Common Sensitive-Plant vs Compact Thread-leaf Century Plant

Mimosa pudica compared with Agave microceps

Taxonomic Classification

Rank	Common Sensitive-Plant	Compact Thread-leaf Century Plant
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class	Magnoliopsida (Dicots)	Liliopsida (Monocots)
Order	Fabales (Legumes & Allies)	Asparagales (Asparagales)
Family	Fabaceae	Asparagaceae
Genus	Mimosa	Agave
Species	Mimosa pudica	Agave microceps

Evolutionary Relationship

Common Sensitive-Plant and Compact Thread-leaf Century Plant share a common ancestor at the Phylum level: Magnoliophyta. (Flowering Plants)

Conservation Status

Common Sensitive-Plant

LC — Least Concern

Compact Thread-leaf Century Plant

LC — Least Concern

Physical Characteristics

Attribute	Common Sensitive-Plant	Compact Thread-leaf Century Plant
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Common Sensitive-Plant

Habitat

Found across multiple habitat types including tropical and subtropical moist broadleaf forests, tropical and subtropical dry broadleaf forests, and tropical and subtropical grasslands and savannas, among 9 distinct biome types. Populations are also found in montane and highland environments at higher elevations.

Range

Widely distributed across Africa (22 countries), Asia (19 countries), Europe (Spain, Sweden), North America (5 countries), Oceania and the Pacific (13 countries), and South America (Brazil, Colombia).

Compact Thread-leaf Century Plant

Habitat

Typically found in grasslands, wetlands, forests, and cultivated landscapes.

Common Sensitive-Plant

<em>Mimosa pudica</em>, the common sensitive plant, is a pantropical annual or perennial herb in the family Fabaceae, order Fabales, native to South and Central America but now naturalized across tropical Africa, Asia, Europe, North America, Oceania, and South America. This species is best known for its rapid thigmonastic leaf movements — leaflets and petioles fold inward and droop within seconds of being touched or disturbed, a response thought to deter herbivores and reduce water loss. <em>Mimosa pudica</em> typically grows as a sprawling, prickly herb in disturbed habitats including roadsides, pastures, and degraded lands, and produces small pink to purple spherical flower heads. The seeds are dispersed via various vectors and germinate readily, contributing to its success as an invasive species in many regions outside its native range. The species is listed as Least Concern by the IUCN, reflecting its wide distribution and high adaptability. Biological traits for this species remain poorly documented in the scientific literature in terms of standardized averages for lifespan, plant height, and weight, though its growth habit and ecological behavior as a pioneer and potential invasive are well characterized.

Compact Thread-leaf Century Plant

<em>Agave microceps</em>, the compact thread-leaf century plant, is a perennial succulent in the family Asparagaceae native to Mexico, representing one of the smaller members of the ecologically and culturally significant agave genus. Agaves are iconic succulents of arid and semi-arid regions characterised by a rosette of thick, fibrous leaves typically edged with teeth and terminating in a sharp spine. <em>Agave microceps</em> typically forms compact, densely-leaved rosettes with notably narrow, thread-margined leaves, distinguishing it from larger agave species. It inhabits rocky slopes, dry grasslands, and scrublands in its native Mexican range, adapted to well-drained soils and periods of seasonal drought. Like all agaves, it is monocarpic, flowering once after many years of vegetative growth before dying, producing a tall flower spike that provides food resources for bats, hummingbirds, and insects. The species is classified as Least Concern by the IUCN, indicating a stable population without critical current threats, though many agave species face pressure from illegal collection for the horticultural trade and habitat conversion. Agaves play important roles in native ecosystems as food sources for specialist pollinators and as habitat elements on rocky hillsides. Biological traits including average lifespan in the wild, precise rosette dimensions, and population data remain poorly documented for this species compared to more commercially important agaves.