upas
A tree, Antiaris toxicaria, of the mulberry family, common in the forests of Java and the neighboring islands, with poisonous secretions.
A virulent poison used in Java and the adjacent islands for poisoning arrows and derived from the tree.
A poison prepared from the climbing plant Strychnos tieute.

upases
plural of upas

upo
Lagenaria siceraria; a vine grown for its fruit.

urali
Alternative form of wourali.

urare
Alternative form of curare.

urari
Alternative form of curare.

urceoli
plural of urceolus

urceolus
Any urn-shaped organ of a plant.

uredia
plural of uredium

uredinia
plural of uredinium

uredinium
A pustule that occurs on the leaves and stems of a plant infected with rust fungus.

uredium
Synonym of uredinium.

uriam
Any tree of species Bischofia javanica, of Southeast Asia and the Pacific islands.

urucu
Alternative form of urucum.

urucum
Achiote.

urucuri
An acuri palm, a palm tree of species Attalea phalerata.

urucuris
plural of urucuri

urushi
Lacquer from the tree Toxicodendron vernicifluum.

uvularia
Any plant of the genus Uvularia.

uvularias
plural of uvularia

vanaspati
Any plant that bears fruits but no evident flowers.

vanaspatis
plural of vanaspati

vanda
Any orchid of the genus Vanda.

vandas
plural of vanda

vanglo
Sesamum indicum, the sesame plant.

vanilloes
An inferior kind of vanilla, the pods of Vanilla pompona.

variegation
A variation in the colour of different zones of the same plant.
The state of being variegated; streaked, spotted.

variegations
plural of variegation

varigation
Misspelling of variegation.

varnishleaf
hopbush, soapwood, akeake (Dodonaea viscosa)

vascular plants
plural of vascular plant

vasevine
Clematis viorna, a plant of eastern North America.

velvetmallow
Any of the flowering species of the genus Horsfordia.

venatica
Obsolete spelling of vinhatico.

ventilagin
A resinous colouring matter obtained from the plant Ventilago madraspatana.

verdolaga
Portulaca oleracea, common purslane.

verdolagas
plural of verdolaga

verek
A plant of species Senegalia senegal, from which gum arabic is obtained.

vergaloue
virgalieu, a variety of pear.

vergaloues
plural of vergaloue

vernalgrass
A plant of the genus Anthoxanthum.

vernalgrasses
plural of vernalgrass

vernation
The appearance of new leaves.
The arrangement of multiple organs (such as leaves and flower parts) within a bud.
Arrangement of only leaves within the bud; prefoliation.

vernations
plural of vernation

verticil
A whorl, a group of similar parts such as leaves radiating from a shared axis

verticils
plural of verticil

verticordia
A plant belonging to the genus Verticordia.

verticordias
plural of verticordia

vervain
Any herbaceous plant in the genus Verbena especially if used for medicinal purposes, primarily Verbena officinalis, common in Europe and formerly held to have medicinal properties.

vervaine
Obsolete spelling of vervain.

vervains
plural of vervain

vervein
Obsolete form of vervain.

verveine
Obsolete form of vervain.

vetkousie
The flowering plant Carpanthea pomeridiana.

vetony
betony (Stachys officinalis)

vijao
A tree of the banana family.

vilwa
The bael tree.

vilwas
plural of vilwa

vinatico
Archaic spelling of vinhatico.

vineberries
plural of vineberry

vineberry
a berry that grows on a vine, especially a cranberry or grape

vinegarweed
Trichostema lanceolatum, an annual flowering herb of the mint family with an intensely pungent scent, native to western North America.

vinelet
A young vine

vinelets
plural of vinelet

vinestalk
The stalk of a vine.

vinestalks
plural of vinestalk

vinestem
The stem of a vine.

vinestems
plural of vinestem

vinestock
The principal stem of a vine

vinestocks
plural of vinestock

vinewood
wood from a vine

vinhatico
The Madeira mahogany; Persea indica.

vinifera
Vitis vinifera, the common grape vine.

viniferas
plural of vinifera

viridiplant
Any green alga or green plant of the clade Viridiplantae

viridiplants
plural of viridiplant

virusoid
A circular single-stranded RNA, similar but not identical to a viroid, dependent on plant viruses for replication and encapsidation.

virusoids
plural of virusoid

viscidone
A phytochemical from the plant Chrysothamnus viscidiflorus, systematically named 1-[(2R)-5-hydroxy-2-(3-hydroxyprop-1-en-2-yl)-2,3-dihydro-1-benzofuran-6-yl]ethanone

vitroplant
An artificially propagated plant that is grown in vitro.

vitroplants
plural of vitroplant

vivotoxin
A pathotoxin that leads to disease in the infected plant

vivotoxins
plural of vivotoxin

voltzialean
Any extinct tree of the order †Voltziales

voltzialeans
plural of voltzialean

volvocalean
Any green alga of the former order Volvocales (syn. Chlamydomonadales)

volvocaleans
plural of volvocalean

vomitwort
A flowering plant of species Lobelia inflata.

vygie
Any plant of the subfamily Mesembryanthemoideae, succulent groundcovers.

vygies
plural of vygie

waahoo
A plant, the burning bush, Euonymus atropurpureus.

waddywood
An Australian tree, Pittosporum bicolor.
Its wood, used in making waddies.

waddywoods
plural of waddywood

wallplant
A plant that grows on a wall.

wallplants
plural of wallplant

walnutwood
The wood of the walnut tree.

wampee
A tree, Clausena lansium, cultivated in China and the East Indies.
The fruit of this tree.
Pontederia species, especially Pontederia cordata.

wampees
plural of wampee

wampi
Alternative spelling of wampee.

wampis
plural of wampi

wanghee
Bamboo species of the genus Phyllostachys, especially Phyllostachys nigra.
A walking cane made from such bamboo.

wanghees
plural of wanghee

wartcress
Any of various plants of the genus Lepidium.

wartwort
Any of various plants, including Norther European species of spurge (Euphorbia) and the nipplewort (Lapsana communis), formerly believed to cure warts.

wartworts
plural of wartwort

wasabi
A plant of the species Eutrema japonicum, cultivated for its edible root.
A pungent green Japanese condiment made from the plant Eutrema japonicum (syn. Wasabia japonica).
An imitation of this condiment made from horseradish with green dye.

wasabis
plural of wasabi

water-purslane
A plant of species Lythrum portula, native in Europe introduced in North America.
A marsh seedbox (Ludwigia palustris), native to North America, naturalized in Europe.

waterblommetjie
The flower of Aponogeton distachyos.

waterblommetjies
plural of waterblommetjie

waterboom
Syzygium cordatum, a tree typically growing out of wet ground.

waterdock
Any of a species of perennial herbaceous plants in the genus Rumex native to fens and freshwater banks of Europe and Western Asia.

waterdocks
plural of waterdock

waterhemp
Any of several plants of the genus Amaranthus

waterleaf
Any plant of the genus Hydrophyllum.
Any plant of Hydrophyllaceae, the waterleaf family.
A tropical plant (Talinum fruticosum), the leaves of which are eaten as a vegetable.
A leaf-shaped decoration used on the capitals of columns in late 12th-century Romanesque architecture
An absorbent unsized paper, somewhat like blotter paper.

waterleafs
plural of waterleaf

watermelon
A plant of the species Citrullus lanatus, bearing a melon-like fruit.
The fruit of the watermelon plant, having a green rind and watery flesh that is typically bright red when ripe and contains black seeds.
An environmentalist with socialist leanings, an ecosocialist.
A pinkish-red colour, like that of watermelon flesh (also called watermelon pink).
A project that is presented as on schedule when it actually has parts that are falling behind.
A breast, especially that of an adult or adolescent female human.

watermelons
plural of watermelon

waterplant
An aquatic plant

waterplants
plural of waterplant

watershoot
A sprig or shoot from the root or stock of a tree.
That which serves to guard from falling water; a drip or dripstone.
A trough for discharging water.

watershoots
plural of watershoot

watersprite
The plant Ceratopteris thalictroides.