Summary ⁴

Neptunia lutea, the yellow-puff, is a trailing, vine-like perennial plant of the legume family Fabaeceae. Its stems are covered with soft spines, but is not nearly as prickly as its cousin, the sensitive brier (Mimosa nuttallii).

Physical description ⁵

Perennial, Herbs, Taproot present, Nodules present, Plants stoloniferous, Stems prostrate, trailing, or mat forming, Stems less than 1 m tall, Stems 1-2 m tall, Stems solid, Stems or young twigs glabrous or sparsely glabrate, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules membranous or chart aceous, Stipules persistent, Stipules free, Leaves compound, Leaves bipinnate, Leaf or leaflet margins entire, Leaflets opposite, Leaflets 10-many, Leaves glabrous or nearly so, Leaves hairy on one or both surfaces, Inflorescences globose heads, capitate or subcapitate, Inflorescence axillary, Bracts conspicuously present, Flowers actinomorphic or somewhat irregular, Calyx 5-lobed, Calyx glabrous, Petals united, valvate, Petals orange or yellow, Stamens 9-10, Stamens completely free, separate, Stamens long exserted, Filaments glabrous, Style terete, Fruit a legume, Fruit stipitate, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit coriaceous or becoming woody, Fruit exserted from calyx, Fruit glabrous or glabrate, Fruit 3-10 seeded, Seed with elliptical line or depression, pleurogram, Seeds ovoid to rounded in outline, Seed surface smooth, Seeds olive, brown, or black.

Sources and Credits

1. (c) Laura Clark, some rights reserved (CC BY), uploaded by Laura Clark
2. (c) Debra Halter, some rights reserved (CC BY-NC), uploaded by Debra Halter
3. (c) Moe, some rights reserved (CC BY), uploaded by Moe
4. Adapted by Amber Leung from a work by (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Neptunia_lutea
5. (c) Dr. David Bogler, some rights reserved (CC BY-NC-SA), http://eol.org/data_objects/6657374

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• eFloras.org
• Flora of North America (beta)
• Global Biodiversity Information Facility (GBIF)
• HOSTS - a Database of the World's Lepidopteran Hostplants
• IPNI (with links to POWO, WFO, and BHL)
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• Tropicos
• USDA PLANTS database
• World Flora Online

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