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10 April 2023 Molecular phylogenetic and morphological support for the recognition of Friesodielsia lalisae (Annonaceae), a new species from S Thailand
Anissara Damthongdee, Natthanon Khunarak, Suphaloek Kaeokula, Chanwut Saengpho, Chattida Wiya, Phasit Ue-aree, Abdulromea Baka, Kithisak Aongyong, Tanawat Chaowasku
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Fig. 1.
Phylogram derived from Bayesian inference. Parsimony symmetric resampling values (SR), maximum likelihood bootstrap values (BS) and Bayesian posterior probabilities (PP) are indicated: SR/BS/PP. ** = SR < 50%. Scale bar unit = substitutions per site.

Fig. 2.
Flower and floral organs of Friesodielsia lalisae – A: flower with one outer petal removed showing connivent inner petals; B: adaxial (left) and abaxial (right) sides of outer petal; C: adaxial (left) and abaxial (right) sides of inner petal; D: flower with petals, stamens and carpels removed showing adaxial (left) and abaxial (right) sides of sepals; E: flower with outer petals and one inner petal removed showing stamens surrounding carpels; F: flower with petals and stamens removed showing carpels and torus (side view); G: stamen, adaxial (left) and abaxial (right) sides; H: carpel. – All from Aongyong & Baka 57 (CMUB – spirit material).

Fig. 3.
Holotype of Friesodielsia lalisae: Aongyong & Baka 57 (CMUB).

Table 1.
Morphological comparisons between Friesodielsia lalisae, F. argentea and F. glauca. Square brackets indicate measurements from spirit material.

Fig. 4.
Friesodielsia lalisae – A: flower bud; B: flower at anthesis; both from Aongyong & Baka 57 (CMUB). – Photographs taken at type locality: Thailand, Narathiwat Province, Chanae District, May 2022, by A. Baka.

Appendix 1.
Specimens for molecular phylogenetic analyses and their GenBank accession numbers. Unavailable sequences are denoted with —, whereas newly generated sequences are denoted with **.


KEYWORDS
Annonaceae
Friesodielsia
molecular phylogeny
Narathiwat
new species
systematics
taxonomy
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