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Eucalyptus mcquoidii – 3 photos – OPEN IMAGE FOR INFO

I want to say a few words about this Western Australian eucalypt. When long ago I saw a similar flowers of Eucalyptus lehmannii first time, I was impressed by these very strange, weird and really alien looking flowers.
The flowers are not showy, you would agree. What you can see here are two clusters of flowers buds, all of the buds in a cluster are completely joined (fused basally). These buds have exceptionally long and narrow caps; botanicaly they are "graceful slender opercula" (operculum is a “cap” of flowers – typical for all Eucalyptus). The operculum falls off during the blooming process and reveal the numerous yellow stamens, so it could be showy, but as you can see in the photo, operculum is so slim and tight, so often it falls with stamens!

Eucalyptus mcquoidii Brooker & Hopper
named after Nathan McQuoid, botanist and collector, formerly Head Ranger of Fitzgerald River National Park in WA.
The new species first was published in Nuytsia – Western Australia’s Journal of Systematic Botany
Nuytsia-14 2002 page336.
According to that atricle by Brooker & Hopper, this and a few allied species classified as following:
Genus Eucalyptus
. . . .Subgenus Symphyomyrtus
. . . . . Section Bisectaria
. . . . . . . .Subsection Hadrotes
. . . . . . . . . . Series Lehmannianae 8 species:
. . . . . . . . . . . . Subseries Conjunctae (buds and fruit in each axillary cluster fused basally), 4 species:
. . . . . . . . . . . . . . E. mcquoidii
.. . . . . . . . . . . . . E. lehmannii
. . . . . . . . . . . . . E. arborella
. . . . . . . . . . . . . E. conferruminata

. . . . . . . . . . . .Subseries Liberae (buds and fruit free in cluster) 4 species:
. . . . . . . . . . . . . . E. newbeyi
. . . . . . . . . . . . . . E. talyuberlup
. . . . . . . . . . . . . . E. burdettiana
. . . . . . . . . . . . . . E. megacornuta

It is a bit different to PlantNet classification – Cornutae

Eucalyptus mcquoidii differs from E. lehmannii in being a non-lignotuberous shrub (marlock) or stunted mallet with terete (meaning cylindrical and smooth) down-turned peduncles, many more buds per cluster, but with similar graceful slender opercula.

ANBG Info

Photographed: Kings Park, Perth, Western Australia
See notes on the photo.

8 comments to Eucalyptus mcquoidii – 3 photos – OPEN IMAGE FOR INFO

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