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Camchaya is a genus of flowering plants in the family Asteraceae. They are native to Asia, including China, Laos, Thailand, Vietnam,[2] and Cambodia.[3]
| Camchaya | |
|---|---|
 | |
| Camchaya thailandica | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Cichorioideae |
| Tribe: | Vernonieae |
| Genus: | Camchaya Gagnep. |
| Type species | |
| Camchaya kampotensis | |
| Synonyms[1] | |
| |
These are annual herbs with coatings of hairs and globose glandular structures. The alternately arranged leaves have wavy or serrated blades on petioles. The inflorescence is a panicle[2] which can be terminal or axillary.[3] Some inflorescences have few flower heads, and some heads are solitary. The hemispherical head has up to 6 layers of phyllaries. It contains many purple florets which are tubular and expanded at the mouth into five pointed lobes and bear a long, branching style. The fruit is a compressed achene, usually with ten ribs, but sometimes with five. Some achenes have a pappus of up to 10 fragile bristles.[2] The pollen of plants in the genus has a unique "6-porate echinolophate" morphology.[3]
- Accepted species
Species accepted by the Plants of the World Online as of March 2023:[1]
- Camchaya bolavenensis Noyori, Komada, Soulad. & Tagane
- Camchaya calcicola Kitam.
- Camchaya gracilis (Thorel ex Gagnep.) Bunwong & H.Rob.
- Camchaya kampotensis Gagnep.
- Camchaya konplongensis Bien
- Camchaya loloana Dunn ex Kerr
- Camchaya pentagona H.Koyama
- Camchaya spinulifera H.Koyama
- Camchaya tenuiflora Kerr
- Camchaya thailandica Bunwong, Chantar. & S.C.Keeley
Some recent publications suggest moving some of these taxa to other genera (Vernonia and Iodocephalopsis).[4][5]
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