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Scientific Name | Neptunia lutea | USDA PLANTS Symbol | NELU2 |
Common Name | Yellow Puff, Yellow Sensitive Briar | ITIS Taxonomic Serial No. | 26800 |
Family | Fabaceae (Pea) | USGS Plants of Louisiana Ref. | Click Here |
Description | Habitat: Various soils in pastures, prairies and open areas in woodlands and thickets. Plant: Prostrate, trailing perennial with branched stems 2 to 6 ft long; stems and leaves with soft (not prickly) spines. Leaves: Alternate twice-compound leaves with 2 to 11 pairs of pinnae, each further divided into 8 to 18 pairs of leaflets each about 1/4-inch long. Inflorescence: Globe-shaped, compact yellow inflorescence about 1/2 inch across with many (30 to 60) tiny yellow flowers; each flower with about 10 protruding stamens. Bloom Period: April to June. References: "Manual of the Vascular Plants of Texas" by Correll and Johnston, "Wildflowers of Texas" by Geyata Ajilvsgi and "Wildflowers of Texas" by Michael Eason. |
BONAP Distribution Map![]() |
Texas Status: Native |
Scientific Name | Neptunia pubescens | USDA PLANTS Symbol | NEPU3 |
Common Name | Tropical Puff | ITIS Taxonomic Serial No. | 26802 |
Family | Fabaceae (Pea) | Southeastern Flora Ref. | Click Here |
Description | Habitat: Dry sandy soils, grasslands. (Specimen in photo found in dry area along roadside). Plant: Short, sprawling perennial, multiple stems trailing over ground or low vegetation. Leaves: Twice-compound leaves up to 3-1/2 inches long overall with 2 to 5 pairs of pinnae (larger leaflets), each with many (14-43) pairs of tiny ultimate leaflets, each 1/10 to 1/3-inch long that fold together when touched. Inflorescence: Asymmetrical-looking globe-shaped yellow flowers in cluster about 1/2 inch across; each cluster has 15-30 flowers, lower ones sterile and the upper bisexual; each sterile flower has 10 yellow protruding sterile stamens that look like petals (petaloid staminodes); each bisexual flower has 10 stamens and a pistil. Bloom Period: May to October. References: Vascular Plants of Williamson County, "Manual of the Vascular Plants of Texas" by Correll and Johnston, and "Wildflowers of Texas" by Michael Eason. |
BONAP Distribution Map![]() |
Texas Status: Native |