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Gentiana
Family: Gentianaceae
Gentiana image
Max Licher  
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JANAS 30(2)
PLANTS: Annual, biennial, or perennial herbs. STEMS: l-several, simple or sparsely branched. LEAVES: opposite, sessile, often gradually reduced and scale-like below, rarely forming a basal rosette. FLOWERS: sessile or pedicellate, solitary or in open or congested cymes; calyx of (4-)5(-6) sepals, the lobes minute to well developed, the tube usually with an intracalycine membrane around the upper rim; corolla marcescent, (4-)5(-6)-lobed, funnelform, cylindric, fusiform, or campanulate, the lobes large and prominent to obsolete, the tube with plicate appendages (plicae) between the lobes, these entire or variously toothed or divided; stamens (4-)5(-6); pistil stipitate or sessile with glands at the base. FRUIT: a capsule protruding from or included in the marcescent corolla. SEEDS: numerous, usually with a marginal wing. NOTES: Ca. 200 spp; world-wide, most common in montane areas of the n hemisphere. (For Gentius, King of Illyria). REFERENCES: Mason, Charles T. 1998 Gentianaceae. J. Ariz. - Nev. Acad. Sci. 30(2): 84.
Vascular plants of NE US and adjacent Canada
Fls (4)5-merous; cal-tube campanulate, obconic, or tubular, with a membrane or rim around the inside at the summit, the lobes arising from just beneath the rim, well developed or sometimes ±reduced; cor tubular to funnelform or campanulate, sometimes remaining closed, convolute in bud, the lobes alternating with folds or plaits in the sinuses, these often of different color or texture, sometimes as long as or even longer than the proper lobes; a whorl of nectary-glands present around the base of the ovary, not on the cor; ovary ellipsoid to cylindric, often ±stipitate; style short and stout; stigma 2-lobed; seeds many, small; herbs, usually glabrous or only inconspicuously papillate-puberulent, most spp. perennial, ours all from a cluster of fleshy- fibrous to sometimes tuberous-thickened or merely fibrous roots; lvs sessile or subsessile; fls ±showy, blue or less often white, yellowish, or greenish. 300, ±cosmop., except Afr. (Dasystephana)

Gleason, Henry A. & Cronquist, Arthur J. 1991. Manual of vascular plants of northeastern United States and adjacent Canada. lxxv + 910 pp.

©The New York Botanical Garden. All rights reserved. Used by permission.
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Show all taxa || << 1 - 50 taxa >>
Gentiana acaulis
Image of Gentiana acaulis
Gentiana adsurgens
Image of Gentiana adsurgens
Gentiana affinis
Image of Gentiana affinis
Gentiana alba
Image of Gentiana alba
Gentiana aleutica
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not available
Gentiana algida
Image of Gentiana algida
Gentiana andrewsii
Image of Gentiana andrewsii
Gentiana angustifolia
Image of Gentiana angustifolia
Gentiana aphylla
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not available
Gentiana arctophila
Image of Gentiana arctophila
Gentiana asclepiadea
Image of Gentiana asclepiadea
Gentiana aurea
Image of Gentiana aurea
Gentiana austromontana
Image of Gentiana austromontana
Gentiana autumnalis
Image of Gentiana autumnalis
Gentiana bavarica
Image of Gentiana bavarica
Gentiana bicuspidata
Image of Gentiana bicuspidata
Gentiana billingtonii
Image of Gentiana billingtonii
Gentiana bisetaea
Image of Gentiana bisetaea
Gentiana brachyphylla
Image of Gentiana brachyphylla
Gentiana bracteosa
Image of Gentiana bracteosa
Gentiana caliculata
Image of Gentiana caliculata
Gentiana calycosa
Image of Gentiana calycosa
Gentiana catesbaei
Image of Gentiana catesbaei
Gentiana cephalantha
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not available
Gentiana cherokeensis
Image of Gentiana cherokeensis
Gentiana citrina
Image of Gentiana citrina
Gentiana clausa
Image of Gentiana clausa
Gentiana clusii
Image of Gentiana clusii
Gentiana copelandii
Image of Gentiana copelandii
Gentiana crinita
Image of Gentiana crinita
Gentiana cruciata
Image of Gentiana cruciata
Gentiana dahurica
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not available
Gentiana decora
Image of Gentiana decora
Gentiana decumbens
Image of Gentiana decumbens
Gentiana deloachii
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not available
Gentiana distegia
Image of Gentiana distegia
Gentiana douglasiana
Image of Gentiana douglasiana
Gentiana durangensis
Image of Gentiana durangensis
Gentiana ecaudata
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not available
Gentiana elliottii
Image of Gentiana elliottii
Gentiana elmeriana
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not available
Gentiana eximia
Image of Gentiana eximia
Gentiana farreri
Image of Gentiana farreri
Gentiana flavida
Image of Gentiana flavida
Gentiana fremontii
Image of Gentiana fremontii
Gentiana frigida
Image of Gentiana frigida
Gentiana gaspensis
Image of Gentiana gaspensis
Gentiana gelida
Image of Gentiana gelida
Gentiana glauca
Image of Gentiana glauca
Gentiana helleri
Image of Gentiana helleri
The National Science Foundation
Developments of SEINet, Symbiota, and associated specimen databases have been supported by National Science Foundation Grants (DBI 9983132, BRC 0237418, DBI 0743827, DBI 0847966)