Pachira glabra

Family: Malvaceae
Common names: Saba Nut, Guinea Peanut, French Peanut, Money Tree, Lucky Tree
Native range: Southeastern and southern Brazil
Habitat: Wet tropical biome; often associated with rivers, waterways, and moist tropical habitats
POWO status: Accepted
IUCN status: Not found / Not Evaluated
Growth form: Evergreen tropical tree

About the Tree

The Saba Nut Tree, Pachira glabra, is a tropical tree in the mallow family, Malvaceae. It is closely related to Pachira aquatica, and the two species share several common names, including Saba Nut and Money Tree.

In cultivation, Pachira glabra may be seen as an ornamental tree, sometimes with a swollen base and smooth greenish-gray bark. Its leaves are palmately compound, usually arranged like fingers spreading from a central point. The flowers are large, showy, and short-lived, followed by smooth green capsules containing edible seeds.

For phenology, this species is especially useful because several stages are visually distinct: new leaf flush, mature compound leaves, flower buds, open flowers, developing green fruit capsules, mature capsules, and exposed seeds after the fruit splits.

Phenological Markers to Observe

New Leaf Flush

Look for newly emerging leaves at the branch tips. Young leaves may appear softer, lighter green, or slightly bronze compared with the mature foliage. The leaflets may initially hang downward or appear folded before expanding fully.

Photographic note: New growth is best photographed against darker mature leaves to show the contrast in color and texture.

Mature Leaves

Mature leaves are palmately compound, typically with 5 to 7 leaflets radiating from the end of a long leaf stalk. The leaflets are smooth, green, and slightly glossy.

What to record:
Presence of full mature canopy, leaf density, leaf color, and any signs of seasonal thinning or stress.

Leaf Drop or Canopy Thinning

Although generally evergreen in tropical conditions, the tree may show partial leaf drop, thinning, or replacement of older leaves. This may be more noticeable during dry periods, after storms, or during periods of active flowering and fruiting.

What to record:
Yellowing leaves, fallen leaflets beneath the tree, exposed branches, or changes in canopy fullness.

Flower Buds

Flower buds may appear singly or in small numbers, often before the flower opens. The buds are usually elongated and may be held on a noticeable stalk.

Photographic note: Buds are important because the open flowers may be short-lived. If buds are present, return visits may reveal open flowers soon afterward.

Open Flowers

The flowers of Pachira glabra are large and showy, with long, brush-like stamens. They may open at night and can be short-lived, sometimes dropping by the following day.

What to record:
Open flowers on the tree, fallen fresh flowers beneath the canopy, flower color, fragrance if noticeable, and whether insects are visiting the flowers.

Photographic note: Early morning is likely the best time to look for fresh flowers or newly fallen blooms.

Fallen Flowers

Because the flowers are short-lived, fallen flowers beneath the tree may be one of the easiest markers to observe. Fresh fallen flowers can indicate recent flowering even if no open blooms remain on the branches.

What to record:
Number of fallen flowers, freshness, color, and whether flowers are intact or beginning to decay.

Developing Fruit

After flowering, smooth green capsules may form. These are usually rounded to oval and become more noticeable as they enlarge.

What to record:
Presence of small developing capsules, size changes over time, color, and whether fruit are held singly or in clusters.

Mature Fruit Capsules

Mature capsules become larger and may eventually split open naturally. The capsule stage is one of the clearest fruiting markers for this species.

Photographic note: Photograph the whole fruit on the tree, then take a closer image showing surface texture, size, and attachment point.

Split Fruit and Seeds

When mature, the capsule splits open and reveals multiple seeds embedded in pale, woolly material. The seeds are rounded to irregularly rounded and brown when mature.

What to record:
Open capsules, exposed seeds, fallen seeds, empty fruit shells, and any evidence of wildlife feeding.

Seed Fall and Germination

Seeds may fall beneath the parent tree. In moist conditions, seedlings may appear near the base of the tree or in nearby soil.

What to record:
Freshly fallen seeds, damaged or eaten seeds, seedlings, and the distance of seedlings from the parent tree.

Suggested Monthly Observation Checklist

• New leaf flush present
• Mature leaves present
• Leaf drop or canopy thinning visible
• Flower buds present
• Open flowers present
• Fallen flowers beneath tree
• Developing green fruit present
• Mature fruit capsules present
• Split capsules present
• Seeds visible or fallen
• Seedlings present
• Insect activity observed
• Wildlife feeding observed

Garden Notes

For the Garden phenology project, this tree should be checked carefully beneath the canopy as well as in the branches. Because the flowers may be short-lived, fallen flowers may provide the first evidence of flowering. Fruit capsules and seeds are useful markers because they are more persistent and easier to document over repeated visits.

A good photographic sequence would include:

1. Whole tree and canopy condition
2. Close view of mature compound leaves
3. New leaf flush, if present
4. Flower buds
5. Open flower or fresh fallen flower
6. Developing fruit capsule
7. Mature or split capsule
8. Seeds and any seedlings beneath the tree

Identification Notes

Pachira glabra can be confused with Pachira aquatica, and both may share common names such as Saba Nut, Malabar Chestnut, or Money Tree. For Garden records, it is best to rely on the Hortis identification and botanical label. The name Pachira glabra should be used consistently if that is the accepted Garden identification.