Habit: Annual, glabrous.
Stem: erect, generally branched.
Leaf: cauline, opposite (sometimes also basal).
Inflorescence: cyme.
Flower: parts in 4s or generally 5s; calyx lobes >> tube (discounting thin membrane between lobes in
Zeltnera davyi), appressed to corolla tube, generally not keeled; corolla salverform, white or generally pink, lobes <= tube, +- entire, scales 0, nectaries pits 0 (nectaries elsewhere 0); stamens often initially curved to 1 side, dehisced anthers spirally twisted; ovary sessile, style generally thread-like, deciduous, entire or cleft < 1 mm, stigmas 1, 2-lobed, or 2, stigmas or lobes wedge- to fan-shaped.
Species In Genus: +- 25 species: temperate, dry-mesic tropics, North America, South America.
Etymology: (L. Zeltner, N. Zeltner, Swiss botanists, b. 1938, 1934)
Note: Variable, difficult; further study needed, especially of chromosome numbers, hybridization.
Zeltnera calycosa (Buckley) G. Mans. [
Centaurium calycosum (Buckley) Fernald] not in California.
Jepson eFlora Author: James S. Pringle
Reference: Mansion 2004 Taxon 53:719--740
Unabridged Reference: Mansion & Zeltner 2004 Amer J Bot 91:2069--2086Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)Key to Zeltnera
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