Exacum (/ˈɛksəkəm/ EK-sə-kəm)[2][3] is a genus of plant in family Gentianaceae. It contains 75 species native to tropical regions of sub-Saharan Africa, southern Arabian Peninsula, south and southeast Asia, New Guinea, and Australia.[1]
| Exacum | |
|---|---|
| |
| Exacum bicolor from India | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Gentianaceae |
| Tribe: | Exaceae |
| Genus: | Exacum L. (1753) |
| Species[1] | |
|
75; see text | |
| |
| Distribution of the genus Exacum. | |
| Synonyms[1] | |
| |
Species
edit75 species are accepted.[1]
- Exacum affine Balf.f. ex Regel
- Exacum alberti-grimaldii Wohlh. & Callm.
- Exacum amplexicaule Klack.
- Exacum anamallayanum Bedd.
- Exacum anisopterum Klack.
- Exacum appendiculatum Klack.
- Exacum arabicum Thulin
- Exacum atropurpureum Bedd.
- Exacum axillare Thwaites
- Exacum bulbilliferum Baker
- Exacum caeruleum Balf.f.
- Exacum conglomeratum Klack.
- Exacum courtallense Arn.
- Exacum darae Hul
- Exacum decapterum Klack.
- Exacum dipterum Klack.
- Exacum divaricatum (Baker) Schinz
- Exacum dolichantherum Klack.
- Exacum emirnense (Baker) Schinz
- Exacum exiguum Klack.
- Exacum fruticosum Humbert
- Exacum giganteum Klack.
- Exacum gracile Klack.
- Exacum hamiltonii G.Don
- Exacum hoffmannii Vatke ex Schinz
- Exacum humbertii Klack.
- Exacum idukkianum Geethakum., Pandur., Ravich. & Deepu
- Exacum intermedium Klack.
- Exacum keralense Geethakum., K.M.P.Kumar, Pandur. & Deepu
- Exacum klackenbergii Gopalan
- Exacum lawii C.B.Clarke
- Exacum laxiflorum (Gamble) Geethakum., Deepu, Kissling & Pandur.[4]
- Exacum linearifolium (Humbert) Klack.
- Exacum loheri (H.Hara) Klack.
- Exacum lokohense Humbert
- Exacum macranthum Arn. ex Griseb.
- Exacum marojejyense Humbert
- Exacum nanum Klack.
- Exacum naviculare Klack.
- Exacum nossibeense Klack.
- Exacum nummulariifolium Humbert
- Exacum oldenlandioides (S.Moore) Klack.
- Exacum pallidum (Trimen) Klack.
- Exacum paucisquamum (C.B.Clarke) Klack.
- Exacum pedunculatum L.
- Exacum penninerve Klack.
- Exacum petiolare Griseb.
- Exacum pteranthum Wall. ex G.Don
- Exacum pumilum Griseb.
- Exacum quinquenervium Griseb.
- Exacum radicans Humbert
- Exacum rotundifolium Klack.
- Exacum sessile L.
- Exacum socotranum Vierh.
- Exacum spathulatum Baker
- Exacum speciosum Klack.
- Exacum stenophyllum Klack.
- Exacum stenopterum Klack.
- Exacum subacaule Humbert
- Exacum subteres Klack.
- Exacum subverticillatum Humbert
- Exacum sutaepense Hosseus ex Craib
- Exacum tenue (Blume) Klack.
- Exacum teres Wall.
- Exacum tetragonum Roxb.
- Exacum travancoricum Bedd.
- Exacum trinervium (L.) Druce
- Exacum umbellatum Klack.
- Exacum undulatum Klack.
- Exacum walkeri Arn. ex Griseb.
References
edit- ^ a b c d Exacum L. Plants of the World Online. Retrieved 22 July 2024.
- ^ Klackenberg, Jens (1985). "The genus Exacum (Gentianaceae)". Opera Bot. 84: 1–144.
- ^ Klackenberg, jens (2006). "Cotylanthera transferred to Exacum (Gentianaceae)". Botanische Jahrbücher. 126 (4): 477–481. doi:10.1127/0006-8152/2006/0126-0477.
- ^ Geethakumary, M.P.; Deepu, Sivadas; Kissling, Jonathan; Pandurangan, A.G. (2022). "Revisiting the taxonomy of Exacum courtallense (Gentianaceae) and recognizing E. courtallense var. laxiflorum at the species rank". Phytotaxa. 559 (2): 185–192. doi:10.11646/phytotaxa.559.2.7.
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