Mimosa microphylla Dryand.
Littleleaf Sensitive Briar, Little-leaf Mimosa, Catclaw Sensitive Briar, Smooth-leaf Sensitive Briar, Pink Sensitive Briar, Shame Vine
Fabaceae (Pea Family)
Synonym(s): Leptoglottis angustisiliqua, Leptoglottis chapmanii, Leptoglottis microphylla, Mimosa quadrivalvis var. angustata, Morongia angustata, Morongia microphylla, Morongia uncinata, Schrankia angustata, Schrankia microphylla, Schrankia uncinata
USDA Symbol: MIMI22
Weak, sprawling stems, up to 3 ft. long, are armed with hooked prickles. Bi-pinnately compound leaves, having an airy appearance. The leaflets are sensitive to the touch if one brushes against them or touches them, they immediately fold up against each other, suggesting the name "sensitive briar." They also close at night and in cloudy weather. The fragrant flowers look like small pink balls and grow along the stem at varying intervals. They have 4 or 5 sepals, 4 or 5 united petals, 8-10 pink or rose-purple stamens, and 1 pistilFlower heads occur on stalks from leaf axils. The fruit is a long, slender pod, densely covered with prickles.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Leaf Arrangement: Alternate
Fruit Type: Legume
Size Notes: Stems sprawling, up to about 3 feet long.
Bloom InformationBloom Color: Pink
Bloom Time: Apr , May , Jun , Jul
DistributionUSA: AL , FL , GA , KY , LA , MS , NC , SC , TN , TX , VA
Native Distribution: IL to SD & s.e. CO, s. to TX
Native Habitat: Prairies; ravines; open woods
Growing ConditionsLight Requirement: Sun
Soil Moisture: Dry
Soil Description: Rocky or sandy, dry or well-drained soils
BenefitConspicuous Flowers: yes
Fragrant Flowers: yes
Interesting Foliage: yes
BibliographyBibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. Loughmiller
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Research LiteratureReslit 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 resourcesUSDA: Find Mimosa microphylla in USDA Plants
FNA: Find Mimosa microphylla in the Flora of North America (if available)
Google: Search Google for Mimosa microphylla
MetadataRecord Modified: 2015-01-29
Research By: TWC Staff