Skip to main content
This genus is accepted, and its native range is Cameroon to Chad and S. Tropical Africa, Tropical & Subtropical Asia to NW. Pacific.
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
Annual or perennial herbs or shrubs, with simple and/or branched hairs
Morphology Leaves
Leaves opposite or in whorls of 3-12
Morphology Reproductive morphology Inflorescences
Inflorescence thyrsoid
Morphology Reproductive morphology Inflorescences Bracts
Bracts small
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles small
Morphology Reproductive morphology Flowers Calyx
Calyx 5-lobed (3/2), lobes subequal or anterior longer
Morphology Reproductive morphology Flowers Corolla
Corolla weakly 2-lipped, 4-lobed (3/1), purple or white, not hooded, anterior lip narrow, entire
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens equal or posterior pair slightly longer, spreading or subdeclinate, exserted from the corolla, filaments usually bearded along centre with moniliform hairs, anthers about as long as broad, thecae confluent
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes equal to subequal
Morphology Reproductive morphology Fruits
Nutlets 1- 4, 0.5-1.1 x 0.3-1.0 mm, rounded at apex, glabrous, often glossy.
Note
2n = 12, 32, 34, 60, 64, 72.  About 75 species
Ecology
Mostly in moist to mesic forest or damp places
Distribution
From Southern and Southeastern Asia to China, a few species in South tropical Africa, Australia, Taiwan and Japan.

[FTEA]

Lamiaceae (Labiatae), A.J. Paton, G. Bramley, O. Ryding, R.M. Polhill, Y.B. Harvey, M. Iwarsson, F. Willis, P.B. Phillipson, K. Balkwill, C.W. Lukhoba, D.F. Otieno, & R.M. Harley. Pogostemon, R.M. Polhill. Flora of Tropical East Africa. 2009

Morphology General Habit
Herbs or shrubs, sometimes aquatic, with simple and/or branched hairs
Morphology Stem
Stems terete or elsewhere quadrangular
Morphology Leaves
Leaves in whorls of 3–12 or elsewhere opposite
Morphology Reproductive morphology Inflorescences
Inflorescence thyrsoid; bracts and bracteoles small
Morphology Reproductive morphology Flowers Calyx
Calyx 5-lobed, the lobes subequal or anterior pair longer
Morphology Reproductive morphology Flowers Corolla
Corolla purple or white, 4-lobed, weakly 2-lipped, with a group of 3 posterior lobes and a single anterior lobe
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens subequal or elsewhere posterior pair slightly longer, spreading or subdeclinate, inserted near top of the corolla tube, exserted; filaments bearded on the middle part; anthers ± as long as broad, appearing unilocular, the thecae confluent
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary deeply 4-lobed, style gynobasic, 2-lobed; lobes equal or elswhere unequal
Morphology Reproductive morphology Fruits
Nutlets 1–4, rounded at apex, glabrous, often glossy.

Native to:

Amur, Andaman Is., Angola, Assam, Bangladesh, Borneo, Cambodia, Cameroon, Central African Repu, Chad, China South-Central, China Southeast, East Himalaya, Hainan, India, Japan, Jawa, Khabarovsk, Korea, Laos, Lesser Sunda Is., Malawi, Malaya, Maluku, Manchuria, Marianas, Mozambique, Myanmar, Nansei-shoto, Nepal, New Guinea, Nicobar Is., Northern Territory, Pakistan, Philippines, Primorye, Queensland, Sri Lanka, Sulawesi, Sumatera, Taiwan, Tanzania, Thailand, Tibet, Vietnam, West Himalaya, Western Australia, Zambia

Introduced into:

Fiji, Samoa, Seychelles, Tonga, Trinidad-Tobago

Pogostemon Desf. appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Sands, M.J.S. [1061], Papua New Guinea K000932250
s.coll. [Cat. no. 7123] K001126754
s.coll. [Cat. no. s.n.], India K001132518
Jones, B.L. [466], Malaysia K000824771

First published in Mém. Mus. Hist. Nat. 2: 154 (1815)

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

Flora of Tropical East Africa

  • Bull. Brit. Mus. Nat. Hist., Bot. 10: 1–89 (1982)
  • Bull. Nat. Hist. Mus. Lond., Bot. 27: 77–148 (1997)
  • J.L.S. 128: 159–183 (1998)
  • Kubitzki, Fam. Gen. Fl. Pl. 7: 214 (2004)
  • Mém. Mus. Hist. Nat. Paris 2: 154, t. 6 (1815)

Lamiaceae Key Genus Fact Sheets

  • Anuragia Raizada, Suppl. Duthie's Fl. Upper Gangetic Plain: 219 (1976), nom. illeg.
  • Bhatti & Ingrouille, Bull. Nat. Hist. Mus. Lond. (Bot.) 27, 2: 77-148 (1997)
  • Chotekia Opiz & Corda, Flora 13: t. 33 (1830).
  • Dysophylla Blume, Bijdr.: 826 (1826).
  • Dysophylla El Gazzar & L.Watson ex Airy Shaw, Taxon 16: 190 (1967), nom. illeg.
  • Eusteralis Raf., Fl. Tellur. 2: 95 (1837).
  • 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
  • Ingrouille & Bhatti, Bot. J. Linn. Soc. 128: 159-183 (1998).
  • Pogostemon Desf., Mem. Mus. Hist. Mat. Paris 2: 154 (1815)
  • Wensea J.C.Wendl., Coll. Pl. 3: 24 (1819).

Flora of Tropical East Africa
Flora of Tropical East Africa
http://creativecommons.org/licenses/by-nc-sa/3.0

Herbarium Catalogue Specimens
Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

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