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Centaurea cyanus is an annual plant growing to 40–90 centimetres ( – in) tall, with grey-green branched stems. The leaves are lanceolate and 1–4 cm long. The flowers are most commonly an intense blue colour and arranged in flowerheads (capitula) of 1.5–3 cm diameter, with a ring of a few large, spreading ray florets surrounding a ...
Photosynthesis ( / ˌfoʊtəˈsɪnθəsɪs / FOH-tə-SINTH-ə-sis) [1] is a system of biological processes by which photosynthetic organisms, such as most plants, algae, and cyanobacteria, convert light energy, typically from sunlight, into the chemical energy necessary to fuel their activities.
Echinacea laevigata, the smooth purple coneflower, is a federally listed threatened species of plant found in the Piedmont of the eastern United States. Most populations are found on roadsides and other open areas with plenty of sunlight, often on calcium - and magnesium - rich soils .
Cypripedium calceolus subsp. parviflorum (Salisb.) Hultén. Cypripedium parviflorum, commonly known as yellow lady's slipper [4] or moccasin flower, [5] is a lady's slipper orchid native to North America. [3] It is widespread, ranging from Alaska south to Arizona and Georgia. [6] It grows in fens, wetlands, shorelines, and damp woodlands.
Description. The average height for Verbesina occidentalis is a yard tall. The plant has potential to grow to 2 yards in height. [2] Verbesina occidentalis has yellow disk flowers. The number of ray flowers will range anywhere from two to five petals. The most common petal number is two. [3] The flowers are sparse and are not evenly arranged ...
Lamium purpureum grows with square stems to 5–20 cm [3] (rarely 30 cm) in height. The leaves have fine hairs, are green at the bottom and shade to purplish at the top; they are 2–4 cm long and broad, with a 1–2 cm petiole (leaf stalk), and wavy to serrated margins. The zygomorphic flowers are bright red-purple, with a top hood-like petal ...