Slim-leaf scurf-pea
Pediomelum linearifolium (Torr. & A. Gray) J.W. Grimes
[=Psoralea linearifolia Torr. ]
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Morphology
- Stem
- Erect, branched above, sparsely strigose or glabrate.
- Leaves
- Alternate, palmately compound: stipules lanceolate to subulate, .12 to .35 inch; petiole .04 to .2 inch; leaflets usually 3-5, sometimes 1-2 on distal leaves, narrowly oblanceolate to linear, .8 to 2.4 inches long, .04 to .2 inch wide, base acute to cuneate, apex acute, surfaces strigose abaxially, glabrous adaxially.
- Inflorescence
- Racemes, interrupted proximally but continuous distally with 3-8 whorls, mostly loose, .8 to 3.2 inches long, .4 to .6 inch wide; peduncles .8 to 3.2 inches; bracts ovate to lanceolate, .04 to .08.
- Flower
- Papilionaceous; pedicels .16 to .4 inch; calyx campanulate, .16 to .24 inch, lobes acute to somewhat rounded; corolla light blue or violet, .3 to .4 inch; banner obovate; wings oblong to oblanceolate, longer than keel petals; keel oblong to oblanceolate, slightly curved upward distally, apex rounded; stamens 10, diadelphous.
- Fruit
- Legumes (called pods), .24 to .3 inch, enclosed in persistent calyx; seeds 1, dark brown, sometimes mottled, reniform, .2 inch.
Ecology
- Habitat
- Rocky mixed-grass and shortgrass prairies, rock outcrops
- Distribution
- West third of Kansas
Additional Notes
Comments
Pediomelum, plain and apple, alluding to the tuberous rootstock of some species and linearifolium, linear and leaf.
Synonyms
Alternative scientific names that have been used for this plant.
Scientific Name: Psoralea linearifolia
Full Citation: Psoralea linearifolia Torr.
Quick Facts
- Plant Type
- Wildflower
- Family
- Fabaceae - Bean Family
- Life Span
- Perennial
- Height
- 1-4 feet
- Origin
- Native
- Last Updated
- 2016-06-21
Color Groups
Flowering Period
Blooms: June, July, August