Exact(5)
Inflorescence: raceme- or spike-like cymes, coiled in bud, generally elongate in fruit; bracts 0--many.
Inflorescence: generally elongate, bracts at least below; pedicel to 1.5 mm.
Stem: regularly segmented, segments generally < 50 cm, < 5 cm diam, cylindric, fleshy, glabrous; ribs generally 0; tubercles generally elongate.
Inflorescence: generally branched, generally head-like cymes; peduncles proximally purplish, in fruit erect or recurved; pedicels generally elongate, in fruit spreading or recurved.
During early stages of development, the stigmatic papillae are subglobose but at maturity they are generally elongate (Figure 2B).
Similar(55)
Inflorescence: generally elongated.
Stem: generally not buried, spreading to erect, generally elongated by end of season.
Loach, any of the small, generally elongated freshwater fishes of the family Cobitidae.
Fruit: stalk generally elongating, generally curved, pushing developing fruit from involucre; capsule +- spheric to ovoid or oblong, in ×-section +- round to 3-lobed or -angled.
Leaf: cauline, opposite, generally toothed; stipules 0. Inflorescence: raceme, spike, or head, generally elongated in fruit; bract generally 1 per flower.
Inflorescence: generally cymes, or panicle-, raceme-, head-, or spike-like, generally coiled in flower (often described as scorpioid), generally elongating in fruit, or flowers 1--2 per axil.
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