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Threatened Plants and algae

 		Species 51 - 100 of 707 [ previous ] [ next ]
Thumbnail for Thamnocalamus tessellatus (Berg bamboo)
Berg bamboo (Thamnocalamus tessellatus)
This bamboo species forms tight clumps of yellowish-green stems, known as culms. The culms turn dark purple in the upperparts and... More 6 Images 0 Videos
Thumbnail for Sabal bermudana (Bermuda palm)
Bermuda palm (Sabal bermudana)
Information on the Bermuda palm is currently being researched and written and will appear here shortly... More 2 Images 0 Videos
Thumbnail for Betula kirghisorum (Betula)
Betula (Betula kirghisorum)
Information on Betula kirghisorum is currently being researched and written and will appear here shortly... More 3 Images 0 Videos
Thumbnail for Biarum davisii (Biarum)
Biarum (Biarum davisii)
Information on Biarum davisii is currently being researched and written and will appear here shortly... More 4 Images 0 Videos
Thumbnail for Neraudia ovata (Big Island ma’oloa)
Big Island ma’oloa (Neraudia ovata)
Information on the Big Island ma’oloa is currently being researched and written and will appear here shortly... More 2 Images 0 Videos
Thumbnail for Swietenia macrophylla (Big-leaf mahogany)
Big-leaf mahogany (Swietenia macrophylla)
The majestic mahogany is a tall tree that towers above the forest canopy. As its name suggests, it bears large leaves, up to 45... More 4 Images 4 Videos
Thumbnail for Convolvulus argyrothamnos (Bindweed)
Bindweed (Convolvulus argyrothamnos)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More 2 Images 0 Videos
Thumbnail for Aloe ferox (Bitter aloe)
Bitter aloe (Aloe ferox)
The bitter aloe is most famous for its medicinal qualities, provided by the golden-brown sap of the leaves. The long, tapering... More 31 Images 2 Videos
Thumbnail for Garcinia kola (Bitter kola)
Bitter kola (Garcinia kola)
Information on the bitter kola is currently being researched and written and will appear here shortly... More 5 Images 0 Videos
Thumbnail for Mammillaria microhelia (Biznaguita)
Biznaguita (Mammillaria microhelia)
Information on the biznaguita is currently being researched and written and will appear here shortly... More 2 Images 0 Videos
Thumbnail for Mammillaria sanchez-mejoradae (Biznaguita)
Biznaguita (Mammillaria sanchez-mejoradae)
This tiny cactus is extremely rare, and was only discovered in 1986. The plant consists of a single small stem that is only around... More 1 Image 0 Videos
Thumbnail for Melanodendron integrifolium (Black cabbage tree)
Black cabbage tree (Melanodendron integrifolium)
The black cabbage tree is a fairly large, spreading tree whose rough bark is permanently moist and is often darkened by a dense... More 6 Images 1 Video
Thumbnail for Diospyros tessellaria (Black ebony)
Black ebony (Diospyros tessellaria)
Recognised for the highly prized quality of its timber, black ebony is a canopy tree that was exploited on a large scale during the... More 1 Image 0 Videos
Thumbnail for Prunus ramburii (Black hawthorn)
Black hawthorn (Prunus ramburii)
Information on the black hawthorn is currently being researched and written and will appear here shortly... More 3 Images 0 Videos
Thumbnail for Pterocarpus angolensis (Bleedwood tree)
Bleedwood tree (Pterocarpus angolensis)
This tropical, deciduous tree is particularly beautiful when the small, sweetly-scented, orange-yellow flowers bloom in spring, and... More 2 Images 0 Videos
Thumbnail for Gladiolus carinatus (Blue Afrikaner)
Blue Afrikaner (Gladiolus carinatus)
The blue Afrikaner, a member of the iris family, has an unusual purple stem, mottled with white. The strongly scented flowers may... More 4 Images 0 Videos
Thumbnail for Latania loddigesii (Blue latan palm)
Blue latan palm (Latania loddigesii)
Information on the blue latan palm is currently being researched and written and will appear here shortly... More 15 Images 0 Videos
Thumbnail for Gladiolus gracilis (Blue pipe)
Blue pipe (Gladiolus gracilis)
A member of the iris family, the blue pipe is one of the many species of Gladiolus that grow in the incredibly biodiverse... More 2 Images 0 Videos
Thumbnail for Psoralea fleta (Blue willow pea)
Blue willow pea (Psoralea fleta)
The blue willow pea is a slender, willowy tree with drooping branches. Its scientific name fleta means ‘weeping’ in Latin... More 1 Image 0 Videos
Thumbnail for Elaeocarpus bojeri (Bois dentelle)
Bois dentelle (Elaeocarpus bojeri)
Information on the bois dentelle is currently being researched and written and will appear here shortly... More 3 Images 0 Videos
Thumbnail for Bomarea longipes (Bomarea)
Bomarea (Bomarea longipes)
Information on Bomarea longipes is currently being researched and written and will appear here shortly... More 1 Image 1 Video
Thumbnail for Protea compacta (Bot River protea)
Bot River protea (Protea compacta)
Information on the Bot River protea is currently being researched and written and will appear here shortly... More 4 Images 0 Videos
Thumbnail for Hyophorbe lagenicaulis (Bottle palm)
Bottle palm (Hyophorbe lagenicaulis)
The swollen, smooth, grey trunk of this palm species is bulbous at the bottom, resembling a bottle when young. As the tree matures... More 6 Images 0 Videos
Thumbnail for Pachypodium lealii (Bottle tree)
Bottle tree (Pachypodium lealii)
The bottle tree owes its name to the unusual swollen shape of its succulent trunk. Covered in slender thorns, the narrow branches... More 13 Images 0 Videos
Thumbnail for Paranomus sceptrum-gustavianus (Bottlebush)
Bottlebush (Paranomus sceptrum-gustavianus)
Information on the bottlebush is currently being researched and written and will appear here shortly... More 1 Image 0 Videos
Thumbnail for Bertholletia excelsa (Brazil-nut tree)
Brazil-nut tree (Bertholletia excelsa)
Information on the Brazil-nut tree is currently being researched and written and will appear here shortly... More 15 Images 2 Videos
Thumbnail for Dalbergia nigra (Brazilian rosewood)
Brazilian rosewood (Dalbergia nigra)
Information on the Brazilian rosewood is currently being researched and written and will appear here shortly... More 3 Images 0 Videos
Thumbnail for Leucadendron laxum (Bredasdorp Conebush)
Bredasdorp Conebush (Leucadendron laxum)
Information on the bredasdorp conebush is currently being researched and written and will appear here shortly... More 1 Image 0 Videos
Thumbnail for Picea breweriana (Brewer’s spruce)
Brewer’s spruce (Picea breweriana)
Information on the Brewer’s spruce is currently being researched and written and will appear here shortly... More 5 Images 0 Videos
Thumbnail for Pinus longaeva (Bristlecone pine)
Bristlecone pine (Pinus longaeva)
The bristlecone pines are one of the world’s oldest living organisms; the oldest known living tree is called ‘Methuselah’ and has... More 15 Images 2 Videos
Thumbnail for Tillandsia sprengeliana (Bromeliad)
Bromeliad (Tillandsia sprengeliana)
Tillandsia sprengeliana is an epiphyte of Brazil’s coastal forest. The plants are often seen growing at an angle and they... More 4 Images 0 Videos
Thumbnail for Brunfelsia jamaicensis (Brunfelsia)
Brunfelsia (Brunfelsia jamaicensis)
Information on Brunfelsia jamaicensis is currently being researched and written and will appear here shortly... More 2 Images 0 Videos
Thumbnail for Anchusa crispa (Buglosse crépue)
Buglosse crépue (Anchusa crispa)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More 3 Images 0 Videos
Thumbnail for Bupleurum elatum (Bupleuro delle Madoni)
Bupleuro delle Madoni (Bupleurum elatum)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More 3 Images 0 Videos
Thumbnail for Bupleurum dianthifolium (Bupleuro di Marettimo)
Bupleuro di Marettimo (Bupleurum dianthifolium)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More 2 Images 0 Videos
Thumbnail for Pterocarpus indicus (Burmese rosewood)
Burmese rosewood (Pterocarpus indicus)
Information on the Burmese rosewood is currently being researched and written and will appear here shortly... More 7 Images 0 Videos
Thumbnail for Felicia fruticosa (Bush felicia)
Bush felicia (Felicia fruticosa)
The pretty bush felicia, a member of the daisy family, is a well-branched shrub; its scientific name refers to this fact as... More 2 Images 0 Videos
Thumbnail for Encephalartos trispinosus (Bushman’s River cycad)
Bushman’s River cycad (Encephalartos trispinosus)
A small, clumped species, the Bushman’s River cycad typically branches from the base, with mature plants developing as many as four... More 6 Images 0 Videos
Thumbnail for Corylopsis pauciflora (Buttercup winter-hazel)
Buttercup winter-hazel (Corylopsis pauciflora)
Information on Corylopsis pauciflora is currently being researched and written and will appear here shortly... More 5 Images 0 Videos
Thumbnail for Rapanea seychellarum (Bwa klate)
Bwa klate (Rapanea seychellarum)
Less than 50 individuals of this incredibly rare tree may remain; a tree which can be identified by its bright green leaves and... More 2 Images 0 Videos
Thumbnail for Carissa edulis var. sechellensis (Bwa sandal)
Bwa sandal (Carissa edulis var. sechellensis)
The bwa sandal is a slender-branched tree that bears smooth, glossy, leaves. The leaves, which measure up to seven centimetres in... More 2 Images 0 Videos
Thumbnail for Dendroseris litoralis (Cabbage tree)
Cabbage tree (Dendroseris litoralis)
Information on the cabbage tree is currently being researched and written and will appear here shortly... More 2 Images 0 Videos
Thumbnail for Ariocarpus trigonus (Cactus)
Cactus (Ariocarpus trigonus)
This striking cactus is only visible from its claw-like tubercles that emerge through the soil; the majority of the stem remains... More 4 Images 0 Videos
Thumbnail for Pilosocereus fulvilanatus subsp. fulvilanatus (Cactus)
Cactus (Pilosocereus fulvilanatus subsp. fulvilanatus)
This tree-like cactus is the typical subspecies of Pilosocereus fulvilanatus. It may reach up to 4 metres tall, or adopt a... More 3 Images 0 Videos
Thumbnail for Copiapoa decorticans (Cactus)
Cactus (Copiapoa decorticans)
Species information is currently being researched and written, and will appear here shortly... More 3 Images 0 Videos
Thumbnail for Jasminocereus thouarsii (Cactus)
Cactus (Jasminocereus thouarsii)
One of only two cactus genera native to the Galapagos, the scientific name of this species, is a reference to its attractive... More 7 Images 0 Videos
Thumbnail for Melocactus pachyacanthus (Cactus)
Cactus (Melocactus pachyacanthus)
Melocactus pachyacanthus is a squat, rounded cactus. Two subspecies are recognised which differ in the appearance of their... More 6 Images 0 Videos
Thumbnail for Cipocereus laniflorus (Cactus)
Cactus (Cipocereus laniflorus)
This columnar, olive-green cactus may reach up to 2 metres in height. The cylindrical columns are woody and upright, with 5 - 7... More 4 Images 0 Videos
Thumbnail for Mammillaria pectinifera (Cactus)
Cactus (Mammillaria pectinifera)
This small, spiny cactus appears above the ground as a squat, cylindrical stem. The stem consists of many swellings, known as... More 3 Images 0 Videos
Thumbnail for Copiapoa ahremephiana (Cactus)
Cactus (Copiapoa ahremephiana)
Species information is currently being researched and written, and will appear here shortly... More 1 Image 0 Videos
Species 51 - 100 of 707 [ previous ] [ next ]