Plant Database

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Plant Characteristics

Duration: Perennial
Habit: Herb , Vine
Leaf Arrangement: Alternate
Leaf Complexity: Bipinnate
Fruit Type: Legume
Leaf: "Stipules erect, narrowly lanceolate, linear-attenuate or setiform (1-) 1.5-9 x 0.2-0.7 mm, dorsally 1-nerved, persistent or becoming dry and fragile; leaf-stalks of longer leaves 2-17 cm, the petiole 1.5-11 cm, either shorter or longer than rachis, the longer interpinnal segments 6-28 (-35) mm, the ventral sulcus bridged between pinna-pairs and there charged with an ascending spicule 0.5-2.5 mm; pinnae of larger leaves 1-9 juga, not or little graduated, the rachis of longer ones 1-6 cm, the longer interfoliolar segments 0.8-2.5 mm; leaflet of longer pinnae 5-22 (-24) juga, a little decrescent proximally, the first pair 0.4-2 mm distant from ascending subulate paraphyllidia 0.1-0.6 (-1) mm, the blades linear, linear-oblong, -oblanceolate, or oblong-elliptic from obtusangulate base, at apex acute, obtuse mucronulate or sharply apiculate, those near midrachis 2.5-11 (-13) X 0.6-2.8 mm, 2.8-6 times as long as wide, all veinless or nearly so above, beneath 1-4 (-5)-nerved from pulvinule, the scarcely displaced midrib either simple or 1-4 (- 5)-branched near or above middle, the branches either simple or forked within the margin, the inner posterior (rarely also one weak anterior) primary nerve produced to or beyond mid-blade and anastomosing with a secondary nervule from midrib, the outer posterior nerve(s) short and simple, the venation imperceptible or almost so on upper face of blade, on lower face from pallid and sharply raised to discolored and immersed, sometimes almost imperceptible on both faces." (bibref: 1811).
Flower: "Peduncles at anthesis 0.4-13 (-20) cm, either prickly or not; capitula without filaments 4-11 mm diam., prior to anthesis moriform (the bracts exceptionally shortly emergent), the obtuse, greenish or purple-tinged flower buds glabrous; bracts submembranous, usually less than 1 mm; pedicels either obsolete or to 1 mm; flowers (4-) 5-6-merous, diplostemonous, most lower ones functionally staminate; calyx membranous, shortly campanulate 0.3-0.6 mm, the rim either undulate or minutely toothed, the teeth sometimes clavately dilated at tip; corolla turbinate to narrowly or subcampanulately vase-shaped (1.8-) 2- 4.3 mm, the ovate 1-nerved lobes 0.6-1.7 x 0.6- 0.85 mm; filaments pink or purplish-pink, sometimes fading whitish, united with corolla into a stemonozone 0.25-0.5 mm, exserted 2.5-9 (-10) mm." (bibref: 1811).
Fruit: "Pods (22-)30-60 x 3.5-5 mm, the replum 2.5-5 mm, aculeate with either straight or recurved, basally discrete prickles 2-4 mm, the valves about 1.5 mm wide; seeds 8-30, basipetal, uniseriate and contiguous or shortly imbricate (then mutually flattened at overlapping ends), the testa brown, livid-brown or black, lustrous." (bibref: 1811).

Bloom Information

Bloom Color: White , Pink , Purple
Bloom Time: May , Jun , Jul , Aug , Sep
Bloom Notes: "Filaments pink or purplish-pink, sometimes fading whitish." (bibref: 1811).

Distribution

USA: TX

Bibliography

Bibref 1811 - Sensitivae censitae : a description of the genus Mimosa Linnaeus (Mimosaceae) in the New World (1991) Barneby, Rupert C.

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Research Literature

Reslit 2886 - Legumes of the United States. IV. Mimosa (1971) Duane Isely

This information was provided by the Florida WIldflower Foundation.
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Additional resources

USDA: Find Mimosa quadrivalvis var. quadrivalvis in USDA Plants
FNA: Find Mimosa quadrivalvis var. quadrivalvis in the Flora of North America (if available)
Google: Search Google for Mimosa quadrivalvis var. quadrivalvis