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| Camchaya khongchiamensis Chatan & Promprom, in Promprom, Munglue et Chatan. 2025. |
ABSTRACT
Camchaya khongchiamensis Chatan & Promprom (Asteraceae), a new species from Ubon Ratchathani Province, Thailand, is described and illustrated. It is similar to C. loloana, but clearly different from C. loloana by having a larger size of capitula, involucre, receptacle, and corolla lobe. In addition, it mostly has fewer florets (18–40 [−50]) per capitulum; lower haft whitish, upper haft purplish corolla tubes; sagittate base anthers; and white except for the purple near apex style. A distribution map, pollen morphology, and a table with comparative morphological characters of the new species and its closest relative are provided, as well as the preliminary conservation assessment under the IUCN criteria.
Keywords: classification, conservation assessment, diversity, eastern Thailand, endangered species, flowering plant, plant diversity, taxonomy, Ubon Ratchathani
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| Camchaya khongchiamensis Chatan & Promprom. (A, B) Capitulescences and capitula; (C–E) capitula in lateral, top, and bottom views, respectively; (F) upper side of phyllaries (from left to right: Inner ones to outer ones); (G) under side of phyllary (inner one); (H) receptacle. |
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| Camchaya khongchiamensis Chatan & Promprom: (A) Habitat; (B) Habit. |
Camchaya khongchiamensis Chatan & Promprom Sp. Nov.
Wilawan Promprom, Phukphon Munglue and Wannachai Chatan. 2025. Camchaya khongchiamensis Chatan & Promprom (Asteraceae: Vernonieae), a New Species from Thailand. Ecology and Evolution. DOI: doi.org/10.1002/ece3.71197 [27 March 2025]