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This genus is accepted, and its native range is E. Himalaya to S. China.
A specimen from Kew's Herbarium

[KBu]

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

Morphology General Habit
Erect or ascending annual or perennial herbs
Morphology Leaves
Leaves petiolate, opposite, membranous, usually congested on stem above, serrate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, declinate, included, inappendiculate, glabrous, anterior pair slightly longer; posterior pair attached at the base of lateral lobes of posterior corolla lip; anterior pair attached at base of anterior corolla lobe at the same level as posterior; filaments free; anthers reniform, synthecous
Morphology Reproductive morphology Flowers Calyx
Calyx broadly campanulate in flower and fruit, declinate, bilabiate; posterior lip 3-lobed with subequal pointed teeth; anterior lip 2-lobed, long united, much longer than posterior in fruit, curved upwards; tube short, with 12 - 13 conspicuous longitudinal veins; throat glabrous
Morphology Reproductive morphology Flowers Corolla
Corolla long- exserted from calyx tube; posterior lip 4-lobed, subequal or 2 median lobes smaller; anterior lip 1- lobed, concave, equal to or longer than posterior; tube tubular, slightly dilated at throat, straight or slightly curved below the middle, glabrous or puberulous
Morphology Reproductive morphology Flowers Disc
Disc with anterior side well developed
Morphology Reproductive morphology Flowers Gynoecium Ovary
Ovary glabrous
Morphology Reproductive morphology Flowers Gynoecium Style
Style declinate, deeply bifid at apex with equal branches
Morphology Reproductive morphology Fruits
Nutlets oblong or ovoid, smooth or puberulous, not producing mucilage when wet.
Morphology Reproductive morphology Inflorescences
Inflorescence terminal, usually simple, rarely branched; verticils clearly interrupted; cymes sessile, unbranched, mostly 1-flowered, rarely 2- or 3- flowered; bracts small, persistent, sometimes forming a small apical coma; pedicels erect or slightly curved downwards in fruit; bracteoles present or absent
Morphology Stem
Stems quadrangular, branched
Type
Type species: Siphocranion nudipes (Hemsl.) Kudo [Plectranthus nudipes Hemsl.].

[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
Perennial herbs
Morphology Leaves
Leaves simple
Morphology Reproductive morphology Inflorescences
Inflorescence thyrsoid with cymes sessile, bracteate, bracteolate or ebracteolate, usually 1-, rarely 3-flowered
Morphology Reproductive morphology Inflorescences Bracts
Bracts persistent, not coloured, smaller than leaves
Morphology Reproductive morphology Flowers Calyx
Calyx funnel-shaped, 2-lipped, 5-lobed (3/2), lobes lanceolate to deltoid, posterior never decurrent, throat open, glabrous
Morphology Reproductive morphology Flowers Corolla
Corolla strongly 2-lipped, 5- or 4-lobed (4/1 or 3/1), purplish, posterior lip ascending or forward-pointing, 3- or 4-lobed with median lobe emarginate or median lobes smaller than laterals, anterior lip horizontal, cucullate, corolla-tube straight or cur
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, held within tube or at base of the anterior lip, posterior pair attached just below corolla throat, glabrous, short, anterior pair attached at throat or just below, glabrous, very short
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes diverging
Morphology Reproductive morphology Flowers Disc
Disc 4-lobed with anterior lobe slightly larger, lobes alternating with nutlets
Morphology Reproductive morphology Fruits
Nutlets ovoid, with glands, not mucilaginous, areole inconspicuous.
Note
Two species
Distribution
China and Indochina
Ecology
In mixed and evergreen forest.

Native to:

Assam, China South-Central, China Southeast, East Himalaya, Myanmar, Tibet, Vietnam

Siphocranion Kudô appears in other Kew resources:

First published in Mem. Fac. Sci. Taihoku Imp. Univ. 2: 53 (1929)

Not 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. [Cited as Hanceola.]

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
  • Li & Hedge in Wu & Raven (eds), Flora of China: 17: 268-291, reg. rev.
  • Paton and Ryding, Kew Bull. 53: 723-731 (1998).
  • Siphocranion Kudô, Mem. Fac. Sci. Taihoku Imp. Univ. 2: 53 (1929)

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 Bulletin
Kew Bulletin
http://creativecommons.org/licenses/by-nc-sa/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