Jepson eFlora: Taxon page
Key to families | Table of families and genera
Previous taxon Index to 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 |
Next taxon
Eustoma exaltatum subsp. exaltatum

Higher Taxonomy
Family: GentianaceaeView DescriptionDichotomous Key

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: EustomaView Description 

Habit: Annual, short-lived perennial herb, glabrous, +- glaucous. Stem: erect, branched. Leaf: basal, cauline, opposite. Inflorescence: cyme or flowers 1. Flower: parts in 5s; calyx lobed +- to base, lobes linear, narrow-keeled, acuminate; corolla > 2 cm, wide-bell-shaped, lobes >> tube, nectary pit 0 (nectaries at base of ovary); ovary sessile, style slender, entire, deciduous, stigma 2-lobed.
Species In Genus: 1 sp.: North America, Central America, West Indies. Etymology: (Greek: beautiful mouth, from corolla tube)

Eustoma exaltatum (L.) G. Don subsp. exaltatum
Habit: Plant 1.5--10 dm. Leaf: basal 2--10 cm, spoon-shaped-obovate to elliptic-oblong, obtuse; cauline 1.5--9 cm, elliptic to lanceolate, +- obtuse, upper acute. Inflorescence: pedicels 2--14 cm. Flower: calyx 10--21 mm; corolla 2--4.5 cm, pale to deep violet-blue (rose-violet, white), throat +- white with dark purple blotches, lobes elliptic to obovate, rounded to subacute. Chromosomes: 2n=+-72.
Ecology: Roadsides, alkaline marshes, other open, wet places; Elevation: 100--600 m. Bioregional Distribution: SCo, PR, DSon; Distribution Outside California: to southeastern United States, Central America, West Indies. Flowering Time: +- all year
eFlora Treatment Author: James S. Pringle
Jepson Online Interchange

Previous taxon: Eustoma
Next taxon: Frasera

Name Search
botanical illustration including Eustoma exaltatum subsp. exaltatum


Citation for this treatment: James S. Pringle 2016. Eustoma exaltatum subsp. exaltatum, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 06, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 06, 2016.

Geographic subdivisions for Eustoma exaltatum subsp. exaltatum:
SCo, PR, DSon;
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.
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).

View elevation by latitude chart
Data provided by the participants of the Consortium of California Herbaria.
View all CCH records

CCH collections by month

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