207 articles
Dasiphora fruticosa
Dasiphora fruticosa (shrubby cinquefoil, formerly Potentilla fruticosa, Chinese jin lu mei 金露梅) is a circumboreal Rosaceae shrub with yellow flowers, host of Clayton's copper butterfly, secure globally (G5) but endangered in Pennsylvania.
Dendrocnide moroides
Dendrocnide moroides, gympie-gympie or mulberrylike stinging tree, is a Queensland and NSW rainforest shrub whose silica-tipped hairs inject gympietide neurotoxins causing months of pain.
Dewberry
Dewberry, trailing brambles of genus Rubus (R. flagellaris, R. trivialis, R. caesius, blåhallon, salmbär), low vine-like canes rooting at tips, red-haired slender thorns, earlier-ripening blackberry-like fruit, distinct from upright blackberries.
Dryas
Dryas is a genus of dwarf shrubs in the rose family, native to subarctic and subalpine regions of the Northern Hemisphere and best known for the mountain avens.
Dryas octopetala
Dryas octopetala, mountain avens or eightpetal mountain-avens, is a circumpolar arctic-alpine evergreen subshrub of Rosaceae with usually eight-petaled white flowers; it names the Older and Younger Dryas cold periods and is Iceland's national flower.
Elaeagnaceae
Elaeagnaceae, the oleaster family (oleaster, sea buckthorn), is a Rosales family of three genera, Elaeagnus, Hippophae, Shepherdia, and ca. 100 Northern Hemisphere species with silvery scales, petal-less flowers, and Frankia nitrogen-fixing root nodules.
Elaeagnus
Elaeagnus (oleaster genus), family Elaeagnaceae, 93 accepted shrub/tree species with silvery scaled leaves, nitrogen-fixing Frankia nodules; includes invasive autumn olive and Russian olive and ornamental hybrids.
Elaeagnus angustifolia
Elaeagnus angustifolia, Russian olive or oleaster, a thorny deciduous Elaeagnaceae tree native from eastern Europe to temperate Asia; nitrogen-fixing, salt-tolerant, invasive in western North American riparian areas, and a traditional medicinal and food plant.
Elm
Ulmus (elms), genus of trees in Ulmaceae, Rosales, native to temperate Eurasia, North Africa, and the Americas; 37 accepted species; devastated by Dutch elm disease (Ophiostoma) spread by bark beetles.
Eriobotrya
Eriobotrya (loquat genus) is a Rosaceae genus of evergreen trees native from the Himalaya to Taiwan and western Malesia, with about 36 species; its type species Eriobotrya japonica is the loquat fruit tree, and its merger into Rhaphiolepis remains disputed.
Fagaceae
Fagaceae (beech family), oaks Quercus, beeches Fagus, chestnuts Castanea; 8 genera, ~1,000 Northern Hemisphere tree species; nuts in woody cupules; major hardwood timbers.
Fagales
Fagales (Engler, 1892) is an order of woody flowering plants in the fabid rosids, with seven families including Betulaceae, Fagaceae, Juglandaceae, Nothofagaceae, Casuarinaceae, Myricaceae, and Ticodendraceae; about 1,325 species, wind-pollinated, Cretaceous origin, NCBI taxonomy ID 3502.
Fagus crenata
Fagus crenata, the Japanese beech, is a deciduous beech-family tree endemic to Japan, growing 15 to 30 meters tall and dominating cool-temperate forests from Kyushu to Hokkaido.
Fagus grandifolia
Fagus grandifolia (American beech), the only North American Fagus, a slow-growing shade-tolerant deciduous tree of eastern North America, 20-30 m, living 300-400 years, threatened chiefly by beech bark disease.
Fagus orientalis
Fagus orientalis, the Oriental beech, is a large deciduous tree of the beech family Fagaceae, native from southeastern Bulgaria across Türkiye to the Caucasus and the Hyrcanian forests of Iran.
Fagus sylvatica
Fagus sylvatica, European beech, is a large deciduous Fagaceae tree native from southern Scandinavia to Sicily and Spain to northwest Turkey, dominating Central European natural forests, with mast fruiting every 5–8 years and around 250 wood usages.
Ficus
Ficus (figs), genus Tourn. ex L. in Moraceae, pantropical trees and hemi-epiphytes with syconium inflorescences pollinated by specific Agaonidae wasps; 892 accepted species per Kew POWO; includes edible Ficus carica and strangler figs.
Ficus benghalensis
Ficus benghalensis, the banyan or Indian banyan (national tree of India), is a huge evergreen fig of the Indian subcontinent whose aerial roots become secondary trunks; it starts as a strangler epiphyte and is pollinated by species-specific fig wasps.
Ficus benjamina
Ficus benjamina, the weeping fig (垂叶榕), is an evergreen Moraceae tree native to tropical and subtropical Asia and northern Australia, widely grown indoors and outdoors; known for leaf drop, irritant sap, and Least Concern status.
Ficus elastica
Ficus elastica (rubber plant, India rubber fig), a Moraceae tree native from Nepal to western Malesia; once a rubber source, now a common houseplant, IUCN Least Concern, 2n=26.
Ficus lyrata
Ficus lyrata (fiddle-leaf fig, banjo fig) is a hemiepiphytic Moraceae tree native to west and west-central tropical Africa, a Least Concern species grown as a large-leaved landscape tree and popular but fussy houseplant.
Ficus microcarpa
Ficus microcarpa (Chinese banyan, Indian laurel) is a hemiepiphytic fig tree native from tropical Asia to the western Pacific, pollinated by the wasp Parapristina verticillata, widely planted as an ornamental and bonsai, and a Category I invasive in Florida after its pollinator was introduced.
Ficus racemosa
Ficus racemosa, commonly called the cluster fig or gular, is a large fig tree native from Pakistan to northern Australia and pollinated by the fig wasp Ceratosolen fusciceps.
Ficus religiosa
Ficus religiosa, the sacred fig or aśvattha (peepal, bodhi tree), is a Moraceae strangler fig up to 30 m native to India to southern China, pollinated by Platyscapa quadraticeps, sacred in Hinduism and Buddhism, with the 288 BC Sri Maha Bodhi as the oldest dated plant.
Ficus sycomorus
Ficus sycomorus (sycamore fig, Egyptian sycamore), Moraceae, a large African riverine fig tree pollinated by Ceratosolen arabicus; seedless and human-propagated in Egypt and the Middle East; sacred in ancient Egypt; IUCN Least Concern.
Fig
Fig (Ficus carica), the common fig of the mulberry family, an edible syconium fruit. Four types (Caprifig, Smyrna, San Pedro, Common); common types are parthenocarpic, needing no fig wasp pollination; Turkey leads production.
Filipendula
Filipendula (meadowsweet, dropwort), a Rosaceae genus of about 10–15 perennial herbs of the temperate Northern Hemisphere; basal genus of Rosoideae, diverging about 82.88 Ma; includes medicinal F. ulmaria.
Fragaria vesca
Fragaria vesca, woodland or wild strawberry, alpine strawberry, is a diploid Rosaceae perennial herb with 240 Mb genome, reference genome for Fragaria, and diploid progenitor of cultivated Fragaria × ananassa.
Frangula alnus
Frangula alnus (alder buckthorn, glossy buckthorn; syn. Rhamnus frangula), a Rhamnaceae shrub native from Europe to Central Siberia and NW Africa, used for laxative bark and gunpowder charcoal, and a highly invasive North American weed.
Fred the Tree
Fred the Tree is an Australian pine (Casuarina) growing out of the roadbed of the abandoned Old Seven Mile Bridge in the Florida Keys, a celebrated local landmark.