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Asyneuma prenanthoides

Higher Taxonomy
Family: CampanulaceaeView DescriptionDichotomous Key

Habit: Annual to perennial herb [tree]. Leaf: generally cauline, generally simple, generally alternate, petioled or not; stipules 0. Inflorescence: cyme, panicle, raceme, spike, or flowers 1; terminal or in axils of leaf-like or reduced bracts. Flower: bisexual, cleistogamous or open, radial or bilateral, inverted (pedicel twisted 180°) or not; hypanthium generally present, +- fused to ovary; sepals generally 5; corolla radial to 2-lipped, petals generally fused, tube deeply divided on 1 side or not, lobes generally 5; stamens 5, free or +- fused (anthers, filaments fused into tube or filaments fused above middle); ovary inferior or 1/2 inferior (superior in fruit), chambers 1--3, placentas axile or parietal, ovules many, style generally 1, 2--5-branched. Fruit: generally capsule, open on sides or top by pores or short valves. Seed: many.
Genera In Family: +- 90 genera, +- 2500 species: worldwide. Note: Some cultivated for ornamental (Campanula, Jasione, Lobelia). Subfamilies sometimes treated as families. Positions of flower parts given after flowering inversion, if any. Parishella moved to Nemacladus.
eFlora Treatment Author: Nancy R. Morin, except as noted
Scientific Editor: Thomas J. Rosatti.
Genus: AsyneumaView Description 

Common Name: HAREBELL
Habit: Perennial herb, from taproot, hairs 0 or sparse. Stem: reclining or erect, branched, 2--150 cm, 4-angled. Leaf: cauline, also basal or not, generally lanceolate to ovate, thin to leathery, toothed, petiole 0 or short. Inflorescence: flowers generally 2--4+ per node. Flower: not inverted; corolla widely funnel-shaped, pale to deep blue, lobes lance-linear; ovary inferior, hemispheric, ribbed. Fruit: open by 2--3 lateral pores. Seed: 2 mm, oblong.
Species In Genus: +- 27 species: northern hemisphere; many cultivated, some medicinal. Etymology: (Greek: possibly not together, from divided corolla)

Asyneuma prenanthoides (Durand) McVaugh
Habit: Perennial herb, +- sturdy. Leaf: 10--60 mm, serrate; petiole generally < 5 mm. Flower: pedicel 2--6(20) mm; sepals spreading to reflexed; corolla 7--14 mm, funnel-shaped, lobes erect in lower 1/2, reflexed in upper; stamens 6 mm, base ciliate; ovary 2.5--5 mm, hemispheric, style 15--18 mm, curved or not, blue, distal 55% papillate. Fruit: hemispheric; base cordate, strongly ribbed; pores at or below middle. Seed: 2 mm, oblong. Chromosomes: n=16,17.
Ecology: Montane, redwood forests; Elevation: 50--2000 m. Bioregional Distribution: NW, CaRH, nw&n-c SN, s SNH, CCo, w SnFrB, n SCoRO; Distribution Outside California: Oregon. Flowering Time: Jun--Sep Note: Plants with large leaves scattered in NW and especially northern SN.
Synonyms: Campanula prenanthoides Durand
eFlora Treatment Author: Nancy R. Morin
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botanical illustration including Asyneuma prenanthoides


Citation for this treatment: Nancy R. Morin 2016. Asyneuma prenanthoides, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 01, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 01, 2016.

Asyneuma prenanthoides
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© 2009 George W. Hartwell
Asyneuma prenanthoides
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© 2003 George W. Hartwell
Asyneuma prenanthoides
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© 2006 George W. Hartwell
Asyneuma prenanthoides
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© 2004 George W. Hartwell
Asyneuma prenanthoides
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© 2015 Steve Matson
Asyneuma prenanthoides
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© 2013 Barry Rice

More photos of Asyneuma prenanthoides in CalPhotos

Geographic subdivisions for Asyneuma prenanthoides:
NW, CaRH, nw&n-c SN, s SNH, CCo, w SnFrB, n SCoRO;
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).

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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.