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This genus is accepted, and its native range is Tropical & Subtropical Asia.
Leucosceptrum canum

[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
Shrub or small tree, densely tomentose with branched and simple hairs
Morphology Leaves
Leaves large, subcoriaceous
Morphology Reproductive morphology Inflorescences
Inflorescence densely thyrsoid with cymes 3-5-flowered
Morphology Reproductive morphology Inflorescences Bracts
Bracts much smaller than leaves, broad, caducous, bracteoles caducous
Morphology Reproductive morphology Flowers Calyx
Calyx 5(-7)-lobed, lobes equal or subequal (3/2)
Morphology Reproductive morphology Flowers Corolla
Corolla weakly 2-lipped, 4-lobed (1/3), white to purple, posterior lip short, scarcely hooded, emarginate, corolla-tube not annulate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens long-exserted, anthers wider than long, appearing transversally dehiscent , thecae confluent
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes subequal
Morphology Reproductive morphology Fruits
Nutlets cylindric-oblong, truncate, with subsessile glands.
Note
2n = 44.  One species, L. canum Sm.
Ecology
Mostly at forest margins and in secondary forest
Distribution
From Tibet, Nepal and Northern India to Southern China and Vietnam.

Native to:

Assam, Bangladesh, China South-Central, East Himalaya, Laos, Myanmar, Nepal, Thailand, Tibet, Vietnam, West Himalaya

Leucosceptrum Sm. appears in other Kew resources:

First published in Exot. Bot. 2: 113 (1806)

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
  • Leucosceptrum Sm., Exot. Bot. 2: 113 (1805).

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