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This genus is accepted, and its native range is China.
Heterolamium debile

[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
Slender perennial herb
Morphology Leaves
Leaves cordate, toothed, long-petiolate
Morphology Reproductive morphology Inflorescences
Inflorescence secund, of 1-3-flowered cymes, shortly pedunculate to sessile, in axils of reduced bracts, forming an elongate, terminal thyrse
Morphology Reproductive morphology Inflorescences Bracteoles
Bracteoles inconspicuous
Morphology Reproductive morphology Flowers Calyx
Calyx often purple-tinged, cylindrical to campanulate, strongly 2-lipped, 5-lobed, (3/2), posterior lip with median lobe broadly ovate, rounded at apex, slightly spreading and weakly decurrent on tube at base, lateral lobes shortly triangular-acuminate, a
Morphology Reproductive morphology Flowers Corolla
Corolla white, strongly 2-lipped, 5-lobed (4/1), posterior lip of 4 short, rounded, subequal lobes, anterior lip longer, with lobe slightly concave, rounded, tube narrowly cylindrical, straight, exserted from calyx, and abruptly expanded above, exannulate
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4, didynamous, long-exserted, ascending under upper lip, later becoming slightly divergent, posterior pair longer at early anthesis, anterior pair apparently extending later, anthers 2-thecous, thecae elliptic, widely divaricate, confluent at apex
Morphology Reproductive morphology Flowers Gynoecium Style
Style exserted
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma-lobes subequal, subulate, spreading
Morphology Reproductive morphology Flowers Disc
Disc 4-lobed, anterior lobe elongate
Morphology Reproductive morphology Fruits
Nutlets oblong-ovoid, smooth to finely striate, with small, elliptic areole.
Note
One species, H. debile (Hemsl.) C.Y. Wu, with several varieties
Distribution
China.

Native to:

China North-Central, China South-Central, China Southeast

Heterolamium C.Y.Wu appears in other Kew resources:

First published in Acta Phytotax. Sin. 10: 254 (1965)

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
  • Heterolamium C.Y. Wu, Acta Phytotax. Sin. 10: 254 (1965).

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