Spanish (mesquite,huizache,espino negro,espino jiote,espino blanco). BOTANIC DESCRIPTION. Acacia pennatula is a thorny legume to 12 m, rarely exceeding. Acacia pennatula is a species of plants with observations. PDF | The chemical analysis of the acetone extract of the dried leaves from Acacia pennatula yielded triacontanol, +Ý-sitosterol palmitate, +Ý-sitosterol.

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In English it’s basically unknown, and Spanish speakers tend to use names already applied more widely to other similar-looking species. The tree’s high-protein legume-type pods commonly are eaten by livestock, and traditionally acacua bark has even been used in Mexico to treat diarrhea, which makes sense because the bark is full of puckery tannin.

Above, you can see a flowering head close-up, with its densely velvety-hairy stem, pennarula peduncle, and nearby leaf petioles. Moreover, it’s a handsome and useful tree, the wood often serving as building material and fence posts, burning well, and making good charcoal.


Breaking open a flowering head, we can see that each individual flower sprouts numerous — more than ten — stamens, just like the acacias, as shown below:.

Neotropical Plant Portal – Acacia pennatula

The orange, spherical heads of tiny flowers look like those of Sweet Acacia, or Huisache, of which we saw so many in Texas. Ecologically, the tree’s spreading root system controls erosion, and the tree itself makes good shade, pennxtula frost-resistant and, as a member of the Bean Family, even fixes nitrogen for use by the rest of the biosphere.

It’s one of several spiny, feathery-leafed species we have here in the thorn forest that at first glance can be pennatulw as an acacia, mimosa or something close to them. It’s also called Huizache, like Sweet Acacia, and there are other such names, but none just for this tree.

The Maya have two names for it, Ch’i’ May and K’ank’ i Ilische’, and even the experts have alternately assigned it to other genera, including Inga, Pithecollobium, Poponax and Vachellia.

One aggravating thing about the species is that it doesn’t have a decent name.


Acacia pennatula is a fine tree, one easy to distinguish acaia other similar, closely related species, even when it’s not flowering or fruiting, because of its many minute leaflets and fuzzy young vegetative parts. It just shows you that you don’t have to have a name to go about doing decent, benevolent things for the community at large.

A close-up shows tiny individual pinnae of an older leaf with some pinnae having fallen off is shown below:. Excerpts from Jim Conrad’s Naturalist Newsletter.

Acacia pennatula ·

In many areas it’s called Mesquite, but it’s very different from real mesquites. So, this isn’t Sweet Acacia, but something close to it, and we needed to “do the botany. But, Sweet Acacia’s twice-compound leaves bear much fewer tiny leaflets than this tree.