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Need Help?Plant Characteristics
A list of specialist words which might be used in field guides ... more.A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
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R
| Raceme : | Unbranched, elongated inflorescence with no terminal flower and with the lowest flowers the most developed; individual flowers with |
| Parent Term: | Inflorescence_type |
| Plural: | Racemes |
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| Rachis : | - |
| Parent Term: | Parts_of_compound_lvs |
| Synonyms: |
Rhachis
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| Show examples » | |
| Rachis Rhachis : | - |
| Parent Term: | Parts_of_compound_lvs |
| Rachis_gland : | - |
| Parent Term: | Gland_(petiole_or_rachis) |
| Plural: | Rachis_glands |
| Raphide : | Cystolith-like crystal structure in the Rubiaceae. |
| Parent Term: | Surface_texture |
| Ray floret : | - |
| Parent Term: | Floret |
| Plural: | Ray flowers |
| Synonyms: |
Ray flower
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| Ray floret Ray flowers : | - |
| Parent Term: | Floret |
| Receptacle : | - |
| Parent Term: | Flower_part |
| Recessed : | (Nerves etc.) sunk below surface, more prominent than surrounding tissues but more sunken in channel than with impressed, veins and |
| Parent Term: | Vein_prominence |
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| Rectangular : | Box-like, longer than wide or vice versa. |
| Parent Term: | Shapes__3d |
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| Recurved : | Bent backwards, e.g. margin of leaf rolled over slightly. Revolute margins are more strongly rolled over, but there is no standard |
| Parent Term: | Margin_of_leaf_blade_(3d) |
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| Recurved margin : | - |
| Parent Term: | Margin_of_leaf_blade_(3d) |
| Show examples » | |
| Red exudate (in slash) : | - |
| Parent Term: | Slash_exudate |
| Synonyms: |
Red exudate
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| Show examples » | |
| Reflexed : | Abruptly curved or bent downward or backward. |
| Parent Term: | Angles |
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| Reniform : | Kidney-shaped, with shallow sinus and widely rounded margins. |
| Parent Term: | Shapes__3d |
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| Repand : | Sinus with indentions less than 1/16 distance to midrib or midvein. Apparently a more precise term than undulate, but not used here |
| Parent Term: | Serrated |
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| Resin : | Resinous exudate, usually of scented hydrocarbons; see resin duct. |
| Parent Term: | Slash_exudate |
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| Resin duct : | - |
| Parent Term: | Leaf_blade_glands_etc |
| Synonyms: |
resin channel
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| Resinous exudate : | - |
| Parent Term: | Slash_exudate |
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| Reticulate : | Arranged like strings in a net. |
| Parent Term: | Venation |
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| Reticulodromous : | With a single primary vein, the secondary veins not terminating at the margin and losing their identities near the margin by repeated branching, yielding a dense reticulum. |
| Parent Term: | Leaf_venation_(hickey) |
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| Retuse : | Emarginate ending on a rounded or obtuse apex: a stricter definition defines retuse with the sinus depth up to 1/16 distance from a |
| Parent Term: | Apex_of_leaf_blade |
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| Revolute : | Rolled downwards or backwards; of a leaf, with the margins rolled towards the abaxial (lower) surface, see recurved. |
| Parent Term: | Margin_of_leaf_blade_(3d) |
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| Rhizome : | Underground or ground-level, usually horizontally growing stem, often more or less swollen or thickened. |
| Parent Term: | Bole |
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| Rhombic : | - |
| Parent Term: | Leaf_blade_shape |
| Ripple Mark : | Very fine (<0.5mm apaprt), fingerprint-like transverse lines in sapwood or bark (due to wood elements stacked in storeys in some sp |
| Parent Term: | Bark |
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| Riverine : | - |
| Parent Term: | Habitat |
| Root : | - |
| Parent Term: | Vegetative |
| Plural: | Roots |
| Child Terms: |
Root_nodule |
| Show examples » | |
| Root climbers (Large stemmed tall) : | - |
| Parent Term: | Root_climbers_/creepers |
| Root climbers (Large) : | - |
| Parent Term: | Root_climbers_/creepers |
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| Root climbers and creepers : | - |
| Parent Term: | Climber |
| Child Terms: |
Epiphyte Larger_root_climbers Creepers Creeper Root_climbers_(large_stemmed_tall) |
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| Root climbers or creepers (low small types) : | - |
| Parent Term: | Root_climbers_/creepers |
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| Root nodule : | - |
| Parent Term: | Root |
| Plural: | Root nodules |
| Show examples » | |
| Rosette : | A cluster of tightly packed leaves circularly spreading in one plane. |
| Parent Term: | Leaf_arrangement |
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| Rounded : | (Leaf apex with) margins and apex forming a smooth arc. |
| Parent Term: | Shapes__3d |
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| Rugose : | With a deeply wrinkled surface; intermediate between rough and smooth ?fissures with no sharp edges, waves or wrinkles or there may |
| Parent Term: | Surface_texture |
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| Rugulose : | With minutely wrinkled surface. |
| Parent Term: | Surface_texture |
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| Ruminate endosperm : | Where the surface is wrapped into the object, brain-like, esp. of seed: very contorted, or convoluted (as if chewed or wrapped up) in X section |
| Parent Term: | Endosperm |
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