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2. Artificial plants - Wikipedia

   en.wikipedia.org/wiki/Artificial_plants

   Artificial flowers made from plastic A plastic bush. Artificial plants are imitations of natural plants used for commercial or residential decoration. They are sometimes made for scientific purposes (the collection of glass flowers at Harvard University, for example, illustrates the flora of the United States). [1]

3. 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".

4. Heliopsis helianthoides - Wikipedia

   en.wikipedia.org/wiki/Heliopsis_helianthoides

   Heliopsis helianthoides is a species of flowering plant in the family Asteraceae, known by the common names rough oxeye, [2] smooth oxeye [3] and false sunflower. [4] It is native to eastern and central North America from Saskatchewan east to Newfoundland and south as far as Texas, New Mexico, and Georgia.

5. Heliopsis - Wikipedia

   en.wikipedia.org/wiki/Heliopsis

   The sunflower-like composite flowerheads are usually yellow, up to 8 cm (3 in) in diameter, and are borne in summer. Species are commonly called ox-eye or oxeye. [5] The name Heliopsis (pronounced / ˌ h iː l i ˈ ɒ p s ɪ s /, from Greek helios for "sun" and opsis for "appearance") refers to the bright yellow color of the flowers.

6. List of common misconceptions about science, technology, and ...

   en.wikipedia.org/wiki/List_of_common...

   Sunflowers do not always point to the Sun. Flowering sunflowers face a fixed direction (often east) all day long, but do not necessarily face the Sun. [123] However, in an earlier developmental stage, before the appearance of flower heads, the immature buds do track the Sun (a phenomenon called heliotropism). Mature flowers face east. [124]

7. Heliantheae - Wikipedia

   en.wikipedia.org/wiki/Heliantheae

   Commercially important plants in the Heliantheae include sunflower and Jerusalem artichoke. Many garden flowers are also in this group, such as Coreopsis, Cosmos, Echinacea, Rudbeckia, and Zinnia. Some authors separate Coreopsis and Cosmos into the Coreopsideae tribe. [1] In contrast to the benefits brought by the group, some are problematic weeds.