Jepson eFlora: Taxon page
Vascular Plants of California
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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
Jepson eFlora Author: James S. Pringle
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Botanical illustration including Eustoma exaltatum subsp. exaltatum

botanical illustration including Eustoma exaltatum subsp. exaltatum


Citation for this treatment: James S. Pringle 2012, Eustoma exaltatum subsp. exaltatum, in Jepson Flora Project (eds.) Jepson eFlora, /eflora/eflora_display.php?tid=80520, accessed on October 29, 2020.

Citation for the whole project: Jepson Flora Project (eds.) 2020, Jepson eFlora,, accessed on October 29, 2020.

No expert verified images found for Eustoma exaltatum subsp. exaltatum.

Geographic subdivisions for Eustoma exaltatum subsp. exaltatum:
SCo, PR, DSon
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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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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time (fruiting time in some monocot genera).