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Slim-leaf scurf-pea

Pediomelum linearifolium (Torr. & A. Gray) J.W. Grimes

[=Psoralea linearifolia Torr. ]

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Slim-leaf scurf-pea leaf
Slim-leaf scurf-pea inflorescence
Slim-leaf scurf-pea flowers
Slim-leaf scurf-pea leaf
Slim-leaf scurf-pea

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
Blue, Purple, Lavender & Violet Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: June, July, August