Neptunia pubescens

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Scientific Name Neptunia pubescens USDA PLANTS Symbol
NEPU3
Common Name Tropical Puff ITIS Taxonomic Serial No.
26802
Family Fabaceae (Pea) Southeastern Flora Ref.
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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.
Texas Status
Native

© Tom Lebsack 2019