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  2. Solanum nigrum - Wikipedia

    en.wikipedia.org/wiki/Solanum_nigrum

    Black nightshade is a common herb or short-lived perennial shrub, found in many wooded areas, as well as disturbed habitats. It reaches a height of 30 to 120 cm (12 to 47 in), leaves 4.0 to 7.5 cm (1.6 to 3.0 in) long and 2 to 5 cm (1 to 2 in) wide; ovate to heart-shaped, with wavy or large-toothed edges; both surfaces hairy or hairless ...

  3. List of flower bulbs - Wikipedia

    en.wikipedia.org/wiki/List_of_flower_bulbs

    Flowering plant bulbs are planted beneath the surface of the earth. The bulbs need some exposure to cold temperatures for 12 to 14 weeks in order to bloom. [1] Flower bulbs are generally planted in the fall in colder climates. The bulbs go dormant in the winter but they continue to absorb water and nutrients from the soil and they develop roots ...

  4. Grow light - Wikipedia

    en.wikipedia.org/wiki/Grow_light

    Ficus plant grown under a white LED grow light. A grow light is an electric light that can help plants grow. Grow lights either attempt to provide a light spectrum similar to that of the sun, or to provide a spectrum that is more tailored to the needs of the plants being cultivated (typically a varying combination of red and blue light, which generally appears pink to purple to the human eye).

  5. Full-spectrum light - Wikipedia

    en.wikipedia.org/wiki/Full-spectrum_light

    While plants have adapted to the reception of real sunlight, full spectrum light bulbs often mimic the emphasis of wavelengths of sunlight enough that plants are stimulated to grow. Full spectrum lighting also enhances the natural coloration of fish, plants and other aquatic elements in an aquarium, which are often discolored by artificial lights.

  6. Rauhia - Wikipedia

    en.wikipedia.org/wiki/Rauhia

    Rauhia multiflora bulb with scale bar (10 ... The seeds are black or brown. [3] [8] ... Plants of the World Online accepted the following species: [1] Rauhia ...

  7. Arum palaestinum - Wikipedia

    en.wikipedia.org/wiki/Arum_palaestinum

    A perennial plant, Arum palaestinum grows up to 10–25 cm (4–10 in) high. It blooms between the months of March and April, by which time the plant is easily recognized by its dark purplish-black spadix enclosed by a reddish-brown spathe. [3] [4] The leaves are light green, narrow, and upright with a purplish-black color. The root is tuberous.

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