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Plant Highlights By Date

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Banksia formosa (syn. – Dryandra formosa)

April 2020

The plant named Banksia formosa was originally published as a Dryandra, and its common name of “showy dryandra” reflects this.

Yucca brevifolia

March 2020

The genus Yucca is widespread in the southern part of the U.S. and southward to southern Mexico. Among the tree-like species, one of the better known is Yucca brevifolia, often referred to as the Joshua Tree.

Leucadendron ‘Ebony’

February 2020

The Proteaceae, or Protea Family, has two important centers of diversity, in South Africa and in Australia. An example that has attracted much attention in recent years is Leucadendron ‘Ebony’.

Fenestraria rhopalophylla

January 2020

With approximately 1,800 species, the Ice Plant Family (Aizoaceae) is a large and diverse assemblage of plants. One of the many mesembs found in South Africa is Fenestraria rhopalophylla, known by the delightful common name of “baby toes”.

Aloe framesii

December 2019

South Africa has quite a few species of Aloe native to the winter-rainfall region, which is located in the western part of the country. One of these is Aloe framesii, which occurs in a coastal strip along Saldanha Bay (north of Cape Town).

Grevillea ‘Kings Fire’

November 2019

The family Proteaceae includes many widely-grown ornamental plants, mostly native to South Africa and Australia. Each of these two places has many species, but the genera found in South Africa are not the same as those found in Australia. One especially large Australian genus is Grevillea, with about 360 species.

Cereus hildmannianus

October 2019

Cereus is a genus of columnar cacti native to South America (east of the Andes) and islands in the southern Caribbean. In California, the most widely grown species is undoubtedly Cereus hildmannianus, though it is frequently labeled incorrectly as Cereus peruvianus.

Euphorbia obesa

September 2019

The genus Euphorbia is so diverse and widespread that nobody would suppose they all belonged together if the flowers did not demonstrate that they are related. They may be trees, inch-high weeds, or have a spiny cactus-like appearance. One of the true oddities in the genus is Euphorbia obesa, which bears the common name “baseball plant”.

Dasylirion longissimum

August 2019

Dasylirion is a genus of 20 or so species native to Mexico and the southwestern US. There are two species which differ from the others in having very narrow needle-like leaves, and these are frequently confused in nurseries and in gardens. These are Dasylirion longissimum and Dasylirion quadrangulatum, and it might be useful to point out their differences.

Agave bovicornuta

July 2019

Agave bovicornuta is native to the northern Sierra Madre Occidental in the Meican states of Sonora, Chihuahua and Sinaloa.

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