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  2. Floral morphology - Wikipedia

    en.wikipedia.org/wiki/Floral_morphology

    The perianth is the flower structure comprising the two sterile whorls, the calyx and the corolla. In many cases, as for example in weeping willow ( Salix babylonica , salicaceae ) or European ash ( Fraxinus excelsior , oleaceae ) the perianth may be missing, that is, the flowers have only the fertile whorls (androecium and gynoecium) and are ...

  3. Flower - Wikipedia

    en.wikipedia.org/wiki/Flower

    [11] [2] The four main whorls (starting from the base of the flower or lowest node and working upwards) are the calyx, corolla, androecium, and gynoecium. Together the calyx and corolla make up the non-reproductive part of the flower called the perianth, and in monocotyledons, may not be differentiated

  4. Floral diagram - Wikipedia

    en.wikipedia.org/wiki/Floral_diagram

    Floral diagram of Anagallis arvensis. [1]: 307 The dot represents the main axis, green structure below is the subtending bract. Calyx (green arcs) consists of five free sepals; corolla (red arcs) consists of five fused petals. Antepetalous stamens are joined to petals by hairy filaments.

  5. Cyclic flower - Wikipedia

    en.wikipedia.org/wiki/Cyclic_flower

    A cyclic flower is a flower type formed out of a series of whorls; [1] sets of identical organs attached around the axis at the same point. Most flowers consist of a single whorl of sepals termed a calyx; a single whorl of petals termed a corolla; one or more whorls of stamens (together termed the androecium); and a single whorl of carpels termed the gynoecium.

  6. Floral formula - Wikipedia

    en.wikipedia.org/wiki/Floral_formula

    ↯ K3 [C3 A1°–3°+½:2°] Ğ(3) [1]: 39 – the formula of Canna indica; asymmetric flower; calyx of three free sepals; corolla of three free petals joined with androecium; androecium in two whorls, the outer whorl contains 1–3 staminodes, the inner contains ½ of a stamen and 2 staminodes; gynoecium fused of 3 carpels, inferior ovary

  7. Whorl (botany) - Wikipedia

    en.wikipedia.org/wiki/Whorl_(botany)

    The calyx: zero or more whorls of sepals at the base; The corolla: zero or more whorls of petals above the calyx; The androecium: zero or more whorls of stamens, each comprising a filament and an anther; The gynoecium: zero or more whorls of carpels, each consisting of an ovary, a style, and a stigma

  8. Glossary of plant morphology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_plant_morphology

    These two components are the androecium and gynoecium, respectively. The androecium (literally, men's house) is a collective term for the male organs (stamens or microsporophylls). While sometimes leaflike (laminar), more commonly they consist of a long thread-like column, the filament, surmounted by a pollen bearing anther.

  9. Stamen - Wikipedia

    en.wikipedia.org/wiki/Stamen

    The androecium can consist of as few as one-half stamen (i.e. a single locule) as in Canna species or as many as 3,482 stamens which have been counted in the saguaro (Carnegiea gigantea). [2] The androecium in various species of plants forms a great variety of patterns, some of them highly complex.