Abstract
Epidermal morphology of adaxial and abaxial leaf surfaces of five genera of the family Rhizophoraceae in Nigeria were studied by light microscopy. The epidermises are composed of variously shaped cells which, in surface view, range in outline from triangular, rectangular to more commonly hexagonal, polygonal and irregular. Cuticular striations are absent except in Poga oleosa in which conspicuous striae encircle the guard cells and run parallel to the axis of non-specialized epidermal cells. Anticlinal walls are either straight, curved or undulate. Leaves of all genera are hypostomatic. Paracytic stromata occur in Cassipourea and Anisophyllea while all species of Rhizophora possess cyclocytic stomata. The stomata of Anopyxis are of the anisocytic type and those of Poga anomocytic. The morphology of the guard cells and stomatal ledges varies significantly within the family. Evidence is produced to support the suspected hybrid nature of Rhizophora harrisonii. Other features of the epidermis that show variation include stomatal size, shape and density, size and density of epidermal cells, and cell wall thickness. Epidermal characters are of some utility in elucidating relationships and identifying some taxa within the family.
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Claims 11
Claim · model-written summary
Epidermal cells vary in outline.
- Taxon
- RhizophoraceaeRhizophoraceaet0
- Outcome
- epidermisese0
Verbatim
e0“The epidermises are composed of variously shaped cells which, in surface view, range in outline from triangular, rectangular to more commonly hexagonal, polygonal and irregular.”
t0“Rhizophoraceae”
Claim · model-written summary
Cuticular striations occur in Poga oleosa but are otherwise absent.
- Taxon
- Poga oleosaPoga oleosae0
- Outcome
- conspicuous striaee0
Verbatim
e0“Cuticular striations are absent except in Poga oleosa in which conspicuous striae encircle the guard cells and run parallel to the axis of non-specialized epidermal cells.”
t0“Rhizophoraceae”
Claim · model-written summary
All studied genera had hypostomatic leaves.
- Taxon
- RhizophoraceaeRhizophoraceaet0
- Outcome
- hypostomatice0
Verbatim
e0“Leaves of all genera are hypostomatic.”
t0“Rhizophoraceae”
Claim · model-written summary
Cassipourea and Anisophyllea had paracytic stromata.
- Taxon
- Cassipourea
Cassipoureae0 - Outcome
- Paracytic stromatae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Paracytic stromata occur in Cassipourea and Anisophyllea”
t0“Rhizophoraceae”
Claim · model-written summary
Rhizophora species had cyclocytic stomata.
- Taxon
- Rhizophora
Rhizophorae0 - Outcome
- cyclocytic stomatae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“all species of Rhizophora possess cyclocytic stomata.”
t0“Rhizophoraceae”
Claim · model-written summary
Anopyxis had anisocytic stomata.
- Outcome
- anisocytic typee0
Verbatim
e0“The stomata of Anopyxis are of the anisocytic type”
t0“Rhizophoraceae”
Claim · model-written summary
Poga had anomocytic stomata.
- Outcome
- anomocytice0
Verbatim
e0“those of Poga anomocytic.”
t0“Rhizophoraceae”
Claim · model-written summary
Guard cell and stomatal ledge morphology varied significantly.
- Taxon
- RhizophoraceaeRhizophoraceaet0
- Outcome
- morphology of the guard cells and stomatal ledgese0
Verbatim
e0“The morphology of the guard cells and stomatal ledges varies significantly within the family.”
t0“Rhizophoraceae”
Claim · model-written summary
Evidence supported hybrid origin of Rhizophora harrisonii.
- Taxon
- Rhizophora harrisoniiRhizophora ×harrisoniie0
- Outcome
- suspected hybrid naturee0
Verbatim
e0“Evidence is produced to support the suspected hybrid nature of Rhizophora harrisonii.”
t0“Rhizophoraceae”
Claim · model-written summary
Additional epidermal traits varied.
- Taxon
- RhizophoraceaeRhizophoraceaet0
- Outcome
- stomatal size, shape and densitye0
Verbatim
e0“Other features of the epidermis that show variation include stomatal size, shape and density, size and density of epidermal cells, and cell wall thickness.”
t0“Rhizophoraceae”
Claim · model-written summary
Epidermal characters help resolve relationships and identify taxa.
- Taxon
- RhizophoraceaeRhizophoraceaet0
- Outcome
- elucidating relationships and identifying some taxa within the familye0
Not reportedComparator
Verbatim
e0“Epidermal characters are of some utility in elucidating relationships and identifying some taxa within the family.”
t0“Rhizophoraceae”