刺、刺棘、刺针、芒刺、荆棘
a small sharp-pointed tip resembling a spike on a stem or leaf
义项编号 13089631-n共 41,499 条,第317页完整浏览。按义项组织词语;同义词集及概念关系不表示这些词在任意句子中都能替换。英文义项说明保留来源原文。
a small sharp-pointed tip resembling a spike on a stem or leaf
义项编号 13089631-na barbed spine or bristle (often tufted on cacti)
义项编号 13089902-n同一义项的词语:荆棘
a thorny stem or twig
义项编号 13090018-n同一义项的词语:绒毛
filamentous hairlike growth on a plant; "peach fuzz"
义项编号 13090091-n同一义项的词语:螫毛
a multicellular hair in plants like the stinging nettle that expels an irritating fluid
义项编号 13090248-n同一义项的词语:种毛
(botany) a usually terminal tuft of bracts (as in the pineapple) or tuft of hairs (especially on certain seeds)
义项编号 13090395-nslender bristlelike appendage found on the bracts of grasses
义项编号 13090743-n同一义项的词语:假种皮
fleshy and usually brightly colored cover of some seeds that develops from the ovule stalk and partially or entirely envelopes the seed
义项编号 13090871-n同一义项的词语:输送管
a continuous tube formed by a row of elongated cells lacking intervening end walls
义项编号 13091057-n同一义项的词语:精子器柄
gametophore bearing antheridia as in certain mosses and liverworts
义项编号 13091492-nleaf in ferns and mosses that bears the sporangia
义项编号 13091620-norgan containing or producing spores
义项编号 13091774-nstalk bearing one or more sporangia
义项编号 13091982-n同一义项的词语:子囊
saclike structure in which ascospores are formed through sexual reproduction of ascomycetes
义项编号 13092078-n同一义项的词语:子囊孢子
sexually produced fungal spore formed within an ascus
义项编号 13092240-n同一义项的词语:节孢子
one of a string of thick walled vegetative resting cells formed by some algae and fungi
义项编号 13092385-n同一义项的词语:节孢子
a body that resembles a spore but is not an endospore; produced by some bacteria
义项编号 13092548-na case or sheath especially a pollen sac or moss capsule
义项编号 13092722-na sterile simple or branched filament or hair borne among sporangia; may be pointed or clubbed
义项编号 13092836-na sporangium that arises from a group of epidermal cells
义项编号 13092987-n同一义项的词语:四分孢子囊
a sporangium containing four asexual spores
义项编号 13093275-n同一义项的词语:孢囊柱
a spore-bearing branch or organ: the part of the thallus of a sporophyte that develops spores; in ferns and mosses and liverworts is practically equivalent to the sporophyte
义项编号 13093380-n同一义项的词语:配子囊
cell or organ in which gametes develop
义项编号 13093629-n同一义项的词语:雌蕊
a female gametoecium
义项编号 13093852-n同一义项的词语:雄蕊
a male gametoecium
义项编号 13093928-na modified branch bearing gametangia as in the thalloid liverworts
义项编号 13094003-ncluster of sporangia usually on underside of a fern frond
义项编号 13094145-n同一义项的词语:芽胞囊群
a spore-producing structure in certain lichens and fungi
义项编号 13094273-na membrane enclosing and protecting the developing spores especially that covering the sori of a fern
义项编号 13094381-n同一义项的词语:菌伞膜
membrane initially completely investing the young sporophore of various mushrooms that is ruptured by growth; represented in the mature mushroom by a volva around lower part of stem and scales on upper surface of the cap
义项编号 13094732-nmembrane of the young sporophore of various mushrooms extending from the margin of the cap to the stem and is ruptured by growth; represented in mature mushroom by an annulus around the stem and sometimes a cortina on the margin of the cap
义项编号 13095013-n(Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar
义项编号 13095348-n同一义项的词语:游动精子
a motile male gamete of a plant such as an alga or fern or gymnosperm
义项编号 13095543-n同一义项的词语:植物组织
the tissue of a plant
义项编号 13095685-n同一义项的词语:果肉
a soft moist part of a fruit
义项编号 13096035-nsoft spongelike central cylinder of the stems of most flowering plants
义项编号 13096159-nthe primary tissue of higher plants composed of thin-walled cells that remain capable of cell division even when mature; constitutes the greater part of leaves, roots, the pulp of fruits, and the pith of stems
义项编号 13096317-n同一义项的词语:绿色组织
parenchyma whose cells contain chloroplasts
义项编号 13096677-n同一义项的词语:木材
woody tissue
义项编号 13096779-n同一义项的词语:维管组织
tissue that conducts water and nutrients through the plant body in higher plants
义项编号 13096863-n同一义项的词语:中柱
the usually cylindrical central vascular portion of the axis of a vascular plant
义项编号 13097187-n同一义项的词语:形成层
a formative one-cell layer of tissue between xylem and phloem in most vascular plants that is responsible for secondary growth
义项编号 13097338-n同一义项的词语:边材
newly formed outer wood lying between the cambium and the heartwood of a tree or woody plant; usually light colored; active in water conduction
义项编号 13097536-nthe older inactive central wood of a tree or woody plant; usually darker and denser than the surrounding sapwood
义项编号 13097752-n同一义项的词语:维管束
a unit strand of the vascular system in stems and leaves of higher plants consisting essentially of xylem and phloem
义项编号 13097949-n同一义项的词语:叶脉
any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ
义项编号 13098186-n同一义项的词语:维管射线
a sheet of vascular tissue separating the vascular bundles
义项编号 13098515-n同一义项的词语:木质部
the woody part of plants: the supporting and water-conducting tissue, consisting primarily of tracheids and vessels
义项编号 13098648-n同一义项的词语:管胞
long tubular cell peculiar to xylem
义项编号 13098853-n同一义项的词语:韧皮部
(botany) tissue that conducts synthesized food substances (e.g., from leaves) to parts where needed; consists primarily of sieve tubes
义项编号 13098962-n同一义项的词语:筛管
tube formed by cells joined end-to-end through which nutrients flow in flowering plants and brown algae
义项编号 13099194-n同一义项的词语:伪韧皮部
false phloem
义项编号 13099373-n同一义项的词语:韧皮纤维
strong woody fibers obtained especially from the phloem of from various plants
义项编号 13099444-n同一义项的词语:虫瘿
abnormal swelling of plant tissue caused by insects or microorganisms or injury
义项编号 13099586-n同一义项的词语:栎瘿
oak gall caused by larvae of a cynipid wasp
义项编号 13099734-n同一义项的词语:常绿植物
a plant having foliage that persists and remains green throughout the year
义项编号 13099833-n同一义项的词语:落叶植物
a plant having foliage that is shed annually at the end of the growing season
义项编号 13099999-n同一义项的词语:有毒植物
a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism
义项编号 13100156-n同一义项的词语:攀缘植物
a vine or climbing plant that readily grows up a support or over other plants
义项编号 13102409-n同一义项的词语:匍匐植物
any plant (as ivy or periwinkle) that grows by creeping
义项编号 13102648-nusually coiled
义项编号 13102946-n同一义项的词语:根攀植物
a plant that climbs by its adventitious roots e.g. ivy
义项编号 13103023-n同一义项的词语:木本植物
a plant having hard lignified tissues or woody parts especially stems
义项编号 13103136-n同一义项的词语:木本植物门
a category in some early taxonomies
义项编号 13103660-n同一义项的词语:树木状植物
having the shape or characteristics of a tree
义项编号 13103750-n同一义项的词语:残桩
a dead tree that is still standing, usually in an undisturbed forest; "a snag can provide food and a habitat for insects and birds"
义项编号 13103877-na tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms
义项编号 13104059-n同一义项的词语:小树
a small tree
义项编号 13107807-n同一义项的词语:乔木
tree (as opposed to shrub)
义项编号 13107891-n同一义项的词语:角豆树
any of several trees having seedpods as fruits
义项编号 13108131-n同一义项的词语:截头树
a tree with limbs cut back to promote a more bushy growth of foliage
义项编号 13108323-nyoung tree
义项编号 13108481-n同一义项的词语:荫影树
a tree planted or valued chiefly for its shade from sunlight
义项编号 13108545-n同一义项的词语:裸子植物
any tree of the division Gymnospermophyta
义项编号 13108662-nany gymnospermous tree or shrub bearing cones
义项编号 13108841-n同一义项的词语:被子植物
any tree having seeds and ovules contained in the ovary
义项编号 13109733-n同一义项的词语:坚果树
tree bearing edible nuts
义项编号 13110915-n同一义项的词语:香料树
tree bearing aromatic bark or berries
义项编号 13111174-n同一义项的词语:蓝桉树
any of several trees having leaves or bark used to allay fever or thought to indicate regions free of fever
义项编号 13111340-n同一义项的词语:母株
(forestry) the stump of a tree that has been felled or headed for the production of saplings
义项编号 13111700-na dwarfed ornamental tree or shrub grown in a tray or shallow pot
义项编号 13111881-n同一义项的词语:明树
a dwarfed evergreen conifer or shrub shaped to have flat-topped asymmetrical branches and grown in a container
义项编号 13112035-n同一义项的词语:明树
an artificial plant resembling a bonsai
义项编号 13112201-n同一义项的词语:地被
small plants other than saplings growing on a forest floor
义项编号 13112296-n同一义项的词语:地被
low-growing plants planted in deep shade or on a steep slope where turf is difficult to grow
义项编号 13112427-n同一义项的词语:灌木
a low woody perennial plant usually having several major stems
义项编号 13112664-na low shrub
义项编号 13118330-n(Old Testament) the bush that burned without being consumed and from which God spoke to Moses
义项编号 13118398-n同一义项的词语:小灌木
dwarf shrub
义项编号 13118569-nlow-growing woody shrub or perennial with woody base
义项编号 13118707-n同一义项的词语:花灌木
shrub noted primarily for its flowers
义项编号 13120003-na woody climbing usually tropical plant
义项编号 13120211-n同一义项的词语:寄生植物
plant living on another plant and obtaining organic nutriment from it
义项编号 13120446-na parasitic plant that contains some chlorophyll and therefore is capable of photosynthesis
义项编号 13120775-n同一义项的词语:地下芽植物
a perennial plant that propagates by underground bulbs or tubers or corms
义项编号 13120958-n同一义项的词语:漠境植物
plant adapted for life with a limited supply of water; compare hydrophyte and mesophyte
义项编号 13121104-n同一义项的词语:水生植物
a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth
义项编号 13121544-n同一义项的词语:沼泽植物
a semiaquatic plant that grows in soft wet land; most are monocots: sedge, sphagnum, grasses, cattails, etc; possibly heath
义项编号 13122364-nplant that derives moisture and nutrients from the air and rain; usually grows on another plant but not parasitic on it
义项编号 13122985-n同一义项的词语:半附生植物
a plant that is an epiphyte for part of its life
义项编号 13123309-n