Abelia schumannii (Graebn.) Rehder, Pl. Wilson. 1: 121 (1911) (syn: Abelia tereticalyx (Graebn. & Buchw.) Rehder ; Linnaea schumannii Graebn. ; Linnaea tereticalyx Graebn. & Buchw.);
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China (S. Gansu to N. Yunnan) as per POWO;
Abelia schumannii from California-GS03102025-4: 3 high res. images.
Abelia schumannii (Graebn.) Rehder
Deciduous shrub, easily distinguished from Abelia x grandiflora in its two large nearly ovate-oblong sepals and larger flowers which may be white to pink in colour.
Photographed from Sunnyvale, California.
Photographed from Sunnyvale, California.
Abelia grandiflora flower above
A. schumannii below
A. schumannii below
You have earlier posted similar images at
https://efloraofindia.com/efi/abelia-edward-goucher/
https://efloraofindia.com/efi/abelia-edward-goucher/
Or is there a mix up?
Edward Goucher is a cultivar of A. grandiflora and clone selected from cross between A. schumanii and A. grandiflora
A. schumanii has two sepals only, A. grandiflora more than 2, I have shared flowers of both
This is what Bailey Hortus Third Third says
A. grandiflora leaves glossy (not so in schumanii), semievergreen (vs deciduous), leaves upto 4 cm long acute (vs 2.5 cm, obtuse mucronate), sepals 2-5 (vs 2), flowers in panicles (vs on short lateral branches)
Here are comparative flowers of typical Abelia grandiflora (above note three sepals) and Abelia Schumanii (below, note two sepals)
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References:
POWO GBIF (High resolution specimens) Wikipedia Devisla Trees and shrubs online