Porcupine Mimosa (Nash Prairie Plants List)

Porcupine Mimosa

Mimosa hystricina

Physical description ⁴

Perennial, Shrubs, Stems woody below, or from woody crown or caudex, Taproot present, Nodules present, Stems or branches arching, spreading or decumbent, Stems prostrate, trailing, or mat forming, Stems less than 1 m tall, Stems 1-2 m tall, Stems greater than 2 m tall, Trunk or stems armed with thorns, spines or prickles, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Stems with hooked uncinate hairs or prickles, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules setiform, subulate or acicular, Stipules persistent, Stipules free, Leaves compound, Leaves bipinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves glabrous or nearly so, Flowers solitary in axils, or appearing solitary, Flowers in axillary clusters or few-floweredracemes, 2-6 flowers, Inflorescences globose heads, capitate or subcapitate, Inflorescence axillary, Bracts conspicuously present, Flowers actinomorphic or somewhat irregular, Calyx 5-l obed, Calyx glabrous, Petals united, valvate, Petals white, Imperfect flowers present, dioecious or polygamodioecious, Stamens 9-10, Stamens completely free, separate, Stamens long exserted, Filaments glabrous, Filaments pink or red, Style terete, Fruit a legume, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit exserted from calyx, Fruit spiny, bur-like, with hooked bristles or prickles, Fruit 3-10 seeded, Seed with elliptical line or depression, pleurogram, Seeds subquadrate, Seed surface smooth, Seeds olive, brown, or black.

Sources and Credits

More Info

iNat Map

Family	Fabaceae
Blooms	April
Area observations	few

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