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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.
Gymnosporia heterophylla, the common spike-thorn, is a small, hardy, deciduous African tree up to 5m tall, occurring in rocky places with a wide distribution from Ethiopia, the Sudan and the Congo, south to the Cape Province and west to Angola and Namibia, as well as the neighbouring islands of Madagascar and Saint Helena, with a closely related species from Mauritius.
It is commonly known as the pioneer spike-thorn or common spike-thorn. [3] ... (15 centimeters) in length; [6] the longest unbranched thorns of any Dicot, ...
Thorn (organization), an anti-human-trafficking organization Thorn Electrical Industries, an electrical engineering business; Thorn EMI, a major British company involved in consumer electronics, music, defence and retail
Putterlickia, variously called spikethorns, false spike thorns, mock spike thorns and bastard spike thorns, are a genus of flowering plants in the staff vine and bittersweet family Celastraceae, native to South Africa, Eswatini and Mozambique. Endophytic bacteria in their roots produce maytansine.
For example, the article says that spines are derived from leaves, but none of the four sources I listed at User:Peter coxhead/Work page#Spines vs. thorns restrict the term to leaf-derived structures. Also, the use of spinosus as an epithet is relevant; many plants with such names have what the article calls "thorns", e.g. Prunus spinosa.
Datura ferox, commonly known as long spined thorn apple and fierce thornapple, as well as Angel's-trumpets, [1] is a species of Datura.Like all such species, every part of the plant contains deadly toxins that can kill animals (including humans) that ingest it.
Cignal HD Spikers No. Player Position Height Birthday School 1: Sandy Domenick Montero: Libero: 1.75 m (5 ft 9 in) March 19, 1989 (age 35)UPHSD: 2: Alfred Gerald Valbuena ...