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Western stickseed

Lappula redowskii (Hornem.) Greene

[=Lappula texana (Scheele) Britton ]

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Western stickseed leaves
Western stickseed
Western stickseed
Western stickseed
Western stickseed
Western stickseed inflorescence
Western stickseed flower
Western stickseed
Western stickseed leaves

Morphology

Stem
Ascending to erect, branched. Plants pubescent to strigose.
Leaves
Alternate, sessile; blade linear to linear-oblanceolate or elliptic, 4/5 to 3 inches long, 1/12 to 1/5 inch wide, margins entire.
Inflorescence
Scorpioid racemes, terminal.
Flower
Sepals connate at base, calyx 1/12 to 1/8 inch, lobes 5, narrowly elliptic to linear; corolla white to light blue, funnelform, 1/8 to 1/7 inch, fornices present, 5-lobed, lobes spreading, apex rounded; stamens 5, included; ovary 4-locular, deeply 4-lobed; style borne on gynobase (enlargement of the receptacle bearing the ovary), arising between lobes of ovary, included, undivided.
Fruit
Schizocarps; nutlets 4, brown, ovoid, 1/10 to 1/8 inch, tuberculate, attached to gynobase along most of their length along adaxial keel, not grooved adaxially, margins with 1 or 2 rows of bristles, which are sometimes basally confluent to form wing-like or cup-like border along margins.

Ecology

Habitat
Open, dry, sandy to silty mixed-grass, shortgrass, sand, and sandsage prairies
Distribution
Principally west 4/5 of Kansas

Additional Notes

Comments

Plants with the marginal bristles of the nutlet faces essentially separate and their bases not forming a definite cup are var. redowskii; those with marginal bristles obviously confluent and forming a definite cup or crown on the nutlet faces are var. cupulata (A. Gray) M.E. Jones. Named for Russian botanist D. Redowsky. Lappula, little bur.

Synonyms

Alternative scientific names that have been used for this plant.

Scientific Name: Lappula texana

Full Citation: Lappula texana Britton

Quick Facts
Plant Type
Wildflower
Family
Boraginaceae - Borage Family
Life Span
Annual
Height
4-18 inches
Origin
Native
Last Updated
2014-05-25
Color Groups
White, Green & Greenish White Wildflowers
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: May, June, July