Hedyotis longifolia (Gaertn.) Hook.
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Authority
Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.
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Family
Rubiaceae
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Scientific Name
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Description
Species Description - Stems numerous from a fibrous-rooted perennial base, simple or branched above, 1–2.5 dm, glabrous or finely hairy, especially at the nodes; lvs sessile, broadly linear to narrowly oblong, 10–30 × 2–5 mm, narrowed to the base, glabrous or nearly so, 1-nerved; fls short-pediceled, numerous in loose or crowded terminal cymes, heterostylic; sep lance-linear, 1–2 mm, in fr equaling or exceeding the capsule; cor purplish to white, hairy within, funnelform, 5.5–9 mm, the lobes half as long as the tube; stamens, frs and seeds of no. 1 [Hedyotis canadensis (Willd.) Fosberg]; 2n=12, 24. Dry, commonly gravely or sterile soil; Me. to Ont. and Sask., s. to S.C., Miss., and Ark. June–Aug. (Houstonia l.)