Biology:Camchaya
| Camchaya | |
|---|---|
| |
| Camchaya thailandica | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Vernonioideae |
| Tribe: | Vernonieae |
| Genus: | Camchaya Gagnep. |
| Type species | |
| Camchaya kampotensis Gagnep.
| |
| Synonyms[1] | |
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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]
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]
References
- ↑ 1.0 1.1 "Camchaya Gagnep.". Royal Botanic Gardens, Kew. 2023. http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:8072-1.
- ↑ 2.0 2.1 2.2 Camchaya. Flora of China.
- ↑ 3.0 3.1 3.2 Bunwong, S., et al. (2012). A new species of Camchaya (Asteraceae, Vernonieae) from Thailand. PhytoKeys 12: 53–57.
- ↑ Bunwong, S., et al. (2009). Taxonomic notes on Camchaya and Iodocephalus (Vernonieae: Asteraceae), and a new genus Iodocephalopsis. Proceedings of the Biological Society of Washington 122(3), 357–63.
- ↑ Bunwong, S.; Chantaranothai, P.; Keeley, S. C. (2012). "A new species of Camchaya (Asteraceae, Vernonieae) from Thailand". PhytoKeys (12): 53–57. doi:10.3897/phytokeys.12.3221. PMID 22645414.
Wikidata ☰ Q5025706 entry
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