tanghin
A poison obtained from the kernels of the plant Cerbera manghas (syn. Tanghinia venenifera) from Madagascar

tanghine
Alternative form of tanghin.

tangie
An Orcadian water-spirit, appearing as a seahorse or a man covered with seaweed.

tangies
plural of tangie

tansyaster
A North American flower of the genus Dieteria.

tantoon
A plant of species Leptospermum polygalifolium.

tapeweed
A herbaceous plant of the genus Posidonia

tapeweeds
plural of tapeweed

taproot
A long, tapering root, exhibited by many plant species (such as carrots and dandelions).

taproots
plural of taproot

tarapoto
A kind of palm tree.

tarenna
Any flowering plant of the genus Tarenna.

tasselflower
A tropical flower of the genus Emilia.

tatta
A bamboo frame or trellis hung at a door or window of a house, over which water is allowed to trickle, in order to moisten and cool the air as it enters.

tattas
plural of tatta

taupata
Coprosma repens, a flowering shrub or small tree of New Zealand.

taupatas
plural of taupata

tavahi
A shrub of the sumac family, Rhus taitensis, native to Southeast Asia, Australasia, and the Pacific Islands.

tawapou
Pouteria costata, the bastard ironwood.

tawari
A bushy tree of species Ixerba brexioides, endemic to the northern half of the North Island of New Zealand.

tawaris
plural of tawari.

tawhero
Synonym of towai (“Pterophylla sylvicola”).

taxodiacean
Any conifer once placed in the family Taxodiaceae (now Cupressaceae).

taxodiaceans
plural of taxodiacean

teelseed
sesame seed

teelseeds
plural of teelseed

teil
The lime tree, or linden.

teils
plural of teil

telakucha
An ivy gourd (Coccinia grandis).

telalginite
An alginite found in sapropel and composed of large, discretely occurring colonial or thick-walled unicellular algae.

telalginites
plural of telalginite

teleheating
The supply of heat, either in the form of steam or hot water, from a central source (such as a nuclear power plant) to a group of buildings (such as a city).

teleophyte
a plant of perfect or complete organization; one of the higher plants
a plant composed of a number cells arranged in tissues

teleophytes
plural of teleophyte

telephilon
A plant used in Ancient Greece in divinatory rituals regarding matters of love or sex.

telome
A terminal branch of a stem, thought to have evolved into the leaf, according to one theory of plant morphology.

telomes
plural of telome

teloschistin
Synonym of fallacinol.

temak
A tree, Shorea siamensis

temaks
plural of temak

tenacle
A stalk or shoot by which a plant holds itself up, or by which climbing plants attach themselves to surfaces.

tenacles
plural of tenacle

tenagophyte
A plant which may or may not require being submerged in water, but which does not require an aerial phase for sexual reproduction; an amphibious plant (typically found in a wet or regularly flooded area).

tenagophytes
plural of tenagophyte

tendron
A young, tender plant shoot; a bud.
The gristle or cartilage of the ribs.

tendrons
plural of tendron

tengkawang
The tree Shorea macrophylla, from Borneo, that has oil-bearing seeds

tengkawangs
plural of tengkawang

tentwort
A small fern, Asplenium ruta-muraria.

tepal
Any component of the perianth (outermost whorls of flower parts, not involved in reproduction), especially when the components are not distinguished into sepals and petals.

tepals
plural of tepal

tephrosin
A natural piscicide found in the leaves and seeds of Tephrosia purpurea.

tepin
The chiltepin or its fruit.

tepozan
A tree of species Buddleja cordata, of Mexico.

tepozans
plural of tepozan

terminalian
Any large tree and flowering plant of the genus Terminalia.

terminalians
plural of terminalian

terophyte
Misspelling of therophyte.

terotechnology
The engineering and technology related to the design and maintenance of industrial plant machinery.

terr
An insurgent in the Rhodesian Bush War.

terrs
plural of terr

tetraphid
Any moss in the family Tetraphidaceae.

tetraphids
plural of tetraphid

tetrasporophyte
A sporophyte, in red algae, that produce tetraspores (actually meiospores)

tetrasporophytes
plural of tetrasporophyte

thalassiophyte
any plant belonging to one of the obsolete taxonomic groups known as Thalassiophyta, which were believed to comprise various parts of the marine algae or seaweeds, depending on the classification system.

thalassiophytes
plural of thalassiophyte

thalassophyte
Alternative form of thalassiophyte.

thalassophytes
plural of thalassophyte

thalictrum
Any plant of the genus Thalictrum; meadowrue.

thalictrums
plural of thalictrum

thalli
plural of thallus

thallophyte
Any of very many primitive plants that consist of a thallus (plant body not differentiated into roots, stems and leaves), formerly collected in the obsolete taxonomic group Thallophyta.

thallophytes
plural of thallophyte

thallus
An undifferentiated plant body, such as in algae.
Any plant body lacking vascular tissue.

thalluses
plural of thallus

thanakha
A yellowish-white cosmetic paste made from ground wood apple tree bark, worn mainly by Burmese women.

thapsane
Any of a family of sesquiterpenes that are found in Mediterranean plants.

thapsanes
plural of thapsane

theesee
Alternative form of thitsee.

theke
The theca of a lichen.

thekes
plural of theke

thelypodies
plural of thelypody

thelypody
Any of the cruciferous flowering plants in the genus Thelypodium.

thematicization
Insertion of a thematic vowel on the root or stem of the word to make it undergo one of the productive vocalic inflections.

thematicizations
plural of thematicization

thermoperiod
The daily period during which a plant is subjected to warmth

thermoperiods
plural of thermoperiod

thermophyte
Any plant that tolerates high temperatures

thermophytes
plural of thermophyte

thermopriming
The warming of seed prior to sowing.

thermotropism
Thermotropic movement of a plant or plant part in response to changes in temperature.

thermotropisms
plural of thermotropism

therophyte
Any plant which survives unfavourable seasons in the form of seeds only

therophytes
plural of therophyte

thietsie
Alternative form of thitsee.

thigmomorphogenesis
The response of a plant to touch or other mechanical sensation.

thitsee
A black varnish obtained from the tree Melanorrhoea usitatissima.

thitsi
The tree Gluta usitata.
A resin produced by that tree.
A black varnish produced from such resin.

thitsiol
A poisonous, incompletely identified 4-heptadec(en)yl catechol found in plants of the genus Gluta.

thornbush
Any of many thorny or spiny shrubs and bushes.

thornbushes
plural of thornbush

thornshrub
Synonym of thornbush.

thornshrubs
plural of thornshrub

threeawn
Any grass in the genus Aristida.

threeawns
plural of threeawn

throatwort
A plant, Trachelium caeruleum (syn. Campanula trachelium), with a throat-shaped corolla, once considered a remedy for sore throats.
Dense blazingstar

throatworts
plural of throatwort

throughfall
The shedding of excess water from leaves to the ground.

throughfalls
plural of throughfall

thrumwort
A species of flowering marsh plant, Damasonium alisma.
A kind of amaranth (Amaranthus caudatus).

thujene
Any of several isomeric bicyclic monoterpenes found in various herbs.

thujenes
plural of thujene

thunderwood
A woody shrub of species Toxicodendron vernix.

thussock
Obsolete form of tussock.

thussocks
plural of thussock

thyine
The fragrant wood of a North African tree (Tetraclinis articulata) in the family Cupressaceae.

thylacoid
Rare spelling of thylakoid.

thylakoid
a folded membrane within plant chloroplasts from which grana are made, used in photosynthesis

thylakoids
plural of thylakoid

thyme
Any plant of the labiate genus Thymus, such as garden thyme (Thymus vulgaris), a warm, pungent aromatic, that is much used to give a relish to seasoning and soups.

tiaong
A tree of species Shorea ovata.
The wood of this tree.

tibisiri
ita palm fibre

tickwood
An Australian tree of the genus Endiandra.