Search results
Results from the WOW.Com Content Network
Kali tragus, the Russian thistle Leaves of a mature plant coming into flower, each leaf with one flower and two bracts in its axil. Salsola tragus is an annual forb.In habit, the young plant is erect, but it grows into a rounded clump of branched, tangled stems, each one up to about a metre long.
The plants begin to flower and fruit from 3 years old. The highly aromatic flowers , produced in clusters of one to three, are 1 cm long with a four-lobed creamy yellow calyx; they appear in early summer and are followed by clusters of fruit , a small cherry-like drupe 1–1.7 cm ( 3 ⁄ 8 – 5 ⁄ 8 in) long, orange-red covered in silvery scales.
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.
Ripe berries of sea-buckthorn. Selenginsky district, Buryatia, Russia. Hippophae rhamnoides, the common sea buckthorn, is the most widespread of the species in the genus, with the ranges of its eight subspecies extending from the Atlantic coasts of Europe across to northwestern Mongolia, northwestern China and Northern Pakistan.
It will tolerate shade for a part of the day, but needs a good percentage, 63-100% of the available light. The ability of P. perfoliata to attach to other plants with its recurved barbs and climb over the plants to reach an area of high light intensity is a key to its survival. It can survive in areas with relatively low soil moisture, but ...
Russia, [b] or the Russian Federation, [c] is a country spanning Eastern Europe and North Asia.It is the largest country in the world by area, extending across eleven time zones and sharing land borders with fourteen countries.
The plants often bear spines, especially those species growing in arid regions. These sometimes represent branches that have become short, hard, and pungent, though they sometimes represent leaf-stipules. Acacia armata is the kangaroo-thorn of Australia, and Acacia erioloba (syn. Acacia eriolobata) is the camelthorn of Africa.
Euphorbia milii, the crown of thorns, Christ plant, or Christ's thorn, is a species of flowering plant in the spurge family Euphorbiaceae, native to Madagascar. The species name commemorates Baron Milius , once Governor of Réunion, who introduced the species to France in 1821.