Biology:Ceratostema
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Ceratostema is a genus of shrubs or dwarf shrubs and lianas in the heather family (Ericaceae)[1] native to tropical South America.[2]
Description
Vegetative characteristics
Ceratostema are up to 3.5 m tall, terrestrial or epiphytic shrubs with petiolate, alternate, coriaceous leaves.[3]
Generative characteristics
The axillary, solitary inflorescence bears pedicellate, inodorous, (4-)5(-6)-merous flowers.[3]
Taxonomy
It was described by Antoine Laurent de Jussieu in 1789. The type species is Ceratostema peruvianum Pers.[4] Within the subfamily Vaccinioideae it is placed in the tribe Vaccinieae.[5] It is closely related to Semiramisia.[3]
Species
| Image | Scientific name | Distribution |
|---|---|---|
| Ceratostema agettiorum M.M.Jiménez & H.Garzón | Ecuador (Morona-Santiago) | |
| 120px | Ceratostema alatum (Hoerold) Sleumer | Colombia, Ecuador |
| Ceratostema amplexicaule A.C.Sm. | Colombia, Ecuador | |
| Ceratostema auriculatum Luteyn | Ecuador (Zamora-Chinchipe) | |
| Ceratostema bracteolatum Luteyn | Ecuador (Azuay) | |
| Ceratostema callistum A.C.Sm. | Peru | |
| Ceratostema calycinum (A.C.Sm.) Sleumer | Ecuador | |
| Ceratostema charianthum A.C.Sm. | Ecuador | |
| Ceratostema cutucuense Luteyn | Ecuador (Morona-Santiago) | |
| Ceratostema fasciculatum Luteyn | Ecuador. | |
| Ceratostema ferreyrae Luteyn | Peru | |
| Ceratostema glandulifera Maguire, Steyerm. & Luteyn | Venezuela. | |
| 120px | Ceratostema glans Luteyn | Ecuador (Morona-Santiago) |
| 120px | Ceratostema gualaquizensis M.M.Jiménez & H.Garzón | Ecuador (Morona-Santiago) |
| Ceratostema jorgebritoi M.M.Jiménez & h.Garzón | Ecuador (Morona-Santiago) | |
| Ceratostema lanceolatum Benth. | Ecuador (Loja) | |
| 120px | Ceratostema lanigerum (Sleumer) Luteyn | Ecuador. |
| Ceratostema loranthiflorum Benth. | Ecuador. | |
| Ceratostema loucianae Cornejo, G. Tello & Luteyn | Ecuador (Morona-Santiago) | |
| Ceratostema macbrydiorum Luteyn | Ecuador (Morona-Santiago) | |
| Ceratostema madisonii Luteyn | Ecuador (Morona-Santiago) | |
| Ceratostema megabracteatum Luteyn | Ecuador | |
| Ceratostema megalobum Luteyn | Ecuador (Loja) | |
| Ceratostema nodosum Luteyn | Ecuador | |
| Ceratostema nubigena (A.C.Sm.) A.C.Sm. | Ecuador | |
| 120px | Ceratostema oellgaardii Luteyn | Ecuador (Loja) |
| Ceratostema oyacachiensis Luteyn [6] | Ecuador (Napo) | |
| Ceratostema pedunculatum Luteyn | Ecuador (Zamora-Chinchipe) | |
| 120px | Ceratostema pendens Luteyn [6] | Ecuador (Morona-Santiago) |
| Ceratostema pensile (A.C.Sm.) A.C.Sm. | Ecuador (El Oro) | |
| 120px | Ceratostema peruvianum Pers. | Ecuador. |
| Ceratostema prietoi A.C.Sm. | Ecuador (Cañar) | |
| Ceratostema pubescens Luteyn [6] | Ecuador (El Oro) | |
| 120px | Ceratostema rauhii Luteyn | Peru. |
| Ceratostema reginaldii (Sleumer) A.C.Sm. | Ecuador | |
| Ceratostema sieteiglesiana Garzón & M.M.Jiménez | Ecuador (Morona-Santiago) | |
| Ceratostema silvicola A.C.Sm. | Ecuador | |
| Ceratostema speciosum André | Ecuador. | |
| Ceratostema ventricosum A.C.Sm. | Ecuador | |
| Ceratostema zamorana M.M.Jiménez & Vélez-Abarca | Ecuador (Zamora-Chinchipe) |
Distribution and habitat
Ceratostema is native to Colombia, Ecuador, Guyana, Peru, and Venezuela.[2]
References
- ↑ Sarwar, A. K. M. Golam; Ito, Toshiaki; Takahashi, Hideki (2006-11-01). "Pollen of Ceratostema (Ericaceae, Vaccinieae): tetrads without septa" (in en). Journal of Plant Research 119 (6): 685–688. doi:10.1007/s10265-006-0029-0. ISSN 1618-0860. PMID 16952030. Bibcode: 2006JPlR..119..685S. https://doi.org/10.1007/s10265-006-0029-0.
- ↑ 2.0 2.1 Cite error: Invalid
<ref>tag; no text was provided for refs namedPOWO - ↑ 3.0 3.1 3.2 Luteyn, J. L., & Pedraza-Peñalosa, P. (n.d.). Ceratostema. New York Botanical Garden. Retrieved December 28, 2025, from https://www.nybg.org/bsci/res/lut2/ceratostema.html
- ↑ Ceratostema Juss. (n.d.). International Plant Names Index. Retrieved December 28, 2025, from https://www.ipni.org/n/30006961-2
- ↑ USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland. URL: https://npgsweb.ars-grin.gov/gringlobal/taxon/taxonomygenus?id=2306. Accessed 28 December 2025.
- ↑ 6.0 6.1 6.2 Luteyn, James L. (2005). "Four New Species of Ericaceae (Vaccinieae) from Ecuador". SIDA, Contributions to Botany 21 (3): 1269–1282. ISSN 0036-1488. https://www.jstor.org/stable/41968389.
External links
Data related to Ceratostema at Wikispecies
Wikidata ☰ Q891792 entry
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