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Diagram of spadix. In botany, a spadix (/ ˈ s p eɪ d ɪ k s / SPAY-diks; pl.: spadices / ˈ s p eɪ d ɪ s iː z / SPAY-dih-seez, / s p eɪ ˈ d aɪ s iː z / spay-DY-seez) is a type of inflorescence having small flowers borne on a fleshy stem. Spadices are typical of the family Araceae, the arums or aroids.
The Araceae are a family of monocotyledonous flowering plants in which flowers are borne on a type of inflorescence called a spadix. The spadix is usually accompanied by, and sometimes partially enclosed in, a spathe (or leaf-like bract). Also known as the arum family, members are often colloquially known as aroids.
Amorphophallus (from Ancient Greek amorphos, "without form, misshapen" + phallos, "penis", referring to the shape of the prominent spadix) is a large genus of some 200 tropical and subtropical tuberous herbaceous plants from the Arum family (), native to Asia, Africa, Australia and various oceanic islands.
The inflorescence's deep red color and texture contribute to the illusion that the spathe is a piece of meat. During bloom, the tip of the spadix is roughly human body temperature, which helps the perfume volatilize. The heated spadix creates a micro-convection in the cool ambient air, enhancing the transport of the scent.
The inflorescence is a spadix or spike surrounded by one or more bracts or spathes that become woody at maturity. The flowers are generally small and white, radially symmetric, and can be either uni- or bisexual. The sepals and petals usually number three each and may be distinct or joined at the base.
The plain green leaves of A. cylindraceum appear in early spring (late March–early May) followed by the flowers borne on a poker-shaped inflorescence called a spadix, which is partially enclosed in a grass-green spathe or leaf-like hood. The flowers are hidden from sight, clustered at the base of the spadix with a ring of female flowers at ...
This is an example of dichogamy, a rare phenomenon in flowering plants. Due to this sex-change lifecycle, this species is sometimes called colloquially as Jack or Jill in the pulpit [8] [9] [10] or Jill-in-the-pulpit. [11] [12] The unripe fruits are smooth, shiny green berries (each 1 cm wide) clustered around the thickened spadix.
Historical model of the inner part of the inflorescence, the spadix with the flowers and ring of small hairs. Botanical Museum Greifswald. The flowers are borne on a poker-shaped inflorescence called a spadix, which is partially enclosed in a spathe or leaf-like hood of varying colour. The flowers are hidden from sight, clustered at the base of ...