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This genus is accepted, and its native range is Borneo.
A specimen from Kew's Herbarium

[LKGF]

Harley, R.M. et al. (2004). Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Springer-Verlag, Berlin, Heidelberg, New York.

Morphology General Habit
Lianas
Morphology Leaves
Leaves opposite, petiolate, ovate, entire
Morphology Reproductive morphology Inflorescences
Inflorescence axillary, cymose, lax
Morphology Reproductive morphology Inflorescences Bracts
Bracts showy, orange
Morphology Reproductive morphology Flowers Calyx
Calyx 4-lobed, basically actinomorphic but often forming two 2-lobed lips due to incomplete separation of lobes, not accrescent
Morphology Reproductive morphology Flowers Corolla
Corolla orange, zygomorphic, 4-lobed, lobes erect, anterior and lateral lobes similar, obovate, posterior lobe longer, oblong
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, long-exserted, filaments arched, thecae parallel, separate at dehiscence
Morphology Reproductive morphology Flowers Pollen
Pollen with supratectal spinules
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary shallowly 4-lobed
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes very short, equal
Morphology Reproductive morphology Flowers Disc
Disc absent
Morphology Reproductive morphology Fruits
Fruit dry (or very slightly fleshy), the lobes elongating greatly, eventually separating into potentially 4 (but usually fewer due to abortion) large, fusiform, 1-seeded mericarps with apex acute, mericarp attachment-scar basal
Morphology Reproductive morphology Seeds Endosperm
Endosperm absent.
Note
One species, Hosea lobbiana (Clarke) Ridl.
Distribution
Sarawak and Brunei.

Native to:

Borneo

Hosea Ridl. appears in other Kew resources:

First published in J. Straits Branch Roy. Asiat. Soc. 50: 124 (1908)

Accepted by

  • Govaerts, R. (2003). World Checklist of Selected Plant Families Database in ACCESS: 1-216203. The Board of Trustees of the Royal Botanic Gardens, Kew.

Literature

Lamiaceae Key Genus Fact Sheets

  • Harley RM, Atkins S, Budantsev AL, Cantino PD, Conn BJ, Grayer R, Harley MM, de Kok RPJ, Krestovskaja T, Morales R, Paton AJ, Ryding O, and Upson T. 2004. Labiatae, in The Families and Genera of Vascular Plants (K. Kubitzki, ed. in chief) VI: 167-275. Sp
  • Hosea Ridl., J. Straits Branch Roy. Asiat. Soc. 50: 124, 125 (1908).
  • Hoseanthus Merr., J. Straits Branch Roy. Asiat. Soc. 76: 114 (1917), nom. illeg.

Kew Backbone Distributions
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Kew Names and Taxonomic Backbone
The International Plant Names Index and World Checklist of Selected Plant Families 2021. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
© Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

Lamiaceae Key Genus Fact Sheets
Nina Davies, Gemma Bramley and Don Kirkup, Royal Botanic Gardens, Kew
http://creativecommons.org/licenses/by/3.0