Exacum

Genus of plants

Exacum
Exacum bicolor from India
Scientific classification Edit this 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]
  • Chondropis Raf. (1837)
  • Cotylanthera Blume (1826)
  • Eophylon A.Gray (1869)
  • Floyera Neck. (1790), opus utique oppr.
  • Paracelsea Zoll. & Moritzi (1845)

Exacum /ˈɛksəkəm/[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]

Species

75 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

  1. ^ a b c d Exacum L. Plants of the World Online. Retrieved 22 July 2024.
  2. ^ Klackenberg, Jens (1985). "The genus Exacum (Gentianaceae)". Opera Bot. 84: 1–144.
  3. ^ Klackenberg, jens (2006). "Cotylanthera transferred to Exacum (Gentianaceae)". Botanische Jahrbücher. 126 (4): 477–481. doi:10.1127/0006-8152/2006/0126-0477.
  4. ^ 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.
Taxon identifiers
Exacum
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