WESTERN STICKSEED
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Lappula redowskii   (Hornem. ) Greene
[=Lappula texana  (Scheele ) Britton]
Barber County, Kansas
Annual
Height: 4-18 inches
Family: Boraginaceae - Borage Family
Flowering Period:   May, June, July
Stems: 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.
Inflorescences: Scorpioid racemes, terminal.
Flowers: 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.
Fruits: 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.
Habitat: Open, dry, sandy to silty mixed-grass, shortgrass, sand, and sandsage prairies
Distribution: Principally west 4/5 of Kansas
Origin: Native
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.

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