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Argemone albiflora, the white prickly poppy, also known as the bluestem prickly poppy or the Texas prickly poppy, [1] is a small erect plant with a decorative white flower with a yellow latex. It is deeply rooted with yellow or red stamens. The plant is known for the sharp prickles on its stem and leaves.
The erect, branching stem is purple, smooth, hollow, and sturdy. The compound leaves are bipinnate , with 3 to 5 leaflets per leaf. The total width of a lower leaf may be up to 2 ft (61 cm), and the leaflets are 0.75–4.5 in (1.9–11.4 cm) long and 0.5–2.5 in (1.3–6.4 cm) across.
The plants produce several stems from a creeping underground rhizome; some stems bear a single leaf and do not produce any flower or fruit, while flowering stems produce a pair or more leaves with 1–8 flowers in the axil between the apical leaves. The flowers are white, yellow or red, 2–6 cm (1–2 in) diameter with 6–9 petals, and mature ...
A floral diagram is a graphic representation of the structure of a flower. It shows the number of floral organs, their arrangement and fusion. Different parts of the flower are represented by their respective symbols. Floral diagrams are useful for flower identification or can help in understanding angiosperm evolution.
Foliage and stem, before flowering. Castilleja exserta is an annual herb about 100–450 millimetres (4–18 in) tall with a hairy stem covered in thready leaves. Like other related Castilleja plants, this species is a hemiparasite, deriving some of its nutrients directly from the roots of other plants by infiltrating them with haustoria.
The basal leaves are oblong and mostly entire, and usually die before the flowers appear. The alternate stem leaves are deeply and irregularly lobed and measure up to 8 cm (3 in) long. The common names for this plant reflect the showy red bracts , inside of which is the actual greenish-yellow corolla ("flower").
Castilleja, commonly known as paintbrush, Indian paintbrush, or prairie-fire, is a genus of about 200 species of annual and perennial mostly herbaceous plants native to the west of the Americas from Alaska south to the Andes, northern Asia, and one species as far west as the Kola Peninsula in northwestern Russia.
The plant is 15–90 cm (6–35 in) tall. The fern-like leaves are lobed and grouped in threes, growing from the base and off the flowering stems. The flowers are 1–2 in (2.5–5.1 cm) long and have yellow petals with a red spur and red sepals. They appear in late spring (usually in May and June), nodding on stems above the leaves.