Euphorbia tannensis var. finlaysonii

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Euphorbia tannensis var. finlaysonii
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Euphorbiaceae
Genus: Euphorbia
Species:
Subspecies:
Variety:
E. t. var. finlaysonii
Trinomial name
Euphorbia tannensis var. finlaysonii

Euphorbia tannensis var. finlaysonii is a variety of desert herb native to Australia.

Contents

Description

It grows as an erect shrub, usually up to a metre in height, but sometimes up to 1.5 metres, with green or yellow flowers. From a distance it may appear leafless. It is distinguished from the other variety of E. tannensis subsp. eremophila, E. tannensis var. eremophila, by its lobed involucral glands. [1]

Taxonomy

This taxon was first published by John McConnell Black in 1935, at species rank as Euphorbia finlaysonii. In 1977 David Hassall demoted it to a variety of E. tannensis . At the same time he did the same thing for E. eremophila, and since he felt these two to be more closely related to each other than either is to the type material of E. tannensis, he erected E. tannensis subsp. eremophila to hold both varieties. [1]

Distribution and habitat

This variety has a much more restricted distribution than the other infraspecific taxa of E. tannensis; it occurs only in a narrow strip of desert in South Australia and the Northern Territory. [1]

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Euphorbia tannensis is a species of herb or shrub native to Australia and some Pacific islands.

Euphorbia tannensis subsp. tannensis is a species of herb or shrub native to Australia and some Pacific islands.

Euphorbia tannensis subsp. eremophila, commonly known as desert spurge, is a subspecies of herb or shrub native to Australia.

Euphorbia tannensis var. eremophila is the more widespread variety of E. tannensis subsp. eremophila.

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Eremophila mackinlayi, commonly known as desert pride, is a flowering plant in the figwort family, Scrophulariaceae and is endemic to Western Australia. It is a shrub with its branches and leaves covered with a thick layer of yellow to grey hairs, mostly egg-shaped leaves and deep lilac-coloured to purple flowers. It is most closely related to E. strongylophylla and E. hygrophana and sometimes occurs in the same areas as these species.

<i>Eremophila subfloccosa</i> Species of plant

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References

  1. 1 2 3 Hassall, David (1977). "The genus Euphorbia in Australia". Australian Journal of Botany. 25 (4): 429–453. doi:10.1071/BT9770429. hdl: 2027.42/147178 .