Click on the first letter of the common name.

Threatened Plants and algae

Species 1 - 50 of 317 [ next ]
African blackwood (Dalbergia melanoxylon)
This small, unassuming tree conceals one of the most sought-after and valuable heartwoods in the world. Stripping away the... More5 Images5 Videos
African pencil cedar (Juniperus procera)
The African pencil cedar, the tallest of all juniper species in the world, acquired its name from its extensive use in the... More3 Images0 Videos
African teak (Milicia excelsa)
Information on Milicia excelsa is currently being researched and written and will appear here... More3 Images0 Videos
African teak (Pericopsis elata)
Resembling other teaks, the African teak has brown, green or yellow-brown bark and a straight grain. Growing to 50 m, this tree has... More2 Images0 Videos
African walnut (Lovoa trichilioides)
This tall African forest tree is an important source of timber. The straight trunk is covered with smooth dark bark that becomes... More2 Images0 Videos
Akamas centaury (Centaurea akamantis)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More2 Images0 Videos
Albany pitcher plant (Cephalotus follicularis)
Information on the Albany pitcher plant is currently being researched and written and will appear here... More8 Images0 Videos
Albertinia pincushion (Leucadendron muirii)
Information on Leucadendron muirii is currently being researched and written and will appear here... More1 Image0 Videos
Albizia (Albizia ferruginea)
The albizia is a widespread African tree and common timber species, with a beautiful spreading crown. The trunk is straight with... More4 Images0 Videos
Alchemilla (Alchemilla fischeri camerunensis)
This small silvery herb is a subspecies of Alchemilla fischeri, and is only known from the summit of a single mountain. The leaf... More1 Image0 Videos
Alerce (Fitzroya cupressoides)
This majestic giant conifer of the southern hemisphere inspires as much awe as its North American relative, the giant sequoia... More4 Images0 Videos
Anthemis (Anthemis filicaulis)
This small herb has very slender, appressed-hairy stems with alternating leaves and, like all Composit plants, possesses... More4 Images0 Videos
Apid den Bermejo (Apium bermejoi)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More1 Image0 Videos
Artichoke cactus (Obregonia denegrii)
This small cactus is just visible above the surface of the ground, as the heads emerge only slightly from the larger underground... More2 Images0 Videos
Ascension spurge (Euphorbia origanoides)
These dome-shaped plants are extremely attractive. The fleshy stems of the Ascension spurge are crimson in colour and contain... More7 Images0 Videos
Azobe (Lophira alata)
Information on the azobe is currently being researched and written and will appear here... More2 Images0 Videos
Azores laurel cherry (Prunus lusitanica azorica)
This subspecies of Portugal laurel (Prunus lusitanica) is a hardy evergreen tree with larger, thicker leaves than the other... More7 Images0 Videos
Baboon-root (Babiana montana)
Information on Babiana Montana is currently being researched and written and will appear here... More1 Image0 Videos
Baku (Tieghemella heckelii)
This beautiful, tall forest tree is also a commercially valuable timber species. The trunk of the baku is straight, cylindrical... More1 Image0 Videos
Barbaricina colombin (Aquilegia barbaricina)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More1 Image0 Videos
Bastard quiver tree (Aloe pillansii)
The bastard quiver tree casts a dramatic shape on the desolate skyline of the Succulent Karoo in southern Africa. This succulent... More8 Images0 Videos
Bayahibe rose (Pereskia quisqueyana)
Information on the bayahibe rose is currently being researched and written and will appear here... More1 Image0 Videos
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... More6 Images0 Videos
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... More4 Images4 Videos
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... More2 Images0 Videos
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... More31 Images2 Videos
Bitter kola (Garcinia kola)
Information on the bitter kola is currently being researched and written and will appear here... More5 Images0 Videos
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... More1 Image0 Videos
Black cabbage tree (Melanodendron integrifolium)
Information on the black cabbage tree is currently being researched and written and will appear here... More2 Images0 Videos
Bleedwood tree (Pterocarpus angolensis)
This tropical, deciduous tree is particularly beautiful when the small, sweetly-scented, orange-yellow flowers bloom in spring, and... More2 Images0 Videos
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... More4 Images0 Videos
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 Cape... More2 Images0 Videos
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... More1 Image0 Videos
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... More3 Images0 Videos
Brazil-nut tree (Bertholletia excelsa)
Information on the Brazil-nut tree is currently being researched and written and will appear here... More15 Images0 Videos
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... More15 Images2 Videos
Bromeliad (Tillandsia sprengeliana)
Tillandsia sprengeliana is an epiphyte of Brazils coastal forest. The plants are often seen growing at an angle and they consist... More4 Images0 Videos
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... More3 Images0 Videos
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... More3 Images0 Videos
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... More2 Images0 Videos
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... More2 Images0 Videos
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... More2 Images0 Videos
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... More2 Images0 Videos
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... More4 Images0 Videos
Cactus (Cipocereus laniflorus)
This columnar, olive-green cactus may reach up to 2 metres in height. The cylindrical columns are woody and upright, with... More4 Images0 Videos
Cactus (Copiapoa ahremephiana)
Species information is currently being researched and written, and will appear here... More1 Image0 Videos
Cactus (Copiapoa decorticans)
Species information is currently being researched and written, and will appear here... More3 Images0 Videos
Cactus (Echinocereus pulchellus subsp. pulchellus)
This small cactus is the typical subspecies of Echinocereus pulchellus; it is easy to miss, being barely seen above the ground... More3 Images0 Videos
Cactus (Mammillaria pectinifera)
This small, spiny cactus appears above the ground as a squat, cylindrical stem. The stem consists of many swellings, known... More3 Images0 Videos
Cactus (Melocactus glaucescens)
This small, rounded or pyramidal cactus is highly attractive. The stem is crowned by a concentration of wool and bristles known... More4 Images0 Videos
Species 1 - 50 of 317 [ next ]