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Calliandra tergemina var. emarginata (Humb. & Bonpl. ex Willd.) Barneb

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Description

Calliandra tergemina var. emarginata is an evergreen shrub or small tree, usually 2–5 m tall, with a spreading, highly branched crown. Young branches are green and smooth, becoming woody and brown with age. Leaves are bipinnately compound, consisting of several pairs of pinnae bearing numerous small opposite leaflets. Leaflets are linear to oblong, delicate, and arranged in a feathery pattern typical of mimosoid legumes. Flowers are bisexual, arranged in globose heads, and characterized by numerous long, silky stamens that form attractive powder-puff structures. The stamens are usually pink to reddish, while the corolla is small and inconspicuous. Fruits are flattened, elongated legumes that split open at maturity, releasing several seeds.

Diagnostic Characters

Vegetative
Bushy evergreen shrub. Fine bipinnate leaves. Fern-like foliage.
Floral
Spherical powder-puff flower heads. Numerous long colourful stamens.
Fruit & Seed
Flat dehiscent pods. Multiple seeds.

Distribution

Native range: Native to Tropical America. Cultivated in Tropical Asia, Africa, Australia, Ornamental gardens worldwide.

In Pakistan: Cultivated in Botanical gardens, Parks, University campuses, Private landscapes.

Phenology

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Flowering
Fruiting
Flowering: Spring–autumn Fruiting: Summer–winter

Ethnobotany & Uses

Ornamental Importance
Major importance due to Attractive powder-puff flowers, Long flowering season, Decorative foliage.
Ecological Importance
Provides nectar for insects. Supports pollinator diversity. Medicinal Potential reported phytochemicals include Flavonoids, Phenolics, Terpenoids. Traditional medicinal applications are limited compared with other Fabaceae members.
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Where it grows on campus

East-South-East Campus4
4
individuals mapped across 1 zone
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Taxonomic Notes

The genus Calliandra belongs to the mimosoid lineage of Fabaceae and is recognized by its characteristic brush-like inflorescences formed by numerous elongated stamens.