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  2. Heliotropism - Wikipedia

    en.wikipedia.org/wiki/Heliotropism

    Heliotropism, a form of tropism, is the diurnal or seasonal motion of plant parts (flowers or leaves) in response to the direction of the Sun. The habit of some plants to move in the direction of the Sun, a form of tropism, was already known by the Ancient Greeks. They named one of those plants after that property Heliotropium, meaning "sun turn".

  3. Floral morphology - Wikipedia

    en.wikipedia.org/wiki/Floral_morphology

    The androecium is one of the fertile cycles of flowers. The parts that make up the androecium are called stamens whose function is the generation of male gametophytes or pollen grains. The stamens are highly modified leaves formed by a foot that is inserted into the receptacle of the flower, called filament, and a distal portion called anther ...

  4. Glossary of botanical terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_botanical_terms

    A plant that loses all of its leaves only briefly before growing new ones, so that it is leafless for only a short time, e.g. approximately two weeks. bristle A straight, stiff hair (smooth or with minute teeth); the upper part of an awn (when the latter is bent and has a lower, stouter, and usually twisted part, called the column). brochidodromous

  5. Glossary of plant morphology - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_plant_morphology

    [1] [6] The flower stem is known as a pedicel, and those flowers with such a stem are called pedicellate, while those without are called sessile. [7] In the angiosperms, the flowers are arranged on a flower stem as an inflorescence. Just beneath (subtended) the flower there may be a modified, and usually reduced, leaf, called a bract.

  6. Helianthus - Wikipedia

    en.wikipedia.org/wiki/Helianthus

    Before blooming, Helianthus plant heads tilt upwards during the day to face the Sun. This movement is referred to as heliotropism, which continues for a short time when flower buds form and young Helianthus heads track the Sun. At night, the flower heads reorient their position and face East in anticipation for the sunrise. [16]

  7. List of plants with symbolism - Wikipedia

    en.wikipedia.org/wiki/List_of_plants_with_symbolism

    abandonment, loss, separation, death and the cycle of rebirth. It's commonly referred to as the Flower of Death white: Positive nature, new beginnings, good health and rebirth yellow: Happiness, light, wisdom, gratitude, strength, everlasting friendship pink: Feminine love, beauty and passion Spiderwort "Esteem not love"; [5] transient ...

  8. Common sunflower - Wikipedia

    en.wikipedia.org/wiki/Common_sunflower

    The outer flowers, which resemble petals, are called ray flowers. Each "petal" consists of a ligule composed of fused petals of an asymmetrical ray flower. They are sexually sterile and may be yellow, red, orange, or other colors. The spirally arranged flowers in the center of the head are called disk flowers. These mature into fruit (sunflower ...

  9. Amorphophallus titanum - Wikipedia

    en.wikipedia.org/wiki/Amorphophallus_titanum

    Both male and female flowers grow in the same inflorescence. The female flowers open first, and the male flowers open a day or two later. That usually prevents the flower from self-pollinating. After the flower dies back, a single leaf, which resembles a small tree and reaches a similar size, grows from the underground corm. The leaf grows on a ...