Pollinator plant

Spike clethra

Clethra monostachya

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Flowering branches of Clethra monostachya, photographed under the synonym Clethra delavayi. — Plant and foliage
Flowering branches of Clethra monostachya, photographed under the synonym Clethra delavayi.

peganum from Henfield, England / Wikimedia Commons / CC BY-SA 2.0

Photo details

Resized and converted to WebP. No content edits.

Source: File:Clethra delavayi (1).jpg

Reviewed 2026-09-07. The actual photograph, source identification and reuse license were reviewed. The image illustrates the source-identified plant; it does not verify measurements or pollinator ratings.

Common names

2 names · 2 languages

EnglishYour language: Spike clethra

Other languages (1)

Dutch: Schijnels

Sources & name notes

Names recorded in our plant catalogue, grouped by language. Usage can vary by region.

Catalogue language labels are reviewed separately from botanical source records.

Plant references

Source-backed information

Published observations for this plant. Each reference supports the information beside it.

Taxonomy: Catalogue of Life treats Clethra monostachya as a synonym of Clethra delavayi.

Taxonomic treatment in the August 2026 release; the catalogue record name is preserved.
Sources [1] [2]
Botanical family: Clethraceae

Family in the cited taxonomic treatment.
Sources [2]
Native range: Bhutan to S. China.

Explicit native locality records in Kew WCVP v16; introduced and doubtful distributions excluded. Continent conversion follows the documented geographic mapping.
Sources [3]

Catalogue ratings

Who this plant supports

Honey bees

Low suitability

Nectar value Low

Pollen value Unknown

Plant profile

About this plant

Spike clethra (Clethra monostachya) is a shrub. It flowers from June to July.

Sources and references

References for the information marked with source numbers on this page.

Sources checked 9 September 2026

Catalogue of Life Clethra monostachya — Catalogue of Life COL26.8
COL26.8 (2026-08-20). Contributing checklist: Synonymic Checklists of the Vascular Plants of the World. This is taxonomic evidence, not an independent ecological study.

Supports: Taxonomy
Relevant sections
- Taxonomy: NameUsage.tsv line 1868720; ID 5Z9Z8; rank species; status synonym
Source checked on 2026-09-07.

Source data licence: CC BY 4.0.
Catalogue of Life Clethra delavayi — Catalogue of Life COL26.8
COL26.8 (2026-08-20). Contributing checklist: Synonymic Checklists of the Vascular Plants of the World. This is taxonomic evidence, not an independent ecological study.

Supports: Taxonomy Botanical family
Relevant sections
- Taxonomy: NameUsage.tsv line 1868687; ID 5Z9Y2; rank species; status accepted
- Botanical family: NameUsage.tsv line 1868687; ID 5Z9Y2; rank species; status accepted
Source checked on 2026-09-07.

Source data licence: CC BY 4.0.
Royal Botanic Gardens, Kew Clethra delavayi — Kew WCVP native distribution
Native distribution and taxonomic treatment from the official WCVP v16 export (4 June 2026). The link opens the corresponding POWO taxon. Source rows are retained in the native-range audit archive.

Supports: Native range
Relevant sections
- Native range: WCVP v16; wcvp_names.csv lines 4723, 894825; wcvp_distribution.csv native locality lines 54703, 54704, 54705, 54706, 54707, 54708
Source checked on 2026-09-09.

Source data licence: CC BY 3.0.