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Vascular Plants of California
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Zeltnera muehlenbergii
MONTEREY CENTAURY


Higher Taxonomy
Family: GentianaceaeView DescriptionDichotomous Key
Common Name: GENTIAN FAMILY
Habit: Annual to perennial herb [to trees]. Stem: decumbent to erect, < 2 m, simple or branched. Leaf: simple, cauline, sometimes also basal, opposite or whorled, entire, sessile or basal +- petioled; stipules 0. Flower: bisexual, radial, parts in 4s or 5s except pistil 1; sepals fused, persistent; petals fused, +- persistent, sinus between lobes often unappendaged; stamens epipetalous, alternate corolla lobes; ovary superior, chamber 1, placentas parietal, often intruding, stigmas 1--2. Fruit: capsule, 2-valved. Seed: many.
Genera In Family: +- 90 genera, 1800 species: worldwide; some cultivated (Eustoma, Exacum, Gentiana). Note: Gentianella tenella moved to Comastoma. Key to genera revised by Bruce G. Baldwin.
eFlora Treatment Author: James S. Pringle, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: ZeltneraView DescriptionDichotomous Key


Common Name: CENTAURY
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.
Reference: Mansion 2004 Taxon 53:719--740
Unabridged Reference: Mansion & Zeltner 2004 Amer J Bot 91:2069--2086
Zeltnera muehlenbergii (Griseb.) G. Mans.
NATIVE
Habit: Plant 3--30 cm. Leaf: cauline, 15--25 mm, lower obovate to oblong, upper lance-elliptic. Inflorescence: open; pedicels 0--10 mm. Flower: corolla 12--19 mm, lobes 2--7 mm, lance-oblong, tip rounded; stigmas 2.
Ecology: Moist coastal bluffs, forest openings; Elevation: < 1600 m. Bioregional Distribution: SNF, CW; Distribution Outside California: to southwestern British Columbia, Idaho. Flowering Time: Jun--Aug
Synonyms: Centaurium curvistamineum (Wittr.) Druce; Centaurium floribundum (Benth.) B.L. Rob.; Centaurium muehlenbergii (Griseb.) Piper
Jepson eFlora Author: James S. Pringle
Reference: Mansion 2004 Taxon 53:719--740
Unabridged Reference: Mansion & Zeltner 2004 Amer J Bot 91:2069--2086
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Botanical illustration including Zeltnera muehlenbergii

botanical illustration including Zeltnera muehlenbergii

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Citation for this treatment: James S. Pringle 2012, Zeltnera muehlenbergii, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=81829, accessed on May 22, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on May 22, 2019.

Zeltnera muehlenbergii
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© 2008 Neal Kramer
Zeltnera muehlenbergii
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© 2015 Neal Kramer
Zeltnera muehlenbergii
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© 2015 Neal Kramer
Zeltnera muehlenbergii
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© 2016 Neal Kramer
Zeltnera muehlenbergii
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© 2013 Neal Kramer
Zeltnera muehlenbergii
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© 2008 Keir Morse

More photos of Zeltnera muehlenbergii in CalPhotos



Geographic subdivisions for Zeltnera muehlenbergii:
SNF, CW
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.