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{
"count": 942,
"next": "https://treescape.app/api/genera/?format=api&page=77",
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{
"url": "https://treescape.app/api/genera/rhamnus/?format=api",
"slug": "rhamnus",
"latin_name": "Rhamnus",
"description": "Rhamnus is a genus of about 140 accepted species of shrubs or small trees, commonly known as buckthorns, in the family Rhamnaceae. Its species range from 1 to 10 m (3 to 33 ft) tall (rarely to 15 m, 50 ft) and are native mainly in east Asia and North America, but found throughout the temperate and subtropical Northern Hemisphere, and also more locally in the subtropical Southern Hemisphere in parts of Africa and South America. One species, the common buckthorn (Rhamnus cathartica), is able to flourish as an invasive plant in parts of Canada and the U.S., where it has become naturalized.\nBoth deciduous and evergreen species occur. The leaves are simple, 3 to 15 cm (1 to 6 in) long, and arranged alternately, in opposite pairs, or almost paired (subopposite). One distinctive character of many buckthorns is the way the veination curves upward towards the tip of the leaf. The plant bears fruits which are black or red berry-like drupes. The name is due to the woody spine on the end of each twig in many species. One species is known to have potential to be used medicinally.",
"gbif_id": 3039471,
"image_thumbnail": "https://treescape.app/media/plant_species/images/thumbnails/rhamnus_thumbnail_YMrvK8P.jpg",
"image_large": "https://treescape.app/media/plant_species/images/large/rhamnus_thumbnail_gjTVy4v.jpg"
},
{
"url": "https://treescape.app/api/genera/rhaphiolepis/?format=api",
"slug": "rhaphiolepis",
"latin_name": "Rhaphiolepis",
"description": "Rhaphiolepis ( RAF-ee-OL-ip-iss or RAF-ee-oh-LEP-iss) is a genus of about fifteen species of evergreen shrubs and small trees in the family Rosaceae, native to warm temperate and subtropical East Asia and Southeast Asia, from southern Japan, southern Korea and southern China, south to Thailand and Vietnam. In searching literature it is well to remember that the name commonly is misspelt \"Raphiolepsis\". The genus is closely related to Eriobotrya (loquats), so closely in fact, that members of the two genera have hybridised with each other; for example the \"Coppertone loquat\" is a hybrid of Eriobotrya deflexa X Rhaphiolepis indica. The common name hawthorn, originally specifically applied to the related genus Crataegus, now also appears in the common names for some Rhaphiolepis species. For example, Rhaphiolepis indica often is called \"Indian hawthorn\", and Rhaphiolepis umbellata, \"Yeddo hawthorn\".",
"gbif_id": 3032335,
"image_thumbnail": "https://treescape.app/media/plant_species/images/thumbnails/rhaphiolepis_thumbnail_jUuqZd8.jpg",
"image_large": "https://treescape.app/media/plant_species/images/large/rhaphiolepis_thumbnail_N5Dmlmu.jpg"
},
{
"url": "https://treescape.app/api/genera/rheum/?format=api",
"slug": "rheum",
"latin_name": "Rheum",
"description": "Rheum (; from Greek: ῥεῦμα rheuma 'a flowing, rheum') is a thin mucus naturally discharged from the eyes, nose, or mouth, often during sleep (contrast with mucopurulent discharge). Rheum dries and gathers as a crust in the corners of the eyes or the mouth, on the eyelids, or under the nose. It is formed by a combination of mucus (in the case of the eyes, consisting of mucin discharged from the cornea or the conjunctiva), nasal mucus, blood cells, skin cells, or dust.\nRheum from the eyes is particularly common. Dried rheum near the eyes is commonly called 'sleep', 'sleepy-seeds', 'sleepy buds', 'sleepy bugs', 'sleepy sand', 'sleepy winks', 'eye boogers', 'Sandman's sand', 'eye goop', 'sleepy dust', 'sleepies', 'eye gunk', 'eye crust', 'sleepy men', 'crusties', 'dozy dust', 'eye globs', or 'sleepy dirt'. When the individual is awake, blinking of the eyelid causes rheum to be washed away with tears via the nasolacrimal duct. The absence of this action during sleep, however, results in a small amount of dry rheum accumulating in corners of the eye. A parent or pet owner may notice the collection of rheum on children and pets they care for.",
"gbif_id": 2888863,
"image_thumbnail": "https://treescape.app/media/plant_species/images/thumbnails/rheum_thumbnail_H6FCSOl.jpg",
"image_large": "https://treescape.app/media/plant_species/images/large/rheum_thumbnail_E2wuNGP.jpg"
},
{
"url": "https://treescape.app/api/genera/rhizophora/?format=api",
"slug": "rhizophora",
"latin_name": "Rhizophora",
"description": "Rhizophora is a genus of tropical mangrove trees, sometimes collectively called true mangroves. The most notable species is the red mangrove (Rhizophora mangle) but some other species and a few natural hybrids are known. Rhizophora species generally live in intertidal zones which are inundated daily by the ocean. They exhibit a number of adaptations to this environment, including pneumatophores that elevate the plants above the water and allow them to respire oxygen even while their lower roots are submerged and a cytological molecular \"pump\" mechanism that allows them to remove excess salts from their cells. The generic name is derived from the Greek words ριζα (rhiza), meaning \"root,\" and φορος (phoros), meaning \"bearing,\" referring to the stilt-roots.\nThe beetle Poecilips fallax is a common pest of these trees, especially Rhizophora mucronata and Rhizophora apiculata. This beetle (related to carver beetles) lays its eggs in the hypocotyls. When they hatch, the larvae dig tunnels through the hypocotyl, distorting its shape, When the beetle pupates it leaves the plant, but the hypocotyl will no longer be able to develop normally.\nThe red mangrove is the state tree of Delta Amacuro in Venezuela; a dark brown dye can be produced from it, which is used in Tongan ngatu cloth production.",
"gbif_id": 3086525,
"image_thumbnail": "https://treescape.app/media/plant_species/images/thumbnails/rhizophora_thumbnail_K62QAs2.jpg",
"image_large": "https://treescape.app/media/plant_species/images/large/rhizophora_thumbnail_ZRgDBte.jpg"
},
{
"url": "https://treescape.app/api/genera/rhodiola/?format=api",
"slug": "rhodiola",
"latin_name": "Rhodiola",
"description": "Rhodiola rosea (commonly golden root, rose root, roseroot,: 138 Aaron's rod, Arctic root, king's crown, lignum rhodium, orpin rose) is a perennial flowering plant in the family Crassulaceae. It grows naturally in wild Arctic regions of Europe (including Britain), Asia, and North America ( N.B., Nfld. and Labrador, N.S., QC.; Alaska, Maine, N.Y., N.C., Pa., Vt), and can be propagated as a groundcover.\nAlthough Rhodiola rosea has been used in traditional medicine, there is no high-quality clinical evidence of its effectiveness to treat any disease. The United States Food and Drug Administration has issued several warnings to manufacturers of R. rosea dietary supplements for making false health claims about its safety and efficacy. However, it has been recognized as a botanical adaptogen by the European Medicines Agency.\nThe plant is threatened in many countries due to rapidly growing demand. Supply comes mostly from wild harvesting on an industrial scale, and a combination of growing scarcity and a lack of regulation has led to environmental degradation, substitution or adulteration in the market, and illegal harvesting in protected areas.",
"gbif_id": 2985687,
"image_thumbnail": "https://treescape.app/media/plant_species/images/thumbnails/rhodiola_thumbnail_pvSACcL.jpg",
"image_large": "https://treescape.app/media/plant_species/images/large/rhodiola_thumbnail_DU5vdQ5.jpg"
},
{
"url": "https://treescape.app/api/genera/rhus/?format=api",
"slug": "rhus",
"latin_name": "Rhus",
"description": "",
"gbif_id": 3190534,
"image_thumbnail": "https://treescape.app/media/plant_species/images/thumbnails/rhus_thumbnail_3N2MzcZ.jpg",
"image_large": "https://treescape.app/media/plant_species/images/large/rhus_thumbnail_leYO2aH.jpg"
},
{
"url": "https://treescape.app/api/genera/rhynchosia/?format=api",
"slug": "rhynchosia",
"latin_name": "Rhynchosia",
"description": "Rhynchosia, also known as snoutbean, is a genus of plants in the family Fabaceae. It includes 260 species of herbs, vines, and subshrubs native to tropical, subtropical, and warm temperate regions around the world, ranging from the southern United States to northern Argentina in the Americas, and through Africa, the Arabian Peninsula, southern Asia from Iran to Korea and Japan, New Guinea, and Australia. Typical habitats include seasonally-dry forest, forest margins, woodland, thicket, wooded grassland, shrubland, and grassland, often in open rocky areas, disturbed areas, or along streams. Many species are pyrophytes. There are several different complexes within the genus, including the Senna complex.",
"gbif_id": 2947992,
"image_thumbnail": "https://treescape.app/media/plant_species/images/thumbnails/rhynchosia_thumbnail_xRkatoP.jpg",
"image_large": "https://treescape.app/media/plant_species/images/large/rhynchosia_thumbnail_egIZgdd.jpg"
},
{
"url": "https://treescape.app/api/genera/ribes/?format=api",
"slug": "ribes",
"latin_name": "Ribes",
"description": "Ribes () is a genus of about 200 known species of flowering plants, most of them native to the temperate regions of the Northern Hemisphere. The various species are known as currants or gooseberries, and some are cultivated for their edible fruit or as ornamental plants. Ribes is the only genus in the family Grossulariaceae.",
"gbif_id": 2986095,
"image_thumbnail": "https://treescape.app/media/plant_species/images/thumbnails/ribes_thumbnail_iM6z0fw.jpg",
"image_large": "https://treescape.app/media/plant_species/images/large/ribes_thumbnail_ToAn9iH.jpg"
},
{
"url": "https://treescape.app/api/genera/ricinus/?format=api",
"slug": "ricinus",
"latin_name": "Ricinus",
"description": "Ricin ( RY-sin) is a lectin (a carbohydrate-binding protein) and a highly potent toxin produced in the seeds of the castor oil plant, Ricinus communis. The median lethal dose (LD50) of ricin for mice is around 22 micrograms per kilogram of body weight via intraperitoneal injection. Oral exposure to ricin is far less toxic. An estimated lethal oral dose in humans is approximately one milligram per kilogram of body weight.\nRicin is a toxalbumin and was first described by Peter Hermann Stillmark, the founder of lectinology. Ricin is chemically similar to robin.",
"gbif_id": 9188216,
"image_thumbnail": "https://treescape.app/media/plant_species/images/thumbnails/ricinus_thumbnail_D7MVJCV.jpg",
"image_large": "https://treescape.app/media/plant_species/images/large/ricinus_thumbnail_FXqsUeY.jpg"
},
{
"url": "https://treescape.app/api/genera/robinia/?format=api",
"slug": "robinia",
"latin_name": "Robinia",
"description": "",
"gbif_id": 2952066,
"image_thumbnail": "https://treescape.app/media/plant_species/images/thumbnails/robinia_thumbnail_KFLAtmI.jpg",
"image_large": "https://treescape.app/media/plant_species/images/large/robinia_thumbnail_potRNgd.jpg"
}
]
}
