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Pyracantha (from Greek pyr "fire" and akanthos "thorn", hence firethorn) [1] is a genus of large, thorny evergreen shrubs in the family Rosaceae, with common names firethorn or pyracantha. They are native to an area extending from Southwest Europe east to Southeast Asia. They resemble and are related to Cotoneaster, but have serrated leaf ...
pl. adelphiae A bundle or structure of stamens forming one unit in an adelphous flower; for example, the stamen tube around the pistil of Hibiscus. adelphous Having organs, particularly filament s such as stamen s, connected into one or more adelphiae, whether in the form of bunches or tubes, such as is commonly seen in families such as Malvaceae. Usage of the term is not consistent; some ...
Plant communication. Plants are exposed to many stress factors such as disease, temperature changes, herbivory, injury and more. [1] Therefore, in order to respond or be ready for any kind of physiological state, they need to develop some sort of system for their survival in the moment and/or for the future.
Prickles on a blackberry branch. In plant morphology, thorns, spines, and prickles, and in general spinose structures (sometimes called spinose teeth or spinose apical processes), are hard, rigid extensions or modifications of leaves, roots, stems, or buds with sharp, stiff ends, and generally serve the same function: physically defending plants against herbivory.
Language of flowers. Floriography (language of flowers) is a means of cryptological communication through the use or arrangement of flowers. Meaning has been attributed to flowers for thousands of years, and some form of floriography has been practiced in traditional cultures throughout Europe, Asia, and Africa.
Crataegus (/ k r ə ˈ t iː ɡ ə s / [2]), commonly called hawthorn, quickthorn, [3] thornapple, [4] May-tree, [5] whitethorn, [5] Mayflower or hawberry, is a genus of several hundred species of shrubs and trees in the family Rosaceae, [6] native to temperate regions of the Northern Hemisphere in Europe, Asia, North Africa and North America.
Thicket. A thicket is a very dense stand of trees or tall shrubs, [1] often dominated by only one or a few species, to the exclusion of all others. They may be formed by species that shed large numbers of highly viable seeds that are able to germinate in the shelter of the maternal plants. In some conditions, the formation or spread of thickets ...
The fruit of the honey locust is a flat pod (a legume) that matures in early autumn and is often twisted or curved. [4] The average size of the pods is 7–35 cm (3–14 in) long and 1.5–3 cm (1⁄2 – 11⁄4 in) wide. [7] Once ripe the pod will contain as many as twenty dark brown oval seeds, each about 2 cm (1 in) long.