Polanisia uniglandulosa [Cleomaceae]

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Scientific Name Polanisia uniglandulosa USDA PLANTS Symbol
POUN3
Common Name Mexican Clammyweed ITIS Taxonomic Serial No.
22661
Family Cleomaceae (Cleome) SEINet
Reference
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Description Habitat: Sandy or gravelly areas in arroyos, riverbeds, roadsides, and pastures.
Plant: Erect annual 8 to 32 inches tall, much-branched; stems and leaves covered with sticky, glandular hairs.
Leaves: Alternate, petiolate, trifoliate with broadly elliptic to oblanceolate leaflets; becoming single along stems near the flower head; 3/4 to 1-5/8 inches long.
Inflorescence: Dense racemes 2 to 8 inches across of 15 to 30 flowers with 4 white petals; 20 to 27 pink to purple stamens 3/4 to 2 inches long, much longer than the petals.
Fruit: Erect capsules 2-3/8 to 4 inches long with dark reddish brown, smooth shiny seeds inside.
Bloom Period: May to October.
References: "Manual of the Vascular Plants of Texas" by Correll and Johnston and SEINet.
Notes: See note above re: P. dodecandra
BONAP Distribution Map

Texas Status:
Native

© Tom Lebsack 2022