Roots: Rhizomes, Corms, Roots aerial (adventitious), Roots velamen, Sap clear

Stems: elongate, contracted, rounded, solid, swollen pseudobulbs

Leaves: Leaves - sheathing at base, Leaves - sheath open, Leaves - simple, Leaves - cauline, Leaves - basal (rosette), Leaves - alternate, Leaves - whorled, Leaves - 2-ranked (distichous), Leaves - spiral, Leaves - linear or filiform (grass-like), Leaves - venetion parallel, Leaves - dense and fibrous, Leaves - soft, Leaves - succulent, Leaves - margins entire

Inflorescence: lateral or axillary, flowers solitary, cymes, racemes, spikes, panicles, umbels, Flowers pedicellate

Flowers: Flowers bisexual, Perianth present, Flowers small, Flowers large and showy, Flowers 3 merous, Flowers resupinate (180 degree twist), Flowers zygomorphic, Floral bracteoles present

Sepals/Tepals: Tepals 6 (Sepals indistinguishable from petals), Sepals colored (not green), Sepals separate, Sepals united

Petals/Tepals: Petals 3, Petals 6, Petals united into tube, Petals mostly separate, Petals white (to pinkish), Petals yellow, Petals greenish, Petals blue to purple, Petals orange to red, Petals brownish

Stamens: Stamens 1, Stamens 2, Stamens united with style in a column, Pollen in large waxy pollinia

Pistil: Carpels united, Carpels 3, Ovary inferior, Styles 1, Stigma terminal capitate or trilobed, Stigma lateral, Locules 1, Placentation parietal

Fruit: Fruit - capsule

Seeds: Seeds - numerous per locule, Seeds - minute dust-like


 

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