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| Jepson eFlora: Taxon page
Key to families | Table of families and genera |
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Indexes to all accepted names and synonyms: | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | |
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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]
Annual, glabrous.
Leaf: basal, cauline, opposite.
Inflorescence: terminal, sometimes also subterminal cymes; pedicels generally < subtending internode.
Flower: parts generally in 5s; calyx tube < lobes; corolla < 2 cm, narrow- funnel-shaped, lobes spreading, < tube, entire, with fringes on adaxial surface near base, nectary pits 0 (nectaries on lower corolla tube); ovary sessile; style ± 0, stigmas 2, persistent.
± 275 species: ± worldwide, especially temperate to alpine, except Africa. (Latin: little Gentiana) [Nesom 1991 Phytologia 70:1–20]
Unabridged references: [Gillett 1957 Ann Missouri Bot Gard 44:195–269; Nesom 1991 Phytologia 70:1–20.]
Plant 5–80 cm.
Stem: erect, 1, often with long branches near base, simple or with shorter branches above.
Leaf: basal withering early; lower cauline < 45 mm, spoon-shaped to elliptic-oblong, crowded; upper cauline < 60 mm, lance- oblong to ovate, generally << internodes.
Inflorescence: flowers several to many; pedicels generally < 2.5(50) cm.
Flower: calyx 5–10(18) mm, lobes 1–6 × tube, linear to lanceolate; corolla 7–15(21) mm, blue to rose-violet or white, lobes 3–5.5 mm, ovate-triangular, fringes 0–4 mm.
2n=18. Wet meadows, bogs; 1500–3500 m. Klamath Ranges, High Cascade Range, High Sierra Nevada, San Bernardino Mountains, White and Inyo Mountains;
Previous taxon: Gentianella
Next taxon: Gentianopsis
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
Copyright © 2012 Regents of the University of California
We encourage links to these pages, but the content may not be downloaded for reposting, repackaging, redistributing, or sale in any form, without written permission from The Jepson Herbarium.
| Bioregions in which taxon occurs | Red area (if present) is the part of the bioregion lying between the upper and lower elevation limits of the taxon; 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 have georeferencing or identification issues. |
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Chart based on elevation range in Manual 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. | Map made in collaboration with Scott Loarie. Data provided by the participants of the Consortium of California Herbaria.
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