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Plant Characteristics

A list of specialist words which might be used in field guides ... more.

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Filter terms by difficulty level:

S

Sagittate : Of the base of a flat organ, shaped like an arrow-head; of a leaf blade, narrow with two basal lobes directed downwards.
Parent Term:Leaf_base
Difficulty Level:
 
Salty : -
Parent Term:Taste
 
Samara : -
Parent Term:Fruit_type
Show examples »
 
Sapling : -
Parent Term:Juvenile
Plural:Saplings
 
Saprophyte : A plant (usually lacking chlorophyll) which nourishes wholly or mainly from soluble organic compounds in decaying organisms.
Parent Term:Habit
Difficulty Level:
 
Savanna : -
Parent Term:Vegetation
 
Savanna-woodland : -
Parent Term:Vegetation
Show examples »
 
Scabrid : -
Parent Term:Surface_texture
Synonyms: scabrous
Difficulty Level:
 
Scabrid Scabrous :   -
Parent Term:Surface_texture
 
Scalariform : -
Parent Term:Venation
 
Scale : 1. On leaf, a scale is a tiny (< 1 mm) article lying flat on surface, disappearing with age, <1mm diameter. 2. A bark scale is a sm
Parent Term:Hairs
Plural:Scales
Synonyms: Scaly
Difficulty Level:
Show examples »
 
SCALES :   -
Parent Term:Hairs
 
Scaly : -
Parent Term:Hairs
 
Scarious : Of thin, dry, membranous texture and not green; opposite of herbaceous.
Parent Term:Surface_texture
Difficulty Level:
 
Scent : General term for smell that is not unpleasant, as opposed to foetid.
Parent Term:Smells
Difficulty Level:
 
Schizocarp : A dry fruit formed from more than one carpel but breaking apart into single-seeded units (mericarps) when ripe.
Parent Term:Dehiscent
Difficulty Level:
 
Scrambler : -
Parent Term:Habit
 
Scrambling shrub :   Applied to a plant sprawling over other plants, fences etc. and being supported by these, usually by being anchored with hooks or t
Parent Term:Habit
Synonyms: Scrambler
Difficulty Level:
 
Scurfy : With fine flaky covering like rust or dandruff.
Parent Term:Hairs
Difficulty Level:
 
Secund : One-sided, when parts or organs are all directed to the same side (applied especially to the grouping of flowers in an inflorescenc
Parent Term:Inflorescence_type
Difficulty Level:
 
Seed : (Part of fruit) derived from single fertilized ovule (ovule contains the 'egg').
Parent Term:Fruit_details
Child Terms: Cotyledon
Endosperm
Hilum
Difficulty Level:
Show examples »
 
Seedling : -
Parent Term:Juvenile
Show examples »
 
Semicraspedodromous : With a single primary vein, the secondary veins branching just within the margin, one branch from each terminating at the margin and the other forming a marginal loop and joining the superadjacent secondary vein.
Parent Term:Leaf_venation_(hickey)
Difficulty Level:
 
Sepal : One of the lobes of the outer part of perianth, especially if leaf like; see calyx.
Parent Term:Calyx
Difficulty Level:
 
Septicidal : (Capsule) opening along the edges of the carpels.
Parent Term:Dehiscent
Difficulty Level:
 
Sericeous : Silky, with a covering of long, appressed, soft, straight and glossy hairs.
Parent Term:Hairs
Difficulty Level:
 
Serrate serrated :   -
Parent Term:Leaf_blade_margin
Difficulty Level:
 
Serrated : Saw toothed; usually with teeth arching forwards (but cut 1/16-1/8 distance to midrib or midvein) but in this guide a more general
Parent Term:Leaf_blade_margin
Synonyms: Serrate
Child Terms: Bicrenate
Bidentate
Biserrate
Denticulate
Dissected
Laciniate
Crenate
Crenulate
Crispate
Dentate
Divided
Doubly_dentate
Doubly_derrate
Erose
Incised
Lacerate
Repand
Serrulate
Wavy
Spiny_margin
Teeth
Difficulty Level:
Show examples »
 
Serrated etc (not entire) :   -
Parent Term:Leaf_blade_margin
Child Terms: Crenate
Difficulty Level:
 
Serrulate : Minutely serrate, but cut to 1/16 distance to midrib or midvein.
Parent Term:Serrated
Difficulty Level:
 
Sessile : Without a stalk.
Parent Term:Attachment
Difficulty Level:
 
Setose : Beset with bristles or fairly sparse stiff hairs.
Parent Term:Hairs
Difficulty Level:
 
Shade-Bearer :   Plants that can tolerate the full canopy shade of taller trees: the lower layers of undisturbed forest are rich in them.
Parent Term:Guilds
Plural:Shade-Bearers
Difficulty Level:
 
Shade-Bearers :   -
Parent Term:Guilds
 
Shape 3d :   -
Parent Term:General_shape
Child Terms: Campanulate
Canaliculate
Complanate
Compressed
Discoid
Fistulose
Keel
Obconical
Ovoid
Subulate
Sulcate
Torulose
Turbinate
Zygomorphic
Shapes__3d
Torulose___torose
Difficulty Level:
 
Shape (3d) :   -
Parent Term:General_shape
 
Shapes 3d :   -
Parent Term:Shape__3d
Child Terms: Claw
Cochlear
Cochleate
Cordiform
Ellipsoid
Acicular
Fusiform
Globose
Pyriform
Rectangular
Reniform
Rounded
Sigmoid
Sinuate
Sinuous
Spathulate
Keeled
Difficulty Level:
 
Sheath : A tubular tissue, enveloping another organ; e.g. often prickly layer on rattan stems from base of leaf enclosing stem below juncti
Parent Term:Node
Difficulty Level:
 
Shoot : A young stem or branch.
Parent Term:Stem
Child Terms: Shoot_details
Difficulty Level:
 
Shoot Details :   -
Parent Term:Shoot
 
Shrub : Small woody plant (rarely or not exceeding 5 cm d.b.h., or without bole).
Parent Term:Habit
Child Terms: Shrublet
Difficulty Level:
Show examples »
 
Shrublet : -
Parent Term:Shrub
Difficulty Level:
 
Sigmoid : Bent like the letter S.
Parent Term:Shapes__3d
Difficulty Level:
 
Siliqua : A dry, dehiscent fruit characteristic of the family Brassicaceae, formed from a superior ovary of two carpels (with two parietal placentas) joined margin to margin, and divided into two loculi by a membranous wall (false septum) between the placentas. In
Parent Term:Dehiscent
Difficulty Level:
 
Simple leaf :   -
Parent Term:Leaf_types
Difficulty Level:
 
Sinewy : (Bole) with many rounded, but irregular channels, like straining muscles.
Parent Term:Bole
Difficulty Level:
 
Sinuate Sinuous :   Margins shallowly and smoothly indented, wavy in a horizontal plane, without distinctive teeth or lobes, indented 1/16-1/8 distance
Parent Term:Shapes__3d
Difficulty Level:
 
Sinuous : Deeply wavy (margin); highly curvaceous
Parent Term:Shapes__3d
Synonyms: Sinuate
Difficulty Level:
 
Sinus : The gap or dip between teeth or lobes.
Parent Term:Lobe
 
Slash : Section through cut bark, showing various layers above sapwood, sometimes with exudate
Parent Term:Bark
Child Terms: Latex
Bark_exudate
Slash_exudate
Slash_texture
Difficulty Level:
Show examples »
 
Slash Exudate :   -
Parent Term:Slash
Child Terms: Resin
Resinous_exudate
Coloured,_watery_exudated
Latex_white_or_creamy
Latex_v_yellow-orange
Thick_translucent_exudate
Gum
Brown_exudate
Red_exudate
White_latex
Yellow_exudate
Yellow-brown_latex
Show examples »
 
Slash Texture :   -
Parent Term:Slash
Child Terms: Gritty
 
Smells : -
Parent Term:General_terms
Child Terms: Fragrant
Foetid
Pungent
Putrid
Scent
Difficulty Level:
 
Spadix : A spike-like inflorescence with a thickened and often succulent axis.
Parent Term:Inflorescence_part
Plural:Spadices
Difficulty Level:
Show examples »
 
Spathe : A large bract surrounding an inflorescence.
Parent Term:Inflorescence_part
Plural:Spathes
Difficulty Level:
Show examples »
 
Spathulate : (Drip tip) with round, broadened apex like a spoon.
Parent Term:Shapes__3d
Difficulty Level:
 
Species level terms :   -
Child Terms: Ecology
Taxonomy
Genetics
Usage
Show examples »
 
Spiculate : With crystals in or on the surface.
Parent Term:Hairs
Difficulty Level:
 
Spike : Unbranched inflorescence; individual flowers without stalks (see raceme).
Parent Term:Inflorescence_type
Difficulty Level:
 
Spine : Sharp, (branched) needle-like projection from below bark; or ?Spiny margin? similarly needle like thickenings of leaf margin.
Parent Term:Spines__prickles_etc
Difficulty Level:
Show examples »
 
Spines prickles etc :   -
Parent Term:Plant_parts
Child Terms: Spine
Aculeate
Inermous
Prickle
Thorn
Unarmed
Spiny
Prickly
Prickle
Difficulty Level:
Show examples »
 
Spines thorns prickles on plant :   -
Parent Term:Plant_parts
 
Spiny : -
Parent Term:Spines__prickles_etc
Difficulty Level:
 
Spiny margin :   -
Parent Term:Serrated
Difficulty Level:
 
Spongy : Cellular; sponge-like (in appearance or to touch).
Parent Term:Bark_texture
Difficulty Level:
 
Squamose : Having coarse scales.
Parent Term:Hairs
Difficulty Level:
 
Stamen : The male reproductive organ of a flowering plant, producing pollen.
Parent Term:Androecium
Child Terms: Anther
Exserted_stamen
Filament
Difficulty Level:
Show examples »
 
Staminode : A sterile stamen, often rudimentary; sometimes modified to perform some other function, e.g. that of a petal or nectary.
Parent Term:Androecium
Difficulty Level:
 
Stellate hair :   Star-shaped hair, or cluster of hairs radiating from a point.
Parent Term:Hairs
Plural:Stellate hairs
Difficulty Level:
Show examples »
 
Stem : -
Parent Term:Foliage
Plural:Stems
Child Terms: Node
Internode
Nodding
Pith
Shoot
Sucker
Terete
Twig
Wing
Stem_accessories
Young_stem
Branchlet
Winged
Difficulty Level:
Show examples »
 
Stem Accessories :   -
Parent Term:Stem
 
Sterile : Barren, not functional; used of sexual parts, such as anthers; (sterile specimen= one without flowers).
Parent Term:Gender
Difficulty Level:
 
Stigma : Top part of style, to which pollen becomes attached, of various shapes.
Parent Term:Gynoecium
Difficulty Level:
Show examples »
 
Stilt Roots :   -
Parent Term:Bole
 
Stinging : With erect trichomes that irritate or sting when touched.
Parent Term:Hairs
Difficulty Level:
 
Stipe : General term for a stalk supporting a structure, esp. the stalk attaching the ovary or fruit to the receptacle in some flowers (i.e
Parent Term:Attachment
Synonyms: Stalk
Difficulty Level:
 
Stipel : Thread-like structure at base of leaflet on some compound Ieaves.
Parent Term:Leaf_parts
Difficulty Level:
Show examples »
 
Stipulate : -
Parent Term:Node
Difficulty Level:
 
Stipule : Leaf-like or other small structure close to petiole at leaf node, often in opposite pairs, or as a complete sheath around stem.
Parent Term:Node
Difficulty Level:
Show examples »
 
Stolon : A lateral, aerial shoot with elongated internodes, rooting at the nodes and giving rise to new individuals when the internodes peri
Parent Term:Bole
Synonyms: Stoloniferous
Difficulty Level:
 
Stoloniferous : Bearing stolons.
Parent Term:Bole
Difficulty Level:
 
Stoma : -
Parent Term:Surface_details
Plural:Stomata
Difficulty Level:
 
Stoma (plural=Stomata) :   -
Parent Term:Surface_details
 
Stomata : -
Parent Term:Surface_details
 
Straggling : Untidy, irregular, habit, partly trailing but striving to grow upwards.
Parent Term:Habit
Difficulty Level:
 
Striate : -
Parent Term:Venation
Difficulty Level:
 
Strigose : Covered with stiff hairs, which are slanting rather than erect, usually with a bulbous base.
Parent Term:Hairs
Difficulty Level:
 
Style : Narrow neck section of female part of flower (gynoecium) connecting ovary to stigma.
Parent Term:Gynoecium
Difficulty Level:
Show examples »
 
Sub : Not quite; almost e.g. sub-cordate= slightly cordate, and see following..
Parent Term:General_terms
Difficulty Level:
 
Sub Marginal :   (Nerve) running close to margin.
Parent Term:Venation
Difficulty Level:
 
Sub-opposite : Almost, but not always or not exactly opposite
Parent Term:Leaf_arrangement
Difficulty Level:
 
Suberous : Corky.
Parent Term:Bark
Difficulty Level:
 
Subulate : Awl-shaped; narrow and tapering evenly from a narrow base to a fine point.
Parent Term:Shape__3d
Difficulty Level:
 
Succulent plant :   -
Parent Term:Habit
Difficulty Level:
 
Sucker : New shoot arising from ground at base of tree.
Parent Term:Stem
Difficulty Level:
 
Suffrutescent : -
Parent Term:Habit
 
Suffrutex : Woody basally, herbaceous apically.
Parent Term:Habit
Synonyms: Suffrutescent
Difficulty Level:
Show examples »
 
Sulcate : With longitudinal grooves.
Parent Term:Shape__3d
Difficulty Level:
 
Superficial gland dots :   -
Parent Term:Gland_dots
Difficulty Level:
 
Superior Ovary :   Ovary developing above the point of insertion of perianth; becoming fruit with calyx at base; the sepals, petals and stamens are in
Parent Term:Ovary
Plural:Superior Ovaries
Difficulty Level:
 
Surcurrent : Extending along stem upward from leaf base.
Parent Term:Angles
Difficulty Level:
 
Surface Details :   -
Parent Term:Plant_parts
 
Surface Texture :   -
Parent Term:Surface_details
Child Terms: Echinate
Laevigate
Muricate
Nitid
Paleaceous
Papilla
Papillose
Rugose
Rugulose
Scabrid
Scarious
Tubercle
Tuberculate
Verrucose
Hairs
Raphide
Scabrid_scabrous
Show examples »
 
Swamp : -
Parent Term:Habitat
 
Swamp forest :   -
Parent Term:Vegetation
Child Terms: Mangrove
Show examples »
 
Sweet : -
Parent Term:Taste
 
Swollen spots at base of hairs :   -
Parent Term:Hairs
Difficulty Level:
 
Syconium (fig) :   -
Parent Term:Fruit_type
Show examples »
 
Symmetric : Regular, with one half equal in size and shape (but usually mirrored) to the other.
Parent Term:Leaf_blade_shape
Difficulty Level:
 
Symmetry : -
Parent Term:Flower
Child Terms: Actinomorphic
Difficulty Level:
 
Sympodial : Without a single, persistent growing point (the longitudinal growth is taken over by a lateral growing point below the apex).
Parent Term:Branching_pattern
Difficulty Level:
 
Syntype : One of two or more specimens cited by the author at the time of publication of a name to which no holotype was designated.
Parent Term:Type_specimen
Difficulty Level: