the female gametophyte produced by the megaspore of a plant that produces both microspore and megaspores
megasporangium
Noun
a plant structure that produces megaspores
macrosporangium
Noun
a plant structure that produces megaspores
megasporophyll
Noun
in non-flowering plants, a sporophyll that bears only megasporangia
microgametophyte
Noun
the male gametophyte produced by a microspore
microspore
Noun
smaller of the two types of spore produced in heterosporous plants
microsporangium
Noun
a plant structure that produces microspores
microsporophyll
Noun
in non-flowering plants, a sporophyll that bears only microsporangia
megaspore
Noun
larger of the two types of spore produced in heterosporous plants
macrospore
Noun
larger of the two types of spore produced in heterosporous plants
mother cell
Noun
cell from which another cell of an organism (usually of a different sort) develops
mericarp
Noun
a carpel with one seed
micropyle
Noun
minute opening in the wall of an ovule through which the pollen tube enters
maidenhair tree
Noun
deciduous dioecious Chinese tree having fan-shaped leaves and fleshy yellow seeds
marginal placentation
Noun
with ovules borne on the wall along the ventral suture of a simple ovary
magnoliopsid
Noun
flowering plant with two cotyledons
monocot
Noun
a monocotyledonous flowering plant
mesocarp
Noun
the middle layer of a pericarp
monocotyledon
Noun
a monocotyledonous flowering plant
monocarp
Noun
a plant that bears fruit once and dies
manglietia
Noun
a genus of flowering tree of the family Magnoliaceae found from Malay to southern China
moonseed family
Noun
herbaceous or woody climbers
moonseed
Noun
plant of the family Menispermaceae having red or black fruit with crescent- or ring-shaped seeds
meadow buttercup
Noun
perennial European buttercup with yellow spring flowers widely naturalized especially in eastern North America
mountain grape
Noun
ornamental evergreen shrub of Pacific coast of North America having dark green pinnate leaves and racemes of yellow flowers followed by blue-black berries
mayapple
Noun
North American herb with poisonous root stock and edible though insipid fruit
mountain laurel
Noun
Pacific coast tree having aromatic foliage and small umbellate flowers followed by olivelike fruit
mountain laurel
Noun
a North American evergreen shrub having glossy leaves and white or rose-colored flowers
magnolia family
Noun
subclass Magnoliidae: genera Liriodendron, Magnolia, and Manglietia
magnolia
Noun
any shrub or tree of the genus Magnolia
magnolia
Noun
dried bark of various magnolias
mountain anemone
Noun
silky-foliaged herb of the Rocky Mountains with bluish-white flowers
mountain clematis
Noun
a climbing plant of northeastern North America having waxy purplish-blue flowers
meadow rue
Noun
any of various herbs of the genus Thalictrum
meeting house
Noun
columbine of eastern North America having long-spurred red flowers
marsh marigold
Noun
swamp plant of Europe and North America having bright yellow flowers resembling buttercups
meadow bright
Noun
swamp plant of Europe and North America having bright yellow flowers resembling buttercups
mountain lily
Noun
showy white-flowered perennial of New Zealand
mountain lily
Noun
Japanese lily with golden rays
monkshood
Noun
a poisonous herb native to northern Europe having hooded blue-purple flowers
marsh clematis
Noun
climber of southern United States having bluish-purple flowers
monkeypod
Noun
large ornamental tropical American tree with bipinnate leaves and globose clusters of flowers with crimson stamens and seed pods that are eaten by cattle
monkey pod
Noun
large ornamental tropical American tree with bipinnate leaves and globose clusters of flowers with crimson stamens and seed pods that are eaten by cattle
mock azalia
Noun
South African shrub having a swollen succulent stem and bearing showy pink and white flowers after the leaves fall
manila tamarind
Noun
common thorny tropical American tree having terminal racemes of yellow flowers followed by sickle-shaped or circinate edible pods and yielding good timber and a yellow dye and mucilaginous gum
mimosa bush
Noun
tropical American thorny shrub or small tree
mesquite
Noun
any of several small spiny trees or shrubs of the genus Prosopis having small flowers in axillary cylindrical spikes followed by large pods rich in sugar
mesquit
Noun
any of several small spiny trees or shrubs of the genus Prosopis having small flowers in axillary cylindrical spikes followed by large pods rich in sugar