| Mauritius thorn | |
|---|---|
 | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Subfamily: | Caesalpinioideae |
| Genus: | Biancaea |
| Species: | B. decapetala |
| Binomial name | |
| Biancaea decapetala | |
| Synonyms | |
| |
Biancaea decapetala, commonly known as shoofly, Mauritius or Mysore thorn or the cat's claw, is a tropical tree species originating in India.
B. decapetala has been introduced to Fiji, French Polynesia, Hawai‘i, New Caledonia, Norfolk Island, Australia, China, Japan, Korea, Indonesia, Malaysia, Philippines, Thailand, Vietnam, Mauritius, Réunion, Rodrigues, Kenya and South Africa. It has become a seriously problematic invasive species in many locations.[ citation needed ]
B. decapetala is as a robust, thorny, evergreen shrub 2–4 m (6.6–13.1 ft) high or climber up to 10 m (33 ft) or higher; often forming dense thickets; the stems are covered with minute golden hair; the stem thorns are straight to hooked, numerous, and not in regular rows or confined to nodes. The leaves are dark green, paler beneath, not glossy, up to 300 mm (12 in) long; leaflets up to 8 mm (0.31 in) wide. The flowers are pale yellow, in elongated, erect clusters 100–400 mm (3.9–16 in) long. Fruit are brown, woody pods, flattened, unsegmented, smooth, sharply beaked at apex, about 80 mm (3.1 in) long.[ citation needed ]
In Hawai‘i, where B. decapetala has the local name pōpoki, it forms impenetrable brambles, climbs high up trees, closes off pastures to animals and impedes forest pathways. [1] Trailing branches root where they touch the ground. The medium-sized seeds may be dispersed by rodents and granivorous birds and running water.[ citation needed ]
Mauritius Thorn has been employed in primate conservation to dissuade apes from entering farmland in West Africa. However, this is no longer suggested due to its invasive nature. [2]
A cactus is a member of the plant family Cactaceae, a family of the order Caryophyllales comprising about 127 genera with some 1,750 known species. The word cactus derives, through Latin, from the Ancient Greek word κάκτος (káktos), a name originally used by Theophrastus for a spiny plant whose identity is now not certain. Cacti occur in a wide range of shapes and sizes. They are native to the Americas, ranging from Patagonia in the south to parts of western Canada in the north, with the exception of Rhipsalis baccifera, which is also found in Africa and Sri Lanka. Cacti are adapted to live in very dry environments, including the Atacama Desert, one of the driest places on Earth. Because of this, cacti show many adaptations to conserve water. For example, almost all cacti are succulents, meaning they have thickened, fleshy parts adapted to store water. Unlike many other succulents, the stem is the only part of most cacti where this vital process takes place. Most species of cacti have lost true leaves, retaining only spines, which are highly modified leaves. As well as defending against herbivores, spines help prevent water loss by reducing air flow close to the cactus and providing some shade. In the absence of true leaves, cacti's enlarged stems carry out photosynthesis.
Podocarpus latifolius is a large evergreen tree up to 35 m high and 3 m trunk diameter, in the conifer family Podocarpaceae; it is the type species of the genus Podocarpus.
Eucalyptus is a genus of more than 700 species of flowering plants in the family Myrtaceae. Most species of Eucalyptus are trees, often mallees, and a few are shrubs. Along with several other genera in the tribe Eucalypteae, including Corymbia and Angophora, they are commonly known as eucalypts or "gum trees". Plants in the genus Eucalyptus have bark that is either smooth, fibrous, hard, or stringy and leaves that have oil glands. The sepals and petals are fused to form a "cap" or operculum over the stamens, hence the name from Greek eû ("well") and kaluptós ("covered"). The fruit is a woody capsule commonly referred to as a "gumnut".
Pinus nigra, the Austrian pine or black pine, is a moderately variable species of pine, occurring across Southern Europe from the Iberian Peninsula to the eastern Mediterranean, on the Anatolian peninsula of Turkey, Corsica and Cyprus, as well as Crimea and in the high mountains of Northwest Africa. The world's oldest black pine, located in the Banaz district of Uşak, Türkiye, is estimated to be 1000 years old. This makes it significant in the country, which is known for a very dry climate, inhospitable for most trees. It has a length of 11 meters, a diameter of 3 meters and a circumference of 9.60 meters.
Berberis, commonly known as barberry, is a large genus of deciduous and evergreen shrubs from 1–5 m (3.3–16.4 ft) tall, found throughout temperate and subtropical regions of the world. Species diversity is greatest in South America and Asia; Europe, Africa and North America have native species as well. The best-known Berberis species is the European barberry, Berberis vulgaris, which is common in Europe, North Africa, the Middle East, and central Asia, and has been widely introduced in North America. Many of the species have spines on the shoots and all along the margins of the leaves.
Parkinsonia aculeata is a species of perennial flowering tree in the pea family, Fabaceae. Common names include palo verde, Mexican palo verde, Parkinsonia, Jerusalem thorn, jelly bean tree, palo de rayo, and retama.
Ziziphus mauritiana, also known as Indian jujube, Indian plum, Chinese date, Chinee apple, ber and dunks is a tropical fruit tree species belonging to the family Rhamnaceae. It is often confused with the closely related Chinese jujube, but whereas Z. jujuba prefers temperate climates, Z. mauritiana is tropical to subtropical.
Borassus is a genus of five species of fan palms, native to tropical regions of Africa, Asia, and Papua New Guinea.
Biancaea sappan is a species of flowering tree in the legume family, Fabaceae, that is native to tropical Asia. Common names in English include sappanwood and Indian redwood. It was previously ascribed to the genus Caesalpinia. Sappanwood is related to brazilwood, and was itself called brasilwood in the Middle Ages.
Caesalpinia pulcherrima is a species of flowering plant in the pea family Fabaceae, native to the tropics and subtropics of the Americas. It could be native to the West Indies, but its exact origin is unknown due to widespread cultivation. Common names for this species include poinciana, peacock flower, red bird of paradise, Mexican bird of paradise, dwarf poinciana, pride of Barbados, flos pavonis, and flamboyant-de-jardin. The Hawaiian name for this plant is ʻohai aliʻi.
Leucaena leucocephala is a small fast-growing mimosoid tree native to southern Mexico and northern Central America and is now naturalized throughout the tropics including parts of Asia.
Phoenix canariensis, the Canary Island date palm, is a species of flowering plant in the palm family Arecaceae, native to the Canary Islands off the coast of Northwestern Africa. It is a relative of Phoenix dactylifera, the true date palm. It is the natural symbol of the Canary Islands, together with the canary Serinus canaria.
Vachellia tortilis, widely known as Acacia tortilis but now attributed to the genus Vachellia, is the umbrella thorn acacia, also known as umbrella thorn and Israeli babool, a medium to large canopied tree native to most of Africa, primarily to the savanna and Sahel of Africa, but also occurring in the Middle East.
Metrosideros polymorpha, the ʻōhiʻa lehua, is a species of flowering evergreen tree in the myrtle family, Myrtaceae, that is endemic to the six largest islands of Hawaiʻi. It is a member of the diverse Metrosideros genus, which are widespread over the southwest Pacific. It is the state tree of Hawai‘i.
Guilandina bonduc, commonly known as grey nicker, nicker bean, fever nut or knicker nut, is a species of flowering plant in the senna tribe, Caesalpinieae, that has a pantropical distribution.
Hypericum mutilum is a species of St. John's wort known by the common name dwarf St. John's wort. It is native to parts of North America and is present in other parts as an introduced species. It is an annual or perennial herb taking a multibranched erect form up to about 60 centimeters tall. The oval green leaves are one or two centimeters long and are covered in tiny glands. The inflorescence is a compound cyme of tiny flowers. H. mutilum subsp. mutilum and subsp. boreale have a diploid number of 16, and H. mutilum subsp. boreale can have a diploid number of 18.
In plant morphology, thorns, spines, and prickles, and in general spinose structures, 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.
Corynocarpus rupestris, commonly known as the Glenugie karaka, is a rainforest tree found in eastern Australia. It is a rare plant with a ROTAP rating of 2VC-t. There are two sub-species; arborescens is a small hairless shrub or tree up to 13 metres tall with a stem diameter up to 40 cm (16 in), and sub-species rupestris grows only to 6 metres, with a stem diameter up to 17 cm (6.7 in).
Cassytha filiformis or love-vine is an orangish, wiry, parasitic vine in the family Lauraceae. It is found in coastal forests of warm tropical regions worldwide including the Americas, Indomalaya, Australasia, Polynesia and tropical Africa.
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