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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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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.
± 90 genera, 1800 species: worldwide; some cultivated (Eustoma, Exacum, Gentiana). [Struwe & Albert 2002 Gentianaceae. Cambridge Univ Press] Gentianella tenella moved to Comastoma. Key to genera revised by Bruce G. Baldwin. —Scientific Editor: Thomas J. Rosatti.
Unabridged references: [Wood & Weaver 1982 J Arnold Arbor 63:441–487; Struwe & Albert 2002 Gentianaceae: Systematics and Natural History. Cambridge Univ Press]
Key to Gentianaceae
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.Key to Zeltnera
± 25 species: temperate, dry-mesic tropics, North America, South America. (L. Zeltner, N. Zeltner, Swiss botanists, b. 1938, 1934) [Mansion 2004 Taxon 53:719–740] Variable, difficult; further study needed, especially of chromosome numbers, hybridization. Zeltnera calycosa (Buckley) G. Mans. [Centaurium calycosum (Buckley) Fernald] not in California.
Unabridged references: [Mansion & Zeltner 2004 Amer J Bot 91:2069–2086]
Plant (5)15–60 cm. Leaf: cauline, 10–50 mm, linear to thread-like. Inflorescence: open, ± elongate, panicle-like; pedicels generally 0–20 mm. Flower: corolla 13–18 mm, lobes 5–8 mm, lanceolate, tip obtuse to acute; stigma 1, ± 2-lobed.
2n=34. Wet alkaline meadows, generally near springs or lakes or in alkaline marshes; < 700 m. East of Sierra Nevada, Mojave Desert; to Nevada. [Centaurium exaltatum (Griseb.) Piper, misappl.] Jul–Sep [Online Interchange]
Unabridged synonyms: [Centaurium namophilum Reveal, C.R. Broome, & Beatley]
Unabridged note: Plants called Centaurium namophilum var. nevadense C.R. Broome or Zeltnera nevadensis (C.R. Broome) G. Mans. are intermediate between Zeltnera exaltata and Zeltnera namophila and may be derived from hybridization followed by introgression and/or allopolyploidy. Expanded author citation: Zeltnera namophila (Reveal, C.R. Broome, & Beatley) G. Mans.
Previous taxon: Zeltnera muehlenbergii
Next taxon: Zeltnera trichantha
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Dec 11 2013
Citation for this treatment: [Author of taxon treatment] 2012. Zeltnera, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=85880, accessed on Dec 11 2013
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|Bioregions in which Zeltnera namophila occurs||Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.|
Chart based on elevation range in eFlora and elevations and coordinates of CCH records.
Data provided by the participants of the Consortium of California Herbaria.
Note: About half of the CCH records include both elevation and coordinates.
| Data provided by the participants of the Consortium of California Herbaria.
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