BugwoodWiki Article

swainsonpea
Sphaerophysa salsula (Pallas) DC.

Overview

Appearance
Sphaerophysa salsula is a perennial herb that can grow to 5 ft. (1.5 m) in height.
Foliage
Leaves are compound with 15-23 leaflets. Leaflets are ovate, 0.2-0.75 in. (0.5-2 cm) long with short, white hairs on the lower surface.
Flowers
Flowering occurs from May to July, when red-orange flowers develop in the axils of the leaves, near the tip of the stem. Flowers are pea-like, stalked and 0.5 in. (12-14 mm) long.
Fruit
Fruits are ovoid, grooved on top, inflated at maturity and 0.4-1.4 in. (1.5-3.5 cm) long.
Ecological Threat
Sphaerophysa salsula is native to Asia and invades roadsides, right-of-ways, ditches, and other disturbed sites.

Selected Images


1459683
1459683

swainsonpea
Sphaerophysa salsula
Plant(s)
Utah State University Archive
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1459684

swainsonpea
Sphaerophysa salsula
Plant(s)
Utah State University Archive
1459686
1459686

swainsonpea
Sphaerophysa salsula
Flower(s)
Utah State University Archive
5309009
5309009

swainsonpea
Sphaerophysa salsula
Seed(s)
Steve Hurst

Maps


EDDMapS Distribution - This map is incomplete and is based only on current site and county level reports made by experts, herbaria, and literature. For more information, visit www.eddmaps.org

EDDMapS Distribution

State Regulated List - This map identifies those states that list this species on their regulated list. For more information, visit Invasive.org

State Regulated List

Taxonomic Rank

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Rosidae
Order: Fabales
Family: Fabaceae (Leguminosae)
Genus: Sphaerophysa

Other System Links

Plants: SPSA3
Bayer: SWASA
GRIN: 35239
ITIS: 26969
NPDN Pest: PCQBVBA

Synonyms and Other Names

Other Common Names:
Austrian peaweed, red bladder-vetch, alkali swainsonpea

Categories

Category: Shrub or Subshrub
Category: Forbs/Herbs