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Gentiana sceptrum
KING'S SCEPTER GENTIAN

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: GentianaView DescriptionDichotomous Key

Common Name: GENTIAN
Habit: Annual to perennial herb, generally glabrous. Stem: generally simple below inflorescence. Leaf: cauline, opposite (also basal or not). Inflorescence: compact cyme or flowers 1. Flower: parts generally in 5s (generally in 4s in Gentiana prostrata, 4s or 5s in Gentiana fremontii); calyx tube generally > lobes; corolla tube narrow-bell-shaped, lobes spreading, < tube, base of sinus between lobes truncate or generally with a variously shaped, sometimes fringed appendage, nectary pits 0 (nectaries on ovary stalk); ovary stalked, style +- 0 or short, entire, persistent, stigmas 2.
Species In Genus: +- 400 species: temperate to subarctic, alpine America, Eurasia. Etymology: (Gentius, king of Illyria, who used roots to treat malaria)

Gentiana sceptrum Griseb.
NATIVE
Habit: Perennial herb. Stem: from caudex, decumbent to erect, 1--several, 5--90 cm. Leaf: basal 0; cauline many, 10--55(70) mm, 5--18 mm wide, elliptic to narrow-ovate, lower +- crowded, upper < internodes, tip obtuse to acute. Inflorescence: flowers 1--few. Flower: calyx 15--27 mm, lobes elliptic-ovate, rarely +- leaf-like, not ciliate, acute; corolla 35--50 mm, blue, lobes 5--10 mm, ovate-oblong to +- round, mucronate, sinus +- truncate, appendages +- 0. Seed: winged toward ends. Chromosomes: 2n=26.
Ecology: Bogs, wet meadows; Elevation: < 1200 m. Bioregional Distribution: NCo, NCoRO; Distribution Outside California: to British Columbia. Flowering Time: Jul--Sep
eFlora Treatment Author: James S. Pringle
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Citation for this treatment: James S. Pringle 2016. Gentiana sceptrum, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=26608, accessed on August 30, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on August 30, 2016.


Gentiana sceptrum
click for enlargement
© 2012 Barry Rice

More photos of Gentiana sceptrum in CalPhotos


Geographic subdivisions for Gentiana sceptrum:
NCo, NCoRO;
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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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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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.