Isodon ternifolius (D.Don) Kudô

This species is accepted, and its native range is Arabian Peninsula, Himalaya to S. China.


Suddee, S., A. J. Paton, & Parnell, J. (2004). A Taxonomic Revision of Tribe Ocimeae Dumort. (Lamiaceae) in Continental South East Asia I. Introduction, Hyptidinae & Hanceolinae. Kew Bulletin, 59(3), 337-378. doi:10.2307/4110949

India, Nepal, Bhutan, South China, Burma, Laos, Thailand and Vietnam.
Open places in hill evergreen forest, dipterocarp-oak forest, deciduous forest, edges of evergreen forest; 400 - 2200 m.
Morphology General Habit
Erect undershrub or shrub up to 4 m tall
Morphology Leaves
Leaves sessile or shortly petiolate, in whorls of 3 - 4 or opposite and whorled on the same plant, chartaceous or coriaceous, lanceolate, ovate- lanceolate or elliptic-lanceolate, 20 - 140 x 12 - 40 mm, apex acute, margin serrate, base cuneate, rugose and pilose above, villous-tomentose beneath, veins prominent beneath; petioles 0 to 5 mm long, tomentose
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens included in anterior corolla lip; anterior pair inserted around the base of anterior corolla lip, pubescent at base; posterior pair inserted near the base of corolla tube, pubescent at base
Morphology Reproductive morphology Flowers Calyx
Calyx campanulate, c. 2 mm at anthesis, densely whitish-villous, tubular, 3- 5 mm long in fruit, inconspicuously 2-lipped; teeth minute, subequal, ovate-triangular, acute at apex; tube straight, 10-nerved, often grooved between longitudinal nerves, pubescent to villous, with sessile glands outside, not gibbous at anterior base
Morphology Reproductive morphology Flowers Corolla
Corolla white with purple dots on upper lip, declinate, 6- 7 mm long; posterior lip subequally 4-lobed, lobes rounded or obtuse at apex, densely villous, with sessile glands on back; anterior lip ovate-orbicular, 3 - 4 mm long, longer than posterior, concave, glabrous inside, glabrous at margin outside otherwise villous with sessile glands; tube 2 - 2.5 mm long, tubular, abruptly expanded above the narrow base and conspicuously gibbous on posterior side, pubescent on anterior side inside, pubescent, with or without sessile glands outside
Morphology Reproductive morphology Flowers Disc
Disc with anterior side slightly developed, not exceeding ovary, the rest annular
Morphology Reproductive morphology Flowers Gynoecium Style
Style not or occasionally exceeding anterior corolla lip
Morphology Reproductive morphology Fruits
Nutlets brown, triangular- oblong, 2 - 2.5 mm long, smooth, conspicuously trigonous on upper half, acute at apex, producing mucilage when wet.
Morphology Reproductive morphology Inflorescences
Inflorescence terminal and axillary, composed of several dense villous-tomentose spike- like branches, forming a panicle; cymes dense, many- flowered, flowers always lying adjacent to axis of cyme; bracts ovate to narrowly so, adaxially rugose or pilose, abaxially tomentose; bracteoles linear or linear- lanceolate, 1 - 2 mm long, pubescent, caducous or persistent; pedicels 1 - 3 mm long at anthesis, 2 - 4 mm long in fruit, pubescent
Morphology Stem
Stems woody at base, branched or not, hollow, round-quadrangular with several longitudinal shallow grooves, villous- tomentose
Flowering October - February, fruiting December - April.
Nepal, Narainhetty, Buch.-Ham. s.n. (holotype BM!).
Burmese: Myatnaw (Shan), Hwa Lam Lau. Thai: Bo Sou Hao Vo (Chiang Mai), Se' Ma' (Chiang Rai). Vietnamese: Cay trong Tua.

In Thailand this species is used for decoction and ablutions. Water from the boiled rootstock is drunk as a cure for jaundice. In Burma the roots are used against itching.

Native to:

Assam, Bangladesh, China South-Central, China Southeast, East Himalaya, Laos, Myanmar, Nepal, Saudi Arabia, Thailand, Vietnam, West Himalaya

Isodon ternifolius (D.Don) Kudô appears in other Kew resources:

Date Reference Identified As Barcode Type Status
Wallich, N. [2748], India K001067826
Wallich, N. [2748], Myanmar K001067823
Thompson, R. [267], Uttar Pradesh K001067828 holotype
Brandis, D. [s.n.], India K001067827
Wallich, C. [2748], Nepal K001067820
Wallich, N. [2748], Uttar Pradesh K001067819
Blinkworth, R. [2748], India K001067822
Blinkworth, R. [2748], India K001067821
Wallich, N. [2748], Assam K001067824
Wallich, N. [2748], Assam K001067825
Wallich, N. [Cat. no. 2748], India Plectranthus ternifolius K001117010
s.coll. [Cat. no. 2748] Plectranthus ternifolius K001117014
Blinkworth, R. [Cat. no. 2748], India Plectranthus ternifolius K001117009
Govan, G. [Cat. no. 2748], India Plectranthus ternifolius K001117012
Wallich, N. [Cat. no. 2748], Myanmar Plectranthus ternifolius K001117013
Wallich, N. [Cat. no. 2748], Nepal Plectranthus ternifolius K001117008
Bruce, H. [Cat. no. 2748] Plectranthus ternifolius K001117011
s.coll. [Cat. no. 2748] Plectranthus ternifolius K001117015

First published in Mem. Fac. Sci. Taihoku Imp. Univ. 2: 140 (1929)

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.
  • Khanam, M. & Hassan, M.A. (2008). Lamiaceae Flora of Bangladesh 58: 1-161. Bangladesh National Herbarium, Dhaka.
  • Suddee, S., Paton, A.J. & Parnell, J.A.N. (2004). A taxonomic revision of tribe Ocimeae Dumort. (Lamiaceae) in Continental South East Asia. I. Introduction, Hyptidinae & Hanceolinae Kew Bulletin 59: 337-378.

  • Herbarium Catalogue Specimens

    Digital Image © Board of Trustees, RBG Kew

  • Kew Backbone Distributions

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at and
    © Copyright 2017 World Checklist of Selected Plant Families.

  • Kew Bulletin

    Kew Bulletin

  • Kew Names and Taxonomic Backbone

    The International Plant Names Index and World Checklist of Selected Plant Families 2022. Published on the Internet at and
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families.