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Inula squarrosa Krock. Pentanema britannica, the British yellowhead or meadow fleabane, [1] is a Eurasian species of plant in the daisy family. It is widespread across much of Europe and Asia, and sparingly naturalized in scattered locations in North America. [2][3][4] Pentanema britannica is an erect herb up to 75 cm (30 inches) tall, with ...
Stigma (botany) Diagram showing the stigma-style-ovary system of the female reproductive organ of a plant. The stigma is fixed to the apex of the style, a narrow upward extension of the ovary. The stigma (pl.: stigmas or stigmata) [1] is the receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower.
pollen-grains cohering by a waxy texture or fine threads into a single body; pollinium, e.g. in orchids. the tissue in the style of a flower through which the pollen tubes grow. The transfer of pollen from a male organ (such as an anther) to the receptive region of a female organ (such as a stigma). See pollen-mass.
Photo of the plant in bloom in 2000 at Fairchild Tropical Botanic Garden in Miami, Florida, US. An inflorescence, in a flowering plant, is a group or cluster of flowers arranged on a stem that is composed of a main branch or a system of branches. [ 1 ] An inflorescence is categorized on the basis of the arrangement of flowers on a main axis ...
Pseudanthium. A pseudanthium (Ancient Greek for 'false flower'; pl.: pseudanthia) is an inflorescence that resembles a flower. [1] The word is sometimes used for other structures that are neither a true flower nor a true inflorescence. [1] Examples of pseudanthia include flower heads, composite flowers, [2]: 514 or capitula, which are special ...
Detail of Pedicularis groenlandica flower. The pedicels attaching the flowers to the main stem are 0.5–1 millimeters and the flowers resemble a pink, reddish-purple, or purple (rarely white) head of an elephant to a remarkable extent. [4] [9] In addition to reflecting visible light, the petals of the flowers also reflect ultraviolet light. [7]
Parmotrema perlatum, commonly known as the powdered ruffle lichen, is a common species of foliose lichen in the family Parmeliaceae. The species has a cosmopolitan distribution and occurs throughout the Northern and Southern Hemispheres. Parmotrema perlatum is a prominent and widely recognised species within its genus across primarily temperate ...
The bloom forms are defined by the way in which the ray and disk florets are arranged. Chrysanthemum blooms are composed of many individual flowers (florets), each one capable of producing a seed. The disk florets are in the center of the bloom head, and the ray florets are on the perimeter.