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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:

H

Habit : The form of a whole plant, e.g. tree, liane.
Parent Term:Vegetative
Child Terms: Acaulescent
Climber
Annual
Erect
Herb
Herbaceous
Monocotyledon
Perennial
Procumbent
Prostrate
Saprophyte
Scrambling_shrub
Shrub
Straggling
Succulent_plant
Suffrutex
Twiner
Tree_(any_size)
Monocots_(smaller)
Monocots_(large/woody)
Biennial
Litter-bin_habit
Scrambler
Suffrutescent
Climbers_(all_types)
Pachycaul
Leptocaul
Difficulty Level:
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Habitat : The environment in which a plant lives.
Parent Term:Ecology
Child Terms: Swamp
Riverine
Swamp
Vegetation
Vegetation
Difficulty Level:
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Hairs : -
Parent Term:Surface_texture
Child Terms: Arachnoid
Asperous
Barbed
Barbellate
Bearded
Canescent
Domatia
Downy
Follicle
Glandular_hair
Scale
Scurfy
Stellate_hair
Strigose
Trichome
Velutinous
Villous
Viscid
Appressed
Bristly
Chaffy
Ciliate
Comose
Dendroid
Ferruginous
Floccose
Glabrous
Glochidiate
Hirsute
Hirtellous
Hispid
Indumentum
Lanate
Lepidote
Pilose
Puberulent
Pubescent
Pustule
Sericeous
Setose
Spiculate
Squamose
Stinging
Tomentose
Tuft
Swollen_base_hairs
Colleters
Velvety
Indumentum_(hairs_etc)
Scales
Scaly
Difficulty Level:
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Halle and Oldeman Architectural models :   -
Parent Term:Branching_pattern
Difficulty Level:
 
Hastate : Of a leaf blade, narrow with two basal lobes directed outwards, like some types of arrow-head.
Parent Term:Leaf_base
Difficulty Level:
 
Head : A racemose inflorescence with unstalked flowers aggregated in a dense cluster.
Parent Term:Inflorescence_type
Plural:Heads
Difficulty Level:
 
Heliophilous : 'Sun loving'; typical of forest gaps, road-sides, savanna.
Parent Term:Guilds
Difficulty Level:
 
Herb : A generally small plant without woody stems, without bark.
Parent Term:Habit
Child Terms: Herb_(>1m)
Herb_(small_/annual)
Herb(monocot)
Difficulty Level:
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Herb (larger types >1m) :   -
Parent Term:Herb
Difficulty Level:
 
Herb (small annuals) :   -
Parent Term:Herb
Difficulty Level:
 
Herb(monocot) : -
Parent Term:Herb
Show examples »
 
Herbaceous : Not woody; soft often green, stems (even on non-herbs) having the texture of a herb stem.
Parent Term:Habit
Difficulty Level:
 
Hermaphrodite : (Flower or plant) of both sexes, i.e. with both stamens and ovary, bisexual.
Parent Term:Gender
Difficulty Level:
 
Hilum : The scar on a seed indicating its point of attachment.
Parent Term:Seed
Difficulty Level:
 
Hirsute : With long, coarse, and fairly stiff hairs; hairs erect, completely covering surface.
Parent Term:Hairs
Difficulty Level:
 
Hirtellous : Minutely hirsute: with shorter hairs
Parent Term:Hairs
Difficulty Level:
 
Hispid : With bristles or (very) long, stiff, bristly hairs. Hairs stiffer and slightly sparser than hirsute.
Parent Term:Hairs
Difficulty Level:
 
Holotype : A single specimen designated by the author of a plant name, at the time of original publication, which fixes the application of the
Parent Term:Type_specimen
Difficulty Level:
 
Hoop : (On bark) narrow circle of distinct texture or colour running round tree, twig, etc.
Parent Term:Bole
Difficulty Level:
 
Hyaline : Colourless, transparent, used mainly for thickened part of some leaf margins.
Parent Term:Transparency
Difficulty Level:
 
Hybrid : The offspring of two different taxa (species, sub-species etc.), intermediate in character between the parent taxa.
Parent Term:Genetics
Difficulty Level:
 
Hydathode : Structures (glands) usually on a leaf margin that secrete water (guttation)
Parent Term:Surface_details
Difficulty Level:
 
Hyphodromous : With a single primary vein and all other venation absent, rudimentary or concealed within a coriaceous or fleshy blade.
Parent Term:Leaf_venation_(hickey)
Difficulty Level: