Abstract
The tribe Bauhinieae is the largest and most taxonomically complex group within the subfamily Cercidoideae. They possess the most distinguishable morphological features but are the most variable group. Here, we explore the phylogenetic relationship of the tribe Bauhinieae using morphological, anatomical and molecular data (ITS, rbcL, trnL-F, ITS+rbcL+trnL-F). Relationships inferred from morphological, anatomical and molecular data revealed congruent result, a non-monophyletic Bauhinia and Piliostigma group. The leaf epidermal shape in all Bauhinia species examined are polygonal with straight cell walls except B. tomentosa, which has an undulating cell wall. Stomatal types observed vary between the two genera studied. Bauhinia species has paracytic stomata while Piliostigma species exhibited hemiparacytic stomata. Dendrogram generated revealed the interrelationship between the species at a distance value of 80. Bayesian analysis revealed a high resolution of species and posterior probability. The strict consensus tree for all the tested gene regions revealed a polyphyletic Bauhina divided into three major clades. The Piliostigma group exhibited a paraphyletic and polyphyletic relationship within the Bauhinia group at high support values. B tomentosa exhibited a closer relationship with Piliostigma species. These results support the proposition to divide members of the large Bauhinia s.s group into subclades. This study has attempted to elucidate the unresolved species and genus level taxonomy of the tribe Bauhinieae. However, more variable gene regions in addition to broader species sampling should be considered for further phylogenetic patterns of this taxon.
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Claims 14
Claim · model-written summary
Morphological, anatomical and molecular relationships yielded congruent results.
Verbatim
e0“Relationships inferred from morphological, anatomical and molecular data revealed congruent result, a non-monophyletic Bauhinia and Piliostigma group.”
t0“Tribe Bauhinieae”
Claim · model-written summary
Bauhinia was non-monophyletic in the inferred relationships.
- Outcome
- non-monophyletice0
BauhiniaNot reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a non-monophyletic Bauhinia and Piliostigma group”
Claim · model-written summary
Piliostigma was non-monophyletic in the inferred relationships.
- Taxon
- Piliostigma
Piliostigmae0 - Outcome
- non-monophyletice0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a non-monophyletic Bauhinia and Piliostigma group”
Claim · model-written summary
Examined Bauhinia species had polygonal leaf epidermal shapes with straight cell walls, except B. tomentosa.
- Organ / stage
- leaf epidermale0
- Outcome
- polygonal with straight cell wallse0
- Qualifier
- except B. tomentosae0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The leaf epidermal shape in all Bauhinia species examined are polygonal with straight cell walls except B. tomentosa, which has an undulating cell wall.”
Claim · model-written summary
B. tomentosa had an undulating epidermal cell wall.
- Taxon
- B. tomentosa
_in_Hyderabad%2C_AP_W_IMG_9479.jpg?width=60)
Bauhinia tomentosae0 - Outcome
- undulating cell walle0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_in_Hyderabad%2C_AP_W_IMG_9479.jpg?width=500)
Verbatim
e0“except B. tomentosa, which has an undulating cell wall”
Claim · model-written summary
Bauhinia species had paracytic stomata.
- Outcome
- paracytic stomatae0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Bauhinia species has paracytic stomata while Piliostigma species exhibited hemiparacytic stomata.”
Claim · model-written summary
Piliostigma species had hemiparacytic stomata.
- Taxon
- PiliostigmaPiliostigmae0
- Outcome
- hemiparacytic stomatae0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Piliostigma species exhibited hemiparacytic stomata”
Claim · model-written summary
The dendrogram revealed species interrelationships at a distance value of 80.
Verbatim
e0“Dendrogram generated revealed the interrelationship between the species at a distance value of 80.”
t0“Tribe Bauhinieae”
Claim · model-written summary
Bayesian analysis yielded high species resolution and posterior probability.
Not reportedValue
Verbatim
e0“Bayesian analysis revealed a high resolution of species and posterior probability.”
t0“Tribe Bauhinieae”
Claim · model-written summary
The strict consensus tree showed polyphyletic Bauhina divided into three major clades.
Not reportedDirection
Verbatim
e0“The strict consensus tree for all the tested gene regions revealed a polyphyletic Bauhina divided into three major clades.”
Claim · model-written summary
Piliostigma showed paraphyletic and polyphyletic relationships within Bauhinia with high support.
- Taxon
- PiliostigmaPiliostigmae0
- Outcome
- paraphyletic and polyphyletic relationshipe0
- Qualifier
- within the Bauhinia group at high support valuese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The Piliostigma group exhibited a paraphyletic and polyphyletic relationship within the Bauhinia group at high support values.”
Claim · model-written summary
B tomentosa was more closely related to Piliostigma species.
- Taxon
- B tomentosaBauhinia tomentosae0
- Outcome
- relationshipe0
- Direction
- closere0
- Comparator
- Piliostigma speciese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“B tomentosa exhibited a closer relationship with Piliostigma species.”
Claim · model-written summary
The results support dividing the large Bauhinia s.s group into subclades.
Verbatim
e0“These results support the proposition to divide members of the large Bauhinia s.s group into subclades.”
Claim · model-written summary
Further Bauhinieae phylogenetic work should consider more variable gene regions and broader species sampling.
Verbatim
e0“more variable gene regions in addition to broader species sampling should be considered for further phylogenetic patterns of this taxon.”
t0“Tribe Bauhinieae”